Cleaner jobs in Illinois

Who We Are As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow. Total Rewards Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including robust wellbeing programs disability and life insurance benefits paid time off for vacation, holidays, and sick days and much more. Expected salary range of $106,200 to $118,000 for the role of OPS INSTRUCTOR, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k). Expected salary range of $135,000 to $150,000 for the role of Senior OPS INSTRUCTOR, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k). Primary Purpose of Position Demonstrates mastery of skills and extensive subject matter knowledge in carrying out assignments associated with the analysis, design, development, implementation, evaluation, and proposed modification of plant specific nuclear licensed Operations training programs. Primary Duties and Accountabilities • Drives the clean energy center (CEC) and personnel performance improvement through the use of training. Coordinates, and conducts performance-based operations Reactor Operator (RO)/Non-Licensed Operator (NLO) training programs as required by user community in accordance with Constellation's systematic approach to training model, department procedures, and with proper application of the analysis, design, development, implementation, and evaluation phases., • Assures the training programs are maintained current and incorporate information gained from Institute of Nuclear Power Operations (INPO) Significant Operating Experience Reports and Constellation Nuclear Event Reports (NERs), Nuclear Regulatory Commission (NRC) Bulletins and Information Notices, CEC design change and backfit information, CEC procedure changes and revisions, new regulations, and training effectiveness reports., • Prepares trainee examination and conducts trainee evaluations for classroom, laboratory, OJT, and simulator environments, as appropriate and conducts counseling sessions for trainees, evaluates the results, and recommends/develops individualized training programs., • Support CEC and fleet in the areas of business initiatives, project management, refuel outage support, emergency preparedness duties, and special projects., • Participates in NRC, INPO and management audits, and prepares responses to audit findings., • Maintains knowledge of plant operations, disciplinary skills and techniques, commensurate with the responsibility to develop and conduct effective, high-quality training., • Supervises the collection and maintenance of auditable training records and reports required to document training program activities., • Must achieve Senior Reactor Operator (SRO) certification within 18 months of assuming the position., • Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department. Minimum Qualifications - Senior OPS Instructor • Previous Equipment Operator with 6 years of related (e.g. test reactor, commercial, industrial, or military power plant operator) experience OR, • Associate's degree in technical discipline, education, or training with 4 years of nuclear technical background or 6 years of related (e.g. test reactor, commercial, industrial, or military power plant operator) experience OR, • Current or previous licensed Reactor Operator or SRO certification with 4 years of related (e.g. test reactor, commercial, industrial, or military power plant operator) experience OR, • Bachelor's degree in engineering (chemical, civil/structural, electrical, industrial, mechanical or nuclear) or related science, education or training with 3 years of nuclear technical background or 4 years of related (e.g. test reactor, commercial, industrial, or military power plant operator) experience OR, • Current or previous SRO license, • The requirements as outlined above meet or exceed ANSI/ANS-3.1-2014 (4.4.3) Standard, "Selection, Qualification, and Training of Personnel for Nuclear Power Plants", • High school diploma/GED with 6 years of related (e.g. test reactor, commercial, industrial, or military power plant operator) experience OR, • Associate's degree in a technical discipline, education, or training with 4 years of related (e.g. test reactor, commercial, industrial, or military power plant operator) experience OR, • Bachelor's degree in engineering (chemical, civil/structural, electrical, industrial, mechanical or nuclear) or related science, education or training with 2 years of related (e.g. test reactor, commercial, industrial, or military power plant operator) experience, • The requirements as outlined above meet or exceed ANSI/ANS-3.1-2014 (4.5.4) Standard, "Selection, Qualification, and Training of Personnel for Nuclear Power Plants", • Experience in commercial nuclear training, • Knowledge of and experience with the systematic approach to training (SAT)

HPC Industrial, powered by Clean Harbors, in Robinson, IL is looking for a Class A or B CDL Driver / Equipment Operator to join their safety conscious team! The CDL Operator is responsible for the safe and proper execution of HPC Industrial jobs across all services lines. Supervises and completes single task jobs requiring one crew and completes turnarounds with management oversight at client’s site in accordance with client and business requirements and company policies, practices, and procedures. TWIC card required or must be able to obtain. Must be licensed to drive manual transmission vehicles. Tanker endorsements required. Transitioning Military, this is a great opportunity to leverage your skills and training as you return to civilian life. Why work for HPC-Industrial? Health and Safety is our #1 priority, and we live it 3-6-5! Competitive wages $23.00 hourly Positive and safe work environments RESPONSIBILITIES Key Responsibilities: • Act as safety representative responsible for safety policies and procedures of both the company and the customer, including hands-on information regarding operations, safety, equipment, emergency response and administrative functions;, • Hands-on operation vacuum equipment and hydroblasting equipment;, • Operation of special equipment, such as Ultra High-Pressure pumps;, • Operate equipment by energizing the pumping equipment and/or any specialized hydroblasting and/or chemical cleaning equipment, vacuum trucks and cutting equipment being used on the job;, • May be required to examine surface cleaned to ensure conformance to company and customer specifications;, • Perform routine maintenance on company equipment being used on the job;, • Perform any and all duties associated with liquid vacs, air machines and jet rodders;, • May direct a crew of vacuum technicians;, • May transport equipment and personnel to and from customer locations;, • Completes pre and post trip inspections, driver’s logs and complies with all other vehicle policy and DOT requirements;, • Loading and unloading hoses;, • Unload vacuum truck at the dump site;, • Provide general maintenance in the field; Required Qualifications: • Specific vocational preparation including classroom safety training, on-the-job training and essential experience gained on other jobs;, • Language proficiency: understand English at a level to comprehend safety training and respond to instructions in emergency situations;, • Valid driver’s license, CDL Class A or B and other requirements of company’s driving policy required when driving company vehicle or using personal vehicle on company business;, • Smartphone required for Electronic Logging Device;, • Federal Transportation Workers Identification Credential (TWIC) may be required;, • Must be knowledgeable in the operation of emergency equipment, such as fire extinguishers;, • Experience operating a vacuum truck;, • Working knowledge of operating equipment used in wet and dry vacuums. What does it take to work for HPC-Industrial? • High school diploma/GED or equivalent experience;, • Class A or B CDL License required; no restrictions., • Manual transmission experience required., • HAZMAT and Tanker Endorsements, required., • Federal Transportation Workers Identification Credential (TWIC) required or must be able to obtain. 40-years of sustainability in action. At Clean Harbors, our mission is to create a safer, cleaner environment through the treatment, recycling, and disposal of hazardous materials. Clean Harbors is the leading provider of environmental, energy and industrial services throughout the United States, Canada, Mexico and Puerto Rico. Everywhere industry meets environment, Clean Harbors is on-site, providing premier environmental, energy and industrial services. We are solving tough problems through innovation and proven methodology – come be part of the solution with us. Join our safety focused team today! To learn more about our company, and to apply online for this exciting opportunity, visit us at ___. Clean Harbors is an equal opportunity employer. Clean Harbors is committed to providing access, equal opportunity and reasonable accommodation for individuals with disabilities in employment, its services, programs, and activities. To request reasonable accommodation, contact ___ or 1-844-922-5547. Clean Harbors is a Military & Veteran friendly company. Please be advised that Artificial Intelligence (AI) tools may be used to support certain stages of the recruitment process but are not used as a replacement for human decision making. Clean Harbors is committed to complying with applicable pay transparency laws and ensuring fair and equitable compensation. The posted salary range reflects the minimum and maximum target for this role. Final compensation may vary based on factors such as location, experience, skills, and business needs. In addition to the base salary, some roles may be eligible for bonus or incentive compensation and a comprehensive benefits package. *HPC

WHO WE ARE As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things and help fight climate change. Join us to lead the clean energy future. Total Rewards Constellation offers a wide range of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, we offer a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including a robust wellness program paid time off for vacation, holidays, and sick days and much more. • During initial license training, Total compensation earnings eligibility ranging from $159,000.00 to $182,000.00 per year (depending on experience and past license status) including a 15% annual incentive bonus, an initial sign-on bonus, $10,000 bonus spread through training milestones, a comprehensive benefits package, and a 401k with employer matching on contributions., • After obtaining SRO license, Total compensation earnings eligibility from $191,000.00 per year, including a target 15% annual bonus, License Premium, as well as, extended hours pay at 1.5 times the base salary (expressed on hourly basis) involving mandated operation shift coverage. Relocation Assistance: Relocation assistance may be offered to those who meet the conditions in the Company&rsquos policy. Constellation is seeking Initial License Trainees (ILT) to become a licensed Senior Reactor Operator (SRO) supporting Dresden Nuclear Station in Morris, IL. These Initial License Trainees (ILT) are for the Dresden Nuclear Station in Morris, IL &ndash ILT class beginning June, 2026. The primary purpose of this position is to train and prepare to perform the duties of an Operations Shift Supervisor who holds a Senior Reactor Operator (SRO)License. Upon completion of training the candidate will be fully licensed by the Nuclear Regulatory Commission (NRC) to supervise the licensed activities of licensed reactor operators in the reactor control room. They will also be trained to directly supervise bargaining unit reactor operators and equipment operators generally. Primary Duties and Accountabilities • Attend Initial License Training (ILT) which includes classroom training and examination, along with on-the-job training and evaluation., • Successfully complete all phases of training to obtain an SRO license in order to perform the duties of an Operations Shift Supervisor., • Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department. Minimum Qualifications • High school diploma/GED, • Meet or exceed one of the following:, • 1 year Reactor Operator license at a comparable facility or 1.5-years at a noncomparable facility. Comparable is Pressurized Water Reactor (PWR) to PWR or Boiling Water Reactor (BWR) to BWR and noncomparable is PWR to BWR or BWR to PWR., • 1.5-years or more in a position equivalent to Reactor Operator (or Supervisor) at military reactor (i.e., Power Plant Watch Engineer, Engineering Watch Supervisor, Reactor Operator, Engineering Officer of the Watch, Propulsion Plant Watch Supervisor). Must have 1.5-years after qualification., • Degree from a 4-year program or equivalent in engineering, engineering technology or physical sciences, or professional engineer license, and more than 1.5-years as a qualified non-licensed operator or a supervisor or manager in work control, operations, engineering, outage management, maintenance, radiation protection, chemistry, or accredited training at a comparable (BWR or PWR) facility. Managerial, staff engineer, or supervisor experience at noncomparable plant may be credited on a 1.5:1.0 basis (i.e., over 2.25-years required for noncomparable facility), and 3-years required for a nontraditional degree., • Maintain minimum access requirement or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties

Who We Are As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things and help fight climate change. Join us to lead the clean energy future. Total Rewards Constellation offers a wide range of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, we offer a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including a robust wellness program paid time off for vacation, holidays, and sick days and much more. Expected salary range of $162,000 to $180,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k). Primary Purpose of Position Manage and monitor the work activities of the assigned regional valve services organization to ensure a productive workforce that supports all divisional, departmental, Clean Energy Center (CEC) and corporate goals while in accordance with all company policies and local, state, and federal regulations. Primary Duties and Accountabilities • Provide guidance and oversight to regional Valve Services group during online and outage activities execution functions through routine performance monitoring, audits, self-assessment, and lessons learned for continuous improvement., • Collaborate and interface with CECs to plan, schedule, and execute work activities., • Manage and monitor department resources and budgets to ensure optimum performance and equipment reliability., • Hire, develop, retain and mentoring of talent required to support the organization., • All other job assignments and/or duties pursuant to company policy or as directed by management to include but not limited to: (Emergency Response duties and/or coverage, Department duty coverage and/or call out, and positions outside of department in support of outage activities etc.) Minimum Qualifications • Bachelor's degree with 8 years of related experience OR, • Current or previous Senior Reactor Operator (SRO) license with 8 years of related experience OR, • Associate's degree with 10 years of related experience OR, • High school diploma/GED with 12 years of related experience, • Supervisory and/or managerial experience, • Experience in nuclear power plant operations, • Electrical experience within the realm of Motor Operated Valve planning, • Valve / outage planning experience, • P6 / scheduling experience

Who We Are As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. The Principal Regulatory Engineer position is based out of our Byron Clean Energy facility in Byron, IL. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things and help fight climate change. Join us to lead the clean energy future. Total Rewards Constellation offers a wide range of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, we offer a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including a robust wellness program paid time off for vacation, holidays, and sick days and much more. Expected salary range of $152,100 to $169,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k). Primary Purpose of Position Performs advanced regulatory/technical problem solving and provides analysis/insights in support of nuclear plant operations. Responsible for regulatory/technical decisions. Possesses superior knowledge in functional discipline and its practical application and has excellent knowledge of applicable industry codes and regulations. Understands interrelations and functions of various organizations (e.g., Nuclear Regulatory Commission (NRC), Institute of Nuclear Power Operators (INPO), Nuclear Energy Institute (NEI), etc.) related to nuclear power. Functions with recognized level of expertise in the regulatory area. Primary Duties and Accountabilities • Perform advanced regulatory and technical tasks, and provide insights in support of nuclear plant operations., • Perform independent research, reviews, studies and analyses in support of regulatory/technical projects and programs., • Provide in-depth regulatory/technical expertise to develop, manage and implement regulatory activities related to plant safety, reliability, maintainability, and availability ensuring compliance to customer's needs, regulatory requirements, and corporate policies., • Accountable for the accuracy, completeness, and timeliness of work ensuring proper licensing basis management and assuring that standard design criteria, practices, procedures, regulations and codes are used in preparation of products., • Provide regulatory/technical expertise and consultation through direct involvement to identify and resolve regulatory issues., • Provide initial or complete task management of regulatory issues., • Recommend new concepts and techniques to improve performance, simplify operation, reduce costs, reduce regulatory burden, correct regulatory non-compliances, or comply with changes in codes or regulations., • Support resolution of regulatory issues associated with plant design modifications, testing and problem solving., • Assure all regulatory products prepared or overseen are in accordance with applicable procedures, licensing basis, industry codes, and all regulatory requirements., • All other job assignments and/or duties pursuant to company policy or as directed by management to include but not limited to: (Emergency Response duties and/or coverage, Department duty coverage and/or call out, and positions outside of department in support of outage activities etc.) Minimum Qualifications • Bachelor's degree in Engineering or equivalent technical degree, • Minimum of 10 years of professional experience and exceptional performance (e.g., rated in upper quartile for the last 2 years), • Superior regulatory/technical expertise in a specific area (e.g., licensing actions, reportability, performance improvement, etc.) and recognized regulatory resource (internal/external), • Effective written and oral communication skills, • Approval of VP Licensing & Regulatory Affairs required to obtain this classification (and recommendation of Licensing Previous Senior Reactor Operator (SRO) license/certification Advanced technical degree or related coursework

Who We Are As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow. Total Rewards Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including robust wellbeing programs disability and life insurance benefits paid time off for vacation, holidays, and sick days and much more. Expected salary range of $110,700 to $123,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k). Primary Purpose of Position Plan and prepare work packages for work to be performed by the respective maintenance departments to ensure that the Clean Energy Center (CEC) maintenance is performed in a safe, reliable, and efficient manner, in compliance with the Quality Assurance (QA) manual, company policies, procedures, and applicable codes and standards. Primary Duties and Accountabilities • Plan and prepare work instructions that provide direction to the Maintenance Department for corrective maintenance repairs, performance of preventive maintenance and surveillance's, and the implementation of modifications. Select and approve purchase, or make procurement recommendations for all materials needed for work package execution., • Conduct field walkdowns to identify and analyze corrective and preventive maintenance, modification, and surveillance activities and to provide input for refining and improving work package quality. Interface and collaborate with Work Management, Supply, Operations, and Engineering to identify and resolve work package issues., • Define procedures, drawings, equipment, and materials required to perform planned work packages. Facilitate package preparation by preparing and/or submitting Out of Service (OOS's), Radiation Work Permit (RWP's), plant barrier impairments, welding/grinding permits, fire impairments, Operability impact statements, As Low As Reasonably Achievable (ALARA) task outs, Regulatory/Code documentation, Nuclear Oversight (NOS) hold/witness points, freeze seal and temporary leak repair documentation, and other requests., • Verify work instructions are adequate and comply with all applicable CEC procedures including Nuclear Safeguard Protocol (NSPs), National Strategy for Space Nuclear Power and Propulsion (NSWPs), American Society of Mechanical Engineers (ASME) Code, etc. Approve and review all required work packages to ensure safety, high quality, technical rigor, and 10CFR50.59 screening or evaluation (if required)., • Develop revise, and review maintenance procedures to facilitate and enhance work package development, maintain compliance with codes, standards, and vendor recommendation, and maintenance direction., • Provide project management of other system planners or contractors to develop detailed elements of overall package preparation., • Participate in work control/scheduling meetings, planning feedback/craft interface time, detailed contract requisition reviews, complex troubleshooting, EQR2 reviews, detailed Operating Experience (OPEX) searches, Maintenance risk request reviews, Planner peer reviews, and system interaction reviews to ensure applicable CEC processes and applicable changes are supported., • Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department. Minimum Qualifications • Bachelor's degree with 2 years of related experience OR, • Current or previous Senior Reactor Operator license with 2 years of related experience OR, • Associate's degree with 3 years of related experience OR, • High school diploma/GED with 4 years of related experience, • Maintain minimum access requirement or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties Preferred Qualifications 5 years of experience in nuclear power plant operations. I&C related work experience and/or education.

Project Financial Analyst needed for Constellation Energy at Braidwood Nuclear Station in Braceville, Illinois to add to our incredible corporate team! Who We Are As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things and help fight climate change. Join us to lead the clean energy future. Total Rewards Constellation offers a wide range of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, we offer a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including a robust wellness program paid time off for vacation, holidays, and sick days and much more. Expected salary range of $99,000 to $110,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k). Primary Purpose of Position To support Constellation organizations in the monitoring and controlling of project budget, forecasts and expenditures through the development of project checkbooks and analysis of current and future expenditures. Primary Duties and Accountabilities • Applies financial management tools and skills to prepare project checkbooks with input from the project manager that accurately reflect monthly/yearly budgets, forecast of future spends, and actual monthly expenditures. Processes approved Project Change Requests (PCRs) to update budgets in the project checkbook tool. Checkbooks are updated monthly and used to support monthly project financial debriefs. Routinely reviews and analyzes assigned checkbooks to seek out missing or incomplete project data (authorization history, milestone dates, form 4's, contract and requisition numbers, risk and opportunities sheets, etc)., • Perform Ad-hoc analysis and special projects relevant to financial controls: Focused area assessments (FASAs), benchmarking visits / studies, business plan initiatives, procedure revisions or new procedure creation, and training sessions., • Assists project managers in preparing, updating and analyzing project checkbooks including forecasts, actual costs, and budgets by taking into account previous month expenditures and accruals/CPAs. Identify any challenges to current year or project overall budget. As part of the forecast, develop project risks and opportunities to the project yearly budget., • Perform detailed analysis of real time monthly project expenditures to ensure costs are properly coded and identify project fiscal discrepancies. Assist project manager with resolution of discrepancies through communications with appropriate vendors or departments., • Assists the project manager in the development of PCR and Nuclear Strategic Authorization Committee (NSAC) financial presentations, monthly project reports, and Chief Nuclear Officer (CNO) bi-monthly project reviews. Also provide project managers with financial guidance to keep within Constellation accounting practices., • Post Implementation Appraisals (PIAs) Works with project managers to coordinate the review of project post implementation appraisals or PIAs. Compiles and trends the results of PIAs to further the knowledge and understanding of project successes and failures. Communicates results of PIAs annually to the project management peer group., • All other job assignments and/or duties pursuant to company policy or as directed by management to include but not limited to: (Emergency Response duties and/or coverage) Minimum Qualifications • Bachelor's degree and 5-years of related financial experience OR, • Associate's degree with 7 years of related financial experience OR, • High school diploma/GED with 9 years of related financial experience, • Experience in financial budgeting, cost and/or project estimating experience in related industry., • PMP Certification (within 18 months of starting position), • Master of Business Administration (MBA) and /or Certified Public Accountant (CPA) or Project Management Professional (PMP), • Expertise in PeopleSoft and Hyperion financial systems

Who We Are As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow. Total Rewards Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including robust wellbeing programs disability and life insurance benefits paid time off for vacation, holidays, and sick days and much more. Expected salary range of $140,400 to $156,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k). Primary Purpose of Position Responsible for directing the development of detailed plans/schedules for all corrective and preventative maintenance, surveillance, post maintenance test, and modifications within an assigned work week. Utilizes leadership experience from previous Operations supervisory or other department managerial position to efficiently and effectively carry out duties. During the execution week, responsible for ensuring the On-line Risk profile, Technical Specifications, and Clean Energy Center (CEC) Procedures are adhered to. Directs the implementation of the work week schedule in a safe, effective, and efficient manner during execution week. Crosses all organizational boundaries working with all departments and designated Project Managers to solve conflicts which challenge schedule safety and performance. Responsible for ensuring fleet and CEC goals are met during their respective execution week. Coaches and mentors' other members of Work Management and CEC personnel. This is not an automatic progression position for Work Week Managers. CECs fill the number of Sr. Work Week Manager positions based on business need and requires former supervisory or managerial experience. Primary Duties and Accountabilities • Direct and Coordinate the detailed schedule development for the assigned work week to ensure Technical Specification and Maintenance Rule compliance and maintain online risk are coordinated to minimize safety challenges and effectively and efficiently implement the schedule., • Direct, with minimal oversight, the assigned work week schedule execution ensuring Technical Specifications and Maintenance Rule compliance while maintaining online Risk are coordinated to minimize safety challenges and effectively and efficiently implement the schedule, • Provide direction, with minimal oversight, to all department planners, schedulers, Project Managers, and other support personnel for the development of an effective and accurate schedule execution., • Direct schedule execution to meet the Work Management Process Key Indicators., • Manage priority emergent work for their assigned work week., • Evaluate scheduling execution performance analysis data and develop a weekly performance analysis report to assist in the development of corrective actions at the weekly Performance Accountability Review (PAR) meeting., • Assist in forced outage coordination as required., • Coach, mentor, and develop other members of the work management organization and fulfill requirements covered below in Job Scope section., • Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department. Minimum Qualifications • High school diploma/GED and 8 years of related experience, • Supervisory or managerial experience, • Demonstrated leadership abilities in a previous position of responsibility such as Ops Shift Manager, Ops Shift Supervisor or Maintenance FLS, Engineering, work management exempt supervisory position, • Strong personal computer (PC) scheduling knowledge, with Oracle P6 or similar, • Current or previous Senior Reactor Operator License/Certification, • Engineering or Technical Degree

Who We Are As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow. Total Rewards Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including robust wellbeing programs disability and life insurance benefits paid time off for vacation, holidays, and sick days and much more. Expected salary range of $133,200 to $148,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k). Primary Purpose of Position Directly responsible for the supervision, assignment, and coordination of Maintenance Division activities to ensure a productive workforce that supports all divisional, departmental, Clean Energy Center (CEC), and corporate goals while in accordance with all company policies and local, state, and federal regulations. Interfaces with the department schedulers and planners to plan and execute work. Provides recommendations on training, procedure changes, and other needs to support safe and efficient execution of work activities. Participates as an Emergency Plan team member. Primary Duties and Accountabilities • Effectively supervise craft personnel to ensure that all assigned maintenance activities are performed safely and effectively by qualified workers in accordance with CEC procedures, Nuclear Regulatory Commission (NRC) regulations, and the CEC schedule. Ensures department personnel are properly supervised, trained, and qualified to perform assignments, including emergency plan qualifications., • Administer coaching, mentoring and performance management, including initiation of disciplinary action, for assigned employees., • Effectively communicating significant CEC and personnel issues to Maintenance Manager and all applicable levels of CEC management. Fostering open communications and collaboration between all organizations internal and external to the CEC including Institute of Nuclear Power Operations (INPO) and regulatory agencies., • Ensure effective communication of company programs, announcements, policies, etc. to assigned employees and feedback to the company from assigned employees., • Participate in various aspects of work control coordination, scheduling, and engineering meetings involving online and refuel outage activities, to ensure that assigned work is properly assigned, planned and ready to work., • Understands, supports and administers all Maintenance processes, such as the training program, surveillance program, procedure revisions and Corrective Action Program (CAP) to ensure effective work practices. Identify and support improvement opportunities, when applicable., • Supervise vendor inspections and repair of CEC equipment. Assure effective procurement and use of material, parts, tools, equipment, and Maintenance and Technical (M&TE)., • Participates in all aspects of Maintenance Department management to support safe and efficient operation of the CEC, including the development, implementation, and performance monitoring of all corporate, CEC, and divisional business goals and objectives., • Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department. Minimum Qualifications • High school diploma or GED and 6 years of related experience OR, • Associate's degree in a technical discipline with 4 years of related experience OR, • Bachelor's degree in a technical discipline with 2 years of related experience, • Maintain minimum access requirements or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties Preferred Qualifications • Fluent use of electronic work management system, Microsoft Word, Excel, • 3 years minimum experience in nuclear power plant operations

Sr Project Manager, Dresden Nuclear Power Station, Morris, IL Dresden Nuclear Power Station in Morris, IL is looking for an outstanding and dynamic Sr Project Manager to join our Constellation team! Who We Are As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow. Total Rewards Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including robust wellbeing programs disability and life insurance benefits paid time off for vacation, holidays, and sick days and much more. Expected salary range of $126,900 to $141,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k). Primary Purpose of Position Manage projects, initiation through closeout, as assigned and within the parameters of cost, quality, schedule and objectives. Provide leadership for project team members and the Project Management process. Position generally used for projects requiring integration of multiple functional organizations. Primary Duties and Accountabilities • Provide development, evaluation and recommendation on contracted services and materials., • Manage the detailed scope, quality, performance, schedule and budget of assigned project(s) in accordance with the Constellation Management Model procedures and standard practices. Ensure proper use of project controls and perform required monthly reporting., • Direct the Project Team and integrate all resources., • Ensure stakeholder review and buy-in of intermediate and final project deliverables, • Provide communication to Constellation Nuclear and site management for assigned / proposed projects., • Ensure Contract Administration on contract(s) as required, including proper close-out of projects as well as post-project critique and lessons learned, • All other job assignments and/or duties pursuant to company policy or as directed by management to include but not limited to: (Emergency Response duties and/or coverage) Minimum Qualifications • Bachelor's degree and 5-years of related project management experience OR, • Associate's degree with 7 years of related project management experience OR, • High school diploma/GED with 9 years of related project management experience, • Experience managing projects, • PMP Certification (within 18 months of starting position), • Engineering (physical installation), Maintenance, or Construction experience and Project Management experience highly preferred., • Master's degree in Business, Engineering, Science, or related field, • Supervisory or managerial experience, • Experience in plant operation and/or maintenance, • Knowledge of contract management and / or Asset Suite 9 (AS9) supply system, • Ability to work in ambiguous situations with little direction

Who We Are As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow. Total Rewards Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including robust wellbeing programs disability and life insurance benefits paid time off for vacation, holidays, and sick days and much more. Expected salary range of $152,100 to $169,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k). Primary Purpose of Position Directly manages the Radiation Protection (RP) As Low as Reasonably Achievable (ALARA) Analysts, Radiation Protection outage planner activities in their daily support of plant Operations and maintenance activities. Is responsible for assuring that the Radiation Protection Department maintains a strong ALARA program through proper monitoring, assessments, and evaluation of plant exposure data. Is responsible for the regulatory knowledge and training of the ALARA staff necessary to improve station and departmental performance. Ensure the Radiation Protection technical programs are in compliance with federal, state, and company regulations in the areas of monitoring personal internal and external radiation exposure, radioactive waste packaging and shipment, radioactive source control, respiratory protection and instrumentation. Is the site expert with regards to Health Physics technical evaluations and regulatory issues. Primary Duties and Accountabilities • Owner of the Site's ALARA program. Ensure that the ALARA program meets the standards set forth in the guidance documents and maintains site exposure as low as achievable., • Responsible for the maintenance and coordination of the Radiation Protection programs including: Unconditional Release, Radioactive Source Control, RP Instrumentation, Internal and External Dosimetry Program and records and Radioactive Material Controls., • Participate in Business Planning, Budget and Business Performance review regarding RP and the site. Fulfill managerial responsibilities regarding assigned staff (e.g. Employment, Development, Compensation, Performance Evaluation, etc.). Ensure consistent and effective workforce practices through assigned supervisors/functions., • Assist the Radiation Protection Operations Manager in developing, reviewing and implementing department procedures and policies, and assuring that these documents meet all federal and company regulations., • Attend Peer meeting to assure that industry best practices and standards are being implemented effectively and uniformly across all sites., • Provide critical observations and feedback to site and departmental staffing to foster continuous improvement., • Responsible for the management of the Radioactive Waste Shipping Program, including Dry Active Waste (DAW) control and storage of radwaste., • Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department. Minimum Qualifications • Bachelor's degree in a technical discipline with 8 years power plant or related industrial experience OR, • Current or previous Senior Reactor Operator (SRO) license with 8 years of related experience OR, • Associate's degree with 10 years of related experience OR, • High school diploma/GED with 12 years of related experience, • Must meet additional requirements as outlined in ANSI/ANS-3.1-2014 (4.4.6) Standard, "Selection, Qualification, and Training of Personnel for Nuclear Power Plants" with 3 years related experience, which shall include 2 years nuclear power plant experience and 0.25 years on site experience. During the 2 years of nuclear power plant experience, the individual shall have participated in the radiation protection section activities at a nuclear power plant for 6 months., • Supervisory or managerial experience, • Maintain minimum access requirement or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties Preferred Qualifications • 5 years of experience in applied radiation protection, • 3 years of supervisory experience in two or more functional areas of radiological protection, including as low as reasonably achievable, bioassay or whole body counting, decontamination, dosimetry, radiochemistry, radiological environmental monitoring program or radiological effluent technical specifications, radiation protection instrumentation, radiation protection operations, or radioactive waste, • Strong knowledge of Code of Federal Regulations, Station Technical Specifications, and Final Safety Analysis Report documents, • 3 years of supervisory or managerial experience, • Successful completion of National Registry Radiation Protection Technicians (NRRPT) or Certified Health Physicist (CHP) certification

Who We Are As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow. Total Rewards Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including robust wellbeing programs disability and life insurance benefits paid time off for vacation, holidays, and sick days and much more. Expected salary range of $133,200 to $148,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k). Primary Purpose of Position Directly responsible for the supervision, assignment, and coordination of Maintenance Division activities to ensure a productive workforce that supports all divisional, departmental, Clean Energy Center (CEC), and corporate goals while in accordance with all company policies and local, state, and federal regulations. Interfaces with the department schedulers and planners to plan and execute work. Provides recommendations on training, procedure changes, and other needs to support safe and efficient execution of work activities. Participates as an Emergency Plan team member. Primary Duties and Accountabilities • Effectively supervise craft personnel to ensure that all assigned maintenance activities are performed safely and effectively by qualified workers in accordance with CEC procedures, Nuclear Regulatory Commission (NRC) regulations, and the CEC schedule. Ensures department personnel are properly supervised, trained, and qualified to perform assignments, including emergency plan qualifications., • Administer coaching, mentoring and performance management, including initiation of disciplinary action, for assigned employees., • Effectively communicating significant CEC and personnel issues to Maintenance Manager and all applicable levels of CEC management. Fostering open communications and collaboration between all organizations internal and external to the CEC including Institute of Nuclear Power Operations (INPO) and regulatory agencies., • Ensure effective communication of company programs, announcements, policies, etc. to assigned employees and feedback to the company from assigned employees., • Participate in various aspects of work control coordination, scheduling, and engineering meetings involving online and refuel outage activities, to ensure that assigned work is properly assigned, planned and ready to work., • Understands, supports and administers all Maintenance processes, such as the training program, surveillance program, procedure revisions and Corrective Action Program (CAP) to ensure effective work practices. Identify and support improvement opportunities, when applicable., • Supervise vendor inspections and repair of CEC equipment. Assure effective procurement and use of material, parts, tools, equipment, and Maintenance and Technical (M&TE)., • Participates in all aspects of Maintenance Department management to support safe and efficient operation of the CEC, including the development, implementation, and performance monitoring of all corporate, CEC, and divisional business goals and objectives., • Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department. Minimum Qualifications • High school diploma or GED and 6 years of related experience OR, • Associate's degree in a technical discipline with 4 years of related experience OR, • Bachelor's degree in a technical discipline with 2 years of related experience, • Maintain minimum access requirements or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties Preferred Qualifications • Fluent use of electronic work management system, Microsoft Word, Excel, • 3 years minimum experience in nuclear power plant operations

Who We Are As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes. The Senior Regulatory Engineer position is based out of our Byron Clean Energy facility in Byron, IL. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow. Total Rewards Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including robust wellbeing programs disability and life insurance benefits paid time off for vacation, holidays, and sick days and much more. Expected salary range of $128,700 to $143,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k). Primary Purpose of Position Performs advanced regulatory/technical problem solving in support of nuclear plant operations. Responsible for regulatory/technical decisions. Possesses excellent knowledge in functional discipline and its practical application and has detailed knowledge of applicable industry codes and regulations. Primary Duties and Accountabilities • Provide in-depth regulatory/technical expertise to develop, manage and implement regulatory analyses, activities and programs., • Provide regulatory/technical expertise and consultation through direct involvement to identify and resolve regulatory issues., • Provide complete task management of regulatory issues., • Perform regulatory tasks as assigned by supervision., • Accountable for the accuracy, completeness, and timeliness of work ensuring proper licensing basis management and assuring that standard design criteria, practices, procedures, regulations and codes are used in preparation of products., • Perform independent research, reviews, studies and analyses in support of regulatory/technical projects and programs., • Recommend new concepts and techniques to improve performance, simplify operation, reduce costs, reduce regulatory burden, correct regulatory non-compliances, or comply with changes in codes or regulations., • All other job assignments and/or duties pursuant to company policy or as directed by management to include but not limited to: (Emergency Response duties and/or coverage, Department duty coverage and/or call out, and positions Minimum Qualifications • Bachelor's degree in Engineering or equivalent technical degree, • Minimum 6 years of professional experience, • Effective written and oral communication skills, • Maintain minimum access requirement or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties Preferred Qualifications • Previous Senior Reactor Operator (SRO) license/certification, • Advanced technical degree or related coursework

Supervisor Radiation Protection at LaSalle Nuclear Power Station in Marseilles, IL Who We Are As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things and help fight climate change. Join us to lead the clean energy future. Total Rewards Constellation offers a wide range of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, we offer a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including a robust wellness program paid time off for vacation, holidays, and sick days and much more. Expected salary range of $127,800 to $142,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k). Primary Purpose of Position Responsible for directing the Radiation Protection Technicians in implementing decontamination, instrumentation, planning and scheduling, procedures, training, radiation exposure control, and rad waste programs in support of Operation and Maintenance activities in the plant. Ensures compliance with applicable regulatory and state requirements. Interfaces with Plant Staff and the regulators on matters related to implementation of the Radiation Protection program. Primary Duties and Accountabilities • Responsible for the daily supervision, monitoring, and coaching of employees to ensure productive workforce in compliance with company policies, procedures, and maintaining employee relations in accordance with the collective bargaining agreement or other employee policies., • Responsible for the day-to-day management of the functional Radiation Protection (RP) program to ensure that work is getting completed in a timely manner and that the nuclear workers' exposure is being maintained As Low as Reasonably Achievable (ALARA)., • Ensure effective communication of company programs, announcements, policies, etc. to assigned employees and feedback to the company from assigned employees., • Directly supervise the Laborers/Radiation Protection Technicians (RPTs) who perform routine plant cleaning and equipment and tool decontamination. This includes management of hiring, training, and overseeing work in the field., • Accountable for managing the performance of the station in the areas of plant contaminated square footage and personnel contamination events., • Develop and deliver oral and written communications effective for all audiences. Minimum Qualifications • Bachelor's degree with 5 years of applied radiation protection experience OR, • Current or previous Senior Reactor Operator license with 5 years of applied Radiation Protection experience OR, • Associate's degree with 7 years of applied radiation protection experience OR, • High school diploma/GED with 9 years of applied Radiation Protection experience, • Successful completion of the National Registry Radiation Protection Technicians (NRRPT) certification, • Associate's or Bachelor's degree in a science related field (e.g. health physics, chemistry, physics, medical physics, etc.)

Manager Site Chemistry & Radwaste at Dresden Nuclear Power Station in Morris, IL. Who We Are As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow. Total Rewards Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including robust wellbeing programs disability and life insurance benefits paid time off for vacation, holidays, and sick days and much more. Expected salary range of $147,600 to $164,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k). Primary Purpose of Position Manage all functions related to Chemistry and Radioactive Waste management. Ensure chemistry programs required to protect all critical Clean Energy Center (CEC) assets are effectively implemented. Provide leadership and advocate for chemistry and radioactive waste performance. This includes all performance and regulatory issues related to chemistry and radwaste management. Primary Duties and Accountabilities • Participate as a CEC leader and peer group member to drive department and CEC performance., • Supervise/mentor direct reports and coach chemistry supervisors and department members., • Responsible for driving CEC chemistry performance and equipment reliability., • Monitor performance and maintain aggressive department/CEC improvement plans., • Manage and oversee contracts, including full time contractors, for radioactive waste management, raw water chemical treatment and control, makeup water processing, and other chemistry sampling and analysis responsibilities., • Responsible for the budget, department, and CEC level performance indicators in the functional area., • Responsible for regulatory aspects of chemistry, radwaste, and environmental sampling/analysis programs., • Responsible for development planning & succession planning within department, • Responsible for Business Unit/Management relationship., • Responsible for Chemistry Technician Training Program and Staff Development. Minimum Qualifications • Bachelor's degree in chemistry, related science, or chemical engineering, • 8 years of professional nuclear-related experience, including 4 years in chemistry, 2 years nuclear power plant experience and at least 1 year in a supervisory role, • Must meet additional requirements as outlined in ANSI/ANS-3.1-2014 Standard, "Selection, Qualification, and Training of Personnel for Nuclear Power Plants", • Operations & Chemistry background, • Financial experience, • Environmental experience, • Experience with Collective Bargaining Agreement (CBA)/ labor relations, • Experience with regulators

Who We Are As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things and help fight climate change. Join us to lead the clean energy future. Total Rewards Constellation offers a wide range of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, we offer a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including a robust wellness program paid time off for vacation, holidays, and sick days and much more. Expected salary range of $133,200 to $148,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k). This Supervisor Field Operations role is located at the Quad Cities CEC located in Cordova, IL. Primary Purpose of Position This individual is responsible for directly supervising licensed and non-licensed operators, including bargaining unit licensed and non-licensed operators, in the field. This includes enforcing expectations and standards and providing direction and leadership in the field, directing and assisting operators in the performance of their shift routines, monitoring and coaching operators on their performance, conducting plant walkdowns to identify deficiencies, and review operator rounds Primary Duties and Accountabilities • Be accountable for the development, performance and actions of direct reports including training, rewards and discipline, and radiation dose., • Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department., • Directly supervise licensed and non-licensed operators in the field., • Provide direction and leadership to licensed and non-licensed operators in the field by assigning work, enforcing expectations, and maintaining standards., • Direct and assist operators in performing shift routines and regularly monitor and coach their performance., • Review non-licensed operator rounds each shift., • Conduct plant walk-downs to identify deficiencies and initiate corrective action in the areas of ALARA, radiation protection, safety, material condition, and procedural adherence., • Oversee activities of the extra operator workforce on-shift by assigning appropriate tasks and activities during periods when coverage is not required. Minimum Qualifications • Bachelor's degree with 4 years of related experience OR, • Associate's degree and 6 years of related experience OR, • High school diploma/GED and 8 years of related experience, • 6 years of training and experience applicable to power generation operations through participation in the Nuclear Navy program, • Maintain minimum access requirement or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties Preferred Qualifications • Previous nuclear power plant experience, • Supervisory or managerial related experience

Work Week Manager/Sr Work Week Manager at Braidwood Nuclear Station in Braceville, IL Braidwood Nuclear Power Station is looking for an outstanding and dynamic Work Week Manager/Sr Work Week Manager to join our Constellation team! This is a Multi-Level Role and can be filled at the Work Week Manager Level or Sr Work Week Manager Level. Please see minimum qualifications list below for each level. Who We Are As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow. Total Rewards Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including robust wellbeing programs disability and life insurance benefits paid time off for vacation, holidays, and sick days and much more. Work Week Manager Job Code XFAN Expected salary range of $126,900 to $141,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k). Sr Work Week Manager Job Code XFAM Expected salary range of $138,600 to $154,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k). Primary Purpose of Position Responsible for directing the development of detailed plans/schedules for all corrective and preventative maintenance, surveillance, post maintenance test, and modifications within an assigned work week. During the execution week, responsible for ensuring the On-line Risk profile, Technical Specifications, and Clean Energy Center (CEC) Procedures are adhered to. Directs the implementation of the work week schedule in a safe, effective, and efficient manner schedule during execution week. Crosses all organizational boundaries working with all departments and designated Project Managers to solve conflicts which challenge schedule safety and performance. Responsible for ensuring fleet and CEC goals are met during their respective execution week. Primary Duties and Accountabilities • Direct and Coordinate the detailed schedule development for the assigned work week to ensure Technical Specification and Maintenance Rule compliance and maintain online risk are coordinated to minimize safety challenges and effectively and efficiently implement the schedule goals., • Direct the assigned work week schedule execution ensuring Technical Specifications and Maintenance Rule compliance while maintaining online Risk are coordinated to minimize safety challenges and effectively and efficiently implement the schedule., • Provide direction to all department planners, schedulers, and Project Managers, and other support personnel for the development of an effective and accurate schedule., • Direct schedule execution to meet the Work Management Process Key Indicators., • Manage priority emergent work for their assigned work week., • Evaluate scheduling execution performance analysis data and develop a weekly performance analysis report to assist in the development of corrective actions at the weekly Performance Analysis Review (P.A.R) meeting., • Assist in forced outage coordination as required., • Coach, mentor, and develop other members of the work management organization. Minimum Qualifications • High school diploma or GED and 6 years of related experience OR Minimum Qualifications • High school diploma/GED and 8 years of related experience, • Supervisory or managerial experience, • Demonstrated leadership abilities in a previous position of responsibility such as Ops Shift Manager, Ops Shift Supervisor or Maintenance FLS/, Engineering, work management exempt supervisory position, • Previous Nuclear Power Plant Experience highly preferred., • Strong personal computer (PC) scheduling knowledge, • Current or previous Senior Reactor Operator License/Certification, • Engineering or Technical Degree, • Previous Nuclear Power Plant Experience highly preferred., • Strong personal computer (PC) scheduling knowledge, • Current or previous Senior Reactor Operator License/Certification, • Engineering or Technical Degree, • Supervisory or managerial experience

Who We Are As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow. Total Rewards Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including robust wellbeing programs disability and life insurance benefits paid time off for vacation, holidays, and sick days and much more. Expected salary range: Entry-Level - $87,000 Mid-Level - $92,700 - $114,000 Sr Level - $122,400- $154,000 Ranges are per year based on experience, along with a comprehensive benefits package that includes bonus and 401K. Primary Purpose of Position Responsible for performing engineering and technical tasks, under general supervision, in support of nuclear plant operations. Primary Duties and Accountabilities • Perform engineering and technical tasks as assigned by supervision applying general engineering principles, • Assure all engineering products prepared are in accordance with applicable safety analyses, industry codes, engineering specifications and all regulatory requirements., • Participate in the development and implementation of effective processes and techniques at appropriate levels of detail and in compliance with established policies and procedures., • Recommend format and methodology improvements to standard processes and procedures., • Bachelor&rsquos degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear), • Bachelor&rsquos degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) with 2 years of nuclear or related engineering experience, • Bachelor&rsquos degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) with 5 years of nuclear experience or related engineering experience, • Engineer in training certification, • Transmission or generation protection experience

Who We Are As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow. Total Rewards Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including robust wellbeing programs disability and life insurance benefits paid time off for vacation, holidays, and sick days and much more. Expected salary range of $183,600 to $204,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k). Primary Purpose of Position Provide overall management of the engineering function of accountability. As responsibility increases within the organization, hours of work may increase proportionally. Primary Duties and Accountabilities • Provide management, governance and oversight of the engineering function of accountability with respect to the needs and regulatory requirements of the nuclear fleet., • Manage the performance and development of assigned engineering personnel relative corporate objectives and provide focus on the attainment of high-quality engineering results, • Participate as key manager in Business Planning, Budget, and Business Performance review regarding site and Constellation Nuclear. Fulfill managerial responsibilities regarding assigned staff (e.g., Employment, Development, Compensation, Performance Evaluation, etc.). Ensure consistent and effective work force practices through assigned supervisors/functions., • Directly and through subordinates, fulfill engineering and technical leadership accountability regarding short-term and long-term programs that impact fleet operations., • Participate as senior resource to Nuclear-wide programs and initiatives regarding standardized and enhanced engineering systems and processes., • Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department. Minimum Qualifications • Bachelor's degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) or related science OR Active/Inactive Senior Reactor Operator (SRO) license, • 10 years of overall related experience, • Maintain minimum access requirement or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties, • Supervisory or managerial experience Preferred Qualifications • Professional Engineer (PE) Registration, • Bachelor of Science in Electrical Engineering (BSEE)., • Prior experience in a Nuclear Power or Mission Critical (Data Center) environment, • Large-Scale Power Integration. 10+ years of high-voltage experience, preferred leading behind-the-meter (BTM) or colocation projects that interface directly with generating assets., • Technical Stability & Reliability. Proven expertise overseeing power flow and transient stability studies to ensure nuclear units remain protected and stable during sudden shifts in massive third-party loads., • Strategic Regulatory Leadership. A track record of navigating Nuclear (10 CFR 50.59) and Grid (NERC/FERC) compliance while managing technical and contractual requirements for hyperscale customers., • System Modeling: Experience overseeing studies in ETAP or equivalent nuclear-grade V&V software., • Protection & Control: Strong familiarity with SEL (Schweitzer Engineering Laboratories) relay logic and RTAC (Remote Terminal Unit Automation Controller) automation controllers., • Event Analysis: Experience using tools like SEL Synchrowave for diagnosing relay behavior and analyzing fault data for settings preparation, the software tools like SEL Accelerator QuickSet

Who We Are As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow. Total Rewards Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including robust wellbeing programs disability and life insurance benefits paid time off for vacation, holidays, and sick days and much more. • Mid-Level - $92,700-114,000, • Provide in-depth technical expertise to develop, manage and implement engineering analysis, activities and programs., • Provide technical expertise and consultation through direct involvement and as a subject matter expert when consulted to identify and resolve equipment and system problems, • Directly fulfill engineering and technical leadership accountability regarding short-term and long-term programs that impact site operations, • Perform engineering tasks as assigned by supervision applying engineering principles., • Accountable for the accuracy, completeness, and timeliness of work ensuring proper configuration management and assuring that standard design criteria, practices, procedures and codes are used in preparation of plans and specifications., • Perform independent research, reviews, studies and analyses in support of technical projects and programs., • Recommends equipment, new concepts and techniques to improve performance, simplify construction, reduce costs, correct design or material flaws, or comply with changes in codes or regulations., • Bachelor's degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) with 5 years of nuclear experience or related engineering experience, • Must meet additional requirements as outlined in ANSI/ANS-3.1-2014 Standard, "Selection, Qualification, and Training of Personnel for Nuclear Power Plants", • Professional Engineer Registration, • Advanced technical degree or related coursework

Who We Are As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow. Total Rewards Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including robust wellbeing programs disability and life insurance benefits paid time off for vacation, holidays, and sick days and much more. • Mid-Level - $92,700-114,00, • Provide in-depth technical expertise to develop, manage and implement engineering analysis, activities and programs., • Provide technical expertise and consultation through direct involvement and as a subject matter expert when consulted to identify and resolve equipment and system problems, • Directly fulfill engineering and technical leadership accountability regarding short-term and long-term programs that impact site operations, • Perform engineering tasks as assigned by supervision applying engineering principles., • Accountable for the accuracy, completeness, and timeliness of work ensuring proper configuration management and assuring that standard design criteria, practices, procedures and codes are used in preparation of plans and specifications., • Perform independent research, reviews, studies and analyses in support of technical projects and programs., • Recommends equipment, new concepts and techniques to improve performance, simplify construction, reduce costs, correct design or material flaws, or comply with changes in codes or regulations., • Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department. MINIMUM QUALIFICATIONS for Mid-level E02 Engineer • Bachelor&rsquos degree in Engineering (chemical, civil/structural, electrical, industrial, mechanical or nuclear) with 2 years of nuclear or related engineering experience, • Maintain minimum access requirements or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties MINIMUM QUALIFICATIONS for Senior E03 Engineer • Bachelor&rsquos degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) with 5 years of nuclear experience or related engineering experience, • Must meet additional requirements as outlined in ANSI/ANS-3.1-2014 Standard, "Selection, Qualification, and Training of Personnel for Nuclear Power Plants", • Engineer in training certification, • Good grasp of techniques and a good understanding of the fundamental functions performed by the group

Who We Are As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow. Total Rewards Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including robust wellbeing programs disability and life insurance benefits paid time off for vacation, holidays, and sick days and much more. • Mid-Level - $92,700-114,000, • Sr Level - $122,400-154,000 **Ranges are per year based on experience, along with a comprehensive benefits package that includes bonus and 401K Primary Purpose of PositionPerforms advanced technical/engineering problem solving in support of nuclear plant operations while acting as a resource and technical expert to engineers. Responsible for technical decisions. Possesses excellent knowledge in functional discipline and its practical application and has detailed knowledge of applicable industry codes and regulations. Primary Duties and Accountabilities • Provide in-depth technical expertise to develop, manage and implement engineering analysis, activities and programs., • Provide technical expertise and consultation through direct involvement and as a subject matter expert when consulted to identify and resolve equipment and system problems, • Directly fulfill engineering and technical leadership accountability regarding short-term and long-term programs that impact site operations, • Perform engineering tasks as assigned by supervision applying engineering principles., • Accountable for the accuracy, completeness, and timeliness of work ensuring proper configuration management and assuring that standard design criteria, practices, procedures and codes are used in preparation of plans and specifications., • Perform independent research, reviews, studies and analyses in support of technical projects and programs., • Recommends equipment, new concepts and techniques to improve performance, simplify construction, reduce costs, correct design or material flaws, or comply with changes in codes or regulations., • Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department. Minimum Qualifications for Mid-level E02 Engineer • Bachelor&rsquos degree in Engineering (chemical, civil/structural, electrical, industrial, mechanical or nuclear) with 2 years of nuclear or related engineering experience, • Maintain minimum access requirements or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties MINIMUM QUALIFICATIONS for Senior E03 Engineer • Bachelor&rsquos degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) with 5 years of nuclear experience or related engineering experience, • Must meet additional requirements as outlined in ANSI/ANS-3.1-2014 Standard, "Selection, Qualification, and Training of Personnel for Nuclear Power Plants", • Professional Engineer Registration, • Advanced technical degree or related coursework

Who We Are As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow. Total Rewards Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including robust wellbeing programs disability and life insurance benefits paid time off for vacation, holidays, and sick days and much more. Expected salary range of $162,000 to $180,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k). Over the past decade, Constellation has invested more than $7.1 billion in capital across its nuclear fleet to support continued safe, reliable operations and long-term license extensions. We are planning multi-billion dollar investments through 2030 to include possible extended uprates and overall modernization of our nuclear facilities where appropriate. We are seeking Engineers and other skilled technical experts to help Constellation, the largest private sector power producer in the world, continue to design, build and operate its nuclear fleet at world-class standards. Primary Purpose of Position Performs advanced technical/engineering problem solving in support of nuclear plant operations while acting as a resource and technical expert to engineers. Responsible for technical decisions. Possesses excellent knowledge in functional discipline and its practical application and has detailed knowledge of applicable industry codes and regulations. Primary Duties and Accountabilities • Provide in-depth technical expertise to develop, manage and implement engineering analysis, activities and programs., • Provide technical expertise and consultation through direct involvement and as a subject matter expert when consulted to identify and resolve equipment and system problems, • Directly fulfill engineering and technical leadership accountability regarding short-term and long-term programs that impact site operations, • Perform engineering and technical tasks as assigned by supervision applying general engineering principles, • Accountable for the accuracy, completeness, and timeliness of work ensuring proper configuration management and assuring that standard design criteria, practices, procedures and codes are used in preparation of plans and specifications., • Perform independent research, reviews, studies and analyses in support of technical projects and programs., • Recommend equipment, new concepts and techniques to improve performance, simplify construction, reduce costs, correct design or material flaws, or comply with changes in codes or regulations., • All other job assignments and/or duties pursuant to company policy or as directed by management to include but not limited to: (Emergency Response duties and/or coverage, Department duty coverage and/or call out, and positions outside of department in support of outage activities etc.) Minimum Qualifications • Bachelor's degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical, or nuclear) OR related science OR License Professional Engineer OR Active/Inactive SRO License with 5 years of engineering or related experience, which shall include 1 year of nuclear power plant experience, • Supervisory or managerial experience, • Professional Engineer Registration Advanced technical degree or related coursework

Who We Are As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow. Total Rewards Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including robust wellbeing programs disability and life insurance benefits paid time off for vacation, holidays, and sick days and much more. Expected salary range of $216,900 to $241,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k). Primary Purpose of Position Provide overall proactive management of the site engineering function including System Engineering, Design Engineering, Engineering Programs and Engineering Administration with respect to station needs and regulatory requirements. Primary Duties and Accountabilities • Provide overall management of the site engineering function including System Engineering, Design Engineering, Engineering Programs, and Engineering Administration with respect to station needs and regulatory requirements., • Manage the performance and development of site engineering personnel relative to site and corporate objectives and provide focus on the attainment of high-quality engineering results., • Participates as key manager in Business Planning, Budget, and Business Performance review regarding Site Engineering. Fulfill managerial responsibilities regarding assigned staff (e.g., Employment, Development, Compensation, Performance Evaluation, etc.). Ensures consistent and effective work force practices through assigned supervisors/functions., • Manage the execution of Architect/Engineer (A/E) services for the site as they pertain to the engineering function., • Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department. Minimum Qualifications • Bachelor's degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) or related science OR Active/Inactive Senior Reactor Operator (SRO) license, • 12 years overall experience, which includes 4 years power plant, 4 years nuclear power plant experience and 3 years of supervisory or managerial experience, • Active SRO license, inactive SRO license, SRO certification or plant operational knowledge consistent with the requirements of the engineering manager's job, • Must meet additional requirements as outlined in ANSI/ANS-3.1-2014 Standard, "Selection, Qualification, and Training of Personnel for Nuclear Power Plants", • Maintain minimum access requirement or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties Preferred Qualifications • Professional Engineer Registration, • Team-driven experience in a matrixed environment

Who We Are As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things and help fight climate change. Join us to lead the clean energy future. Total Rewards Constellation offers a wide range of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, we offer a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including a robust wellness program paid time off for vacation, holidays, and sick days and much more. Expected salary range: • Entry-Level - $87,000, • Mid-Level - $92,700 - $114,000, • Sr Level - $122,400- $154,000 Ranges are per year based on experience, along with a comprehensive benefits package that includes bonus and 401K. Over the past decade, Constellation has invested more than $7.1 billion in capital across its nuclear fleet to support continued safe, reliable operations and long-term license extensions. We are planning multi-billion dollar investments through 2030 to include possible extended uprates and overall modernization of our nuclear facilities where appropriate. We are seeking Engineers and other skilled technical experts to help Constellation, the largest private sector power producer in the world, continue to design, build and operate its nuclear fleet at world-class standards. Primary Purpose of Position Performs advanced technical/engineering problem solving in support of nuclear plant operations while acting as a resource and technical expert to engineers. Responsible for technical decisions. Possesses excellent knowledge in functional discipline and its practical application and has detailed knowledge of applicable industry codes and regulations. Primary Duties and Accountabilities • Provide in-depth technical expertise to develop, manage and implement engineering analysis, activities and programs., • Provide technical expertise and consultation through direct involvement and as a subject matter expert when consulted to identify and resolve equipment and system problems, • Directly fulfill engineering and technical leadership accountability regarding short-term and long-term programs that impact site operations, • Perform engineering tasks as assigned by supervision applying engineering principles., • Accountable for the accuracy, completeness, and timeliness of work ensuring proper configuration management and assuring that standard design criteria, practices, procedures and codes are used in preparation of plans and specifications., • Perform independent research, reviews, studies and analyses in support of technical projects and programs., • Recommend equipment, new concepts and techniques to improve performance, simplify construction, reduce costs, correct design or material flaws, or comply with changes in codes or regulations., • Bachelor&rsquos degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear), • Maintain minimum access requirements or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties MINIMUM QUALIFICATIONS for Mid-level E02 Engineer • Bachelor&rsquos degree in engineering (chemical, civil/structural, electrical, industrial, mechanical or nuclear) with 2 years of nuclear or related engineering experience, • Maintain minimum access requirements or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties MINIMUM QUALIFICATIONS for Senior E03 Engineer • Bachelor&rsquos degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) with 5 years of nuclear experience or related engineering experience, • Professional Engineer Registration, • HIGHLY seeking experience with Steam Turbine, Synchronous Generators, Rotating Exciters, Automatic Voltage Regulators design/commissioning etc.

Simulator Software Engineer - Sr Simulator Software Engineer to be filled at Clinton Nuclear Power Station in Clinton, IL. This is a multi-level opening that can be filled at the Simulator Software Engineer level or the Sr Software Engineer level. Please see the minimum qualifications for each level below. Who We Are As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things and help fight climate change. Join us to lead the clean energy future. Total Rewards Constellation offers a wide range of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, we offer a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including a robust wellness program paid time off for vacation, holidays, and sick days and much more. Simulator Software Engineer - Expected salary range of $105,300 to $117,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k). Sr Simulator Software Engineer - Expected salary range of $125,100 to $139,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k). Primary Purpose of Position Responsible for creating and modifying simulation software logic and dynamic models used at a nuclear power plant in the Main Control Room Simulator, including simulator software maintenance, model minor plant modifications, and enhancements with minimal support. Functions independently and advises Constellation's Training Department on simulator technology. Coordinate simulator tasks and collaborate across teams as needed. Works closely with the training department, project managers, and Clean Energy Center (CEC) engineers to ensure compliance with project needs. The role is centered on the development and improvement of new and existing features. Additionally, the role involves reviewing peers' code, advocating for standard development methodologies, and participating in an inclusive, energetic, and highly cross-functional team. Expected to work efficiently, independently, and with minimal supervision. Primary Duties and Accountabilities • CEC Main Control Room Simulator Projects: Participate in the planning, designing, building, or managing of simulator solutions., • Participate in planning activities for assigned CEC., • Create, modify, and document simulation software logic and dynamic models to meet business needs., • Software configuration management., • Participate in finding technology solutions by weighing advantages of technology trends, market availability of products, risks, and benefits of technology to meet business needs., • Participate in identifying risks and issues that affect the projects., • Provide second tier service to another simulator, as required, to backup that CEC Simulator Software Engineer with little or no assistance., • Participates in projects for other CECs in the fleet as required., • Engage with business partners to gather information, analyze requirements and deliver practical, efficient and cost-effective solutions that satisfy business needs. Minimum Qualifications • Bachelor's degree in engineering (chemical, civil/structural, electrical, industrial, mechanical or nuclear) or related science with 2 years of related experience (e.g. programming technologies) OR, • Associate's degree in engineering (chemical, civil/structural, electrical, industrial, mechanical or nuclear) or related science with 4 years of related experience (e.g. programming technologies) Minimum Qualifications • Bachelor's degree in engineering (chemical, civil/structural, electrical, industrial, mechanical or nuclear) or related science with 5 years of related experience (e.g. programming technologies) OR, • Associate's degree in engineering (chemical, civil/structural, electrical, industrial, mechanical or nuclear) or related science with 7 years of related experience (e.g. programming technologies), • Bachelor's degree in mechanical engineering or nuclear engineering with 3+ years of engineering experience, • Proficient in FORTRAN and C programming languages, • Knowledge of graphic design software, • Experience with Visual Studio, • Experience with engineering print reading, • Experience leading small projects or sub-teams, • Experience with GIT configuration management, • Experience with installing, configuring, and maintaining Windows Operating Systems, • Familiarity with network topology, • Familiarity with creating software interface protocols, • Teamwork and self-motivation skills to achieve success in a rapidly evolving environment, • Excellent communication skills (written and verbal) for conveying complex findings to non-technical stakeholders Preferred Qualifications • Bachelor's degree in mechanical engineering or nuclear engineering with 5+ years of engineering experience, • Proficient in FORTRAN and C programming languages, • Knowledge of graphic design software, • Experience with Visual Studio, • Experience with engineering print reading, • Experience leading small projects or sub-teams, • Experience with GIT configuration management, • Experience with installing, configuring, and maintaining Windows Operating Systems, • Familiarity with network topology, • Familiarity with creating software interface protocols, • Teamwork and self-motivation skills to achieve success in a rapidly evolving environment, • Excellent communication skills (written and verbal) for conveying complex findings to non-technical stakeholders, • Understanding of advanced programming concepts, data structures, and algorithms

Who We Are As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things and help fight climate change. Join us to lead the clean energy future. Total Rewards Constellation offers a wide range of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, we offer a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including a robust wellness program paid time off for vacation, holidays, and sick days and much more. Expected salary range of $162,000 to $180,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k). Primary Purpose of Position Provide management of the engineering function of accountability. Primary Duties and Accountabilities • Provide management of the engineering function with respect to station needs and regulatory requirements, • Manage the performance and development of assigned engineering personnel relative to site and corporate objectives and provide focus on the attainment of high-quality engineering results, • Directly and through subordinates, fulfill engineering and technical leadership accountability regarding short-term and long-term programs that impact site operations., • Participate in Business Planning, Budget, and Business Performance review regarding assigned staff., • Participate as senior resource to NGG-wide programs and initiatives regarding standardized and enhanced engineering systems and processes., • Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department. Minimum Qualifications • Bachelor's degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical, or nuclear) OR related science OR License Professional Engineer OR Active/Inactive SRO License with 5 years of engineering or related experience, which shall include 1 year of nuclear power plant experience, • Must meet additional requirements as outlined in ANSI/ANS-3.1-2014 Standard, "Selection, Qualification, and Training of Personnel for Nuclear Power Plants", • Maintain minimum access requirement or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties Preferred Qualifications • Professional Engineer Registration, • Advanced technical degree, Master of Business Administration (MBA), • Supervisory or managerial experience

Who We Are As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things and help fight climate change. Join us to lead the clean energy future. Total Rewards Constellation offers a wide range of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, we offer a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including a robust wellness program paid time off for vacation, holidays, and sick days and much more. Expected salary range of $162,000 to $180,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k). Primary Purpose of Position Provide management of the engineering function of accountability. Primary Duties and Accountabilities • Provide management of the engineering function with respect to station needs and regulatory requirements, • Manage the performance and development of assigned engineering personnel relative to site and corporate objectives and provide focus on the attainment of high-quality engineering results, • Directly and through subordinates, fulfill engineering and technical leadership accountability regarding short-term and long-term programs that impact site operations., • Participate in Business Planning, Budget, and Business Performance review regarding assigned staff., • Participate as senior resource to NGG-wide programs and initiatives regarding standardized and enhanced engineering systems and processes., • Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department. Minimum Qualifications • Bachelor's degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical, or nuclear) OR related science OR License Professional Engineer OR Active/Inactive SRO License with 5 years of engineering or related experience, which shall include 1 year of nuclear power plant experience, • Must meet additional requirements as outlined in ANSI/ANS-3.1-2014 Standard, "Selection, Qualification, and Training of Personnel for Nuclear Power Plants", • Maintain minimum access requirement or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties Preferred Qualifications • Professional Engineer Registration, • Advanced technical degree, Master of Business Administration (MBA), • Supervisory or managerial experience

Who We Are As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things and help fight climate change. Join us to lead the clean energy future. The Design Electrical Engineering position is based out of our Quad Cities Generating Station in Cordova, IL. Total Rewards Constellation offers a wide range of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, we offer a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including a robust wellness program paid time off for vacation, holidays, and sick days and much more. ** Entry Level - $87,000 Mid Level - $92,700-$114,000 Sr Level - $122,400-$154,000 Ranges are per year based on experience, along with a comprehensive benefits package that includes bonus and 401K Primary Purpose of Position Responsible for performing engineering and technical tasks, under general supervision, in support of nuclear plant operations. Primary Duties and Accountabilities • Perform engineering and technical tasks as assigned by supervision applying general engineering principles., • Assure all engineering products prepared are in accordance with applicable safety analyses, industry codes, and all regulatory requirements., • Participate in the development and implementation of effective processes and techniques at appropriate levels of detail and in compliance with established policies and procedures., • Recommend format and methodology improvements to standard processes and procedures., • All other job assignments and/or duties pursuant to company policy or as directed by management to include but not limited to: (Emergency Response duties and/or coverage, Department duty coverage and/or call out, and positions outside of department in support of outage activities etc.) MINIMUM QUALIFICATIONS for Entry Level E01 Engineer &ndash New Graduate • B.S in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear), • Maintain minimum access requirements or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties MINIMUM QUALIFICATIONS for Mid-level E02 Engineer • B.S. in Engineering, a minimum 2 years Nuclear experience or related engineering experience, • Must meet additional requirements as outlined in ANSI/ANS-3.1-2014 Standard, "Selection, Qualification, and Training of Personnel for Nuclear Power Plants", • Maintain minimum access requirements or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties MINIMUM QUALIFICATIONS for Senior E03 Engineer • B.S. in Engineering, a minimum 5 years Nuclear experience or related engineering experience, • Must meet additional requirements as outlined in ANSI/ANS-3.1-2014 Standard, "Selection, Qualification, and Training of Personnel for Nuclear Power Plants", • Bachelor's degree in Electrical Engineering and minor in Chemical or Material Engineering., • 2 years of related Electrical Engineering experience

Who We Are As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. The Mechanical System Engineer position is based out of our LaSalle County Generating Station in Marseilles, IL. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things and help fight climate change. Join us to lead the clean energy future. Total Rewards Constellation offers a wide range of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, we offer a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including a robust wellness program paid time off for vacation, holidays, and sick days and much more. ** Entry Level - $89,000 Mid Level - $92,700-$114,000 Sr Level - $122,400-$154,000 Ranges are per year based on experience, along with a comprehensive benefits package that includes bonus and 401K Primary Purpose of Position Responsible for performing engineering and technical tasks, under direct supervision, in support of nuclear plant operations. Primary Duties and Accountabilities • Assure all engineering products prepared are in accordance with applicable safety analyses, industry codes, and all regulatory requirements., • Perform engineering and technical tasks as assigned by supervision., • Support engineering work functions., • All other job assignments and/or duties pursuant to company policy or as directed by management to include but not limited to: (Emergency Response duties and/or coverage, Department duty coverage and/or call out, and positions outside of department in support of outage activities etc.) MINIMUM QUALIFICATIONS for Entry Level E01 Engineer &ndash New Graduate • B.S in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear), • Maintain minimum access requirements or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties MINIMUM QUALIFICATIONS for Mid-level E02 Engineer • B.S. in Engineering, a minimum 2 years Nuclear experience or related engineering experience, • Must meet additional requirements as outlined in ANSI/ANS-3.1-2014 Standard, "Selection, Qualification, and Training of Personnel for Nuclear Power Plants", • Maintain minimum access requirements or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties MINIMUM QUALIFICATIONS for Senior E03 Engineer • B.S. in Engineering, a minimum 5 years Nuclear experience or related engineering experience, • Must meet additional requirements as outlined in ANSI/ANS-3.1-2014 Standard, "Selection, Qualification, and Training of Personnel for Nuclear Power Plants" Electrical Engineering degree Previous experience in the energy industry Experience or interest in medium and high voltage applications

Who We Are As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things and help fight climate change. Join us to lead the clean energy future. Total Rewards Constellation offers a wide range of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, we offer a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including a robust wellness program paid time off for vacation, holidays, and sick days and much more. Expected salary range: • Mid-Level - $92,700 - $114,000, • Sr Level - $122,400- $154,000 Ranges are per year based on experience, along with a comprehensive benefits package that includes bonus and 401K. Over the past decade, Constellation has invested more than $7.1 billion in capital across its nuclear fleet to support continued safe, reliable operations and long-term license extensions. We are planning multi-billion dollar investments through 2030 to include possible extended uprates and overall modernization of our nuclear facilities where appropriate. We are seeking Engineers and other skilled technical experts to help Constellation, the largest private sector power producer in the world, continue to design, build and operate its nuclear fleet at world-class standards. Primary Purpose of Position Performs advanced technical/engineering problem solving in support of nuclear plant operations. Responsible for technical decisions. Possesses excellent knowledge in functional discipline and its practical application and has detailed knowledge of applicable industry codes and regulations. Primary Duties and Accountabilities • Provide in-depth technical expertise to develop, manage and implement engineering analysis, activities and programs., • Provide technical expertise and consultation through direct involvement to identify and resolve equipment and system problems., • Provide complete task management of engineering issues., • Perform engineering tasks as assigned by supervision applying engineering principles., • Accountable for the accuracy, completeness, and timeliness of work ensuring proper configuration management and assuring that standard design criteria, practices, procedures and codes are used in preparation of plans and specifications., • Perform independent research, reviews, studies and analyses in support of technical projects and programs., • Recommend equipment, new concepts and techniques to improve performance, simplify construction, reduce costs, correct design or material flaws, or comply with changes in codes or regulations., • Bachelor&rsquos degree in engineering (chemical, civil/structural, electrical, industrial, mechanical or nuclear) with 2 years of nuclear or related engineering experience, • Maintain minimum access requirements or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties MINIMUM QUALIFICATIONS for Senior E03 Engineer • Bachelor&rsquos degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) with 5 years of nuclear experience or related engineering experience, • Professional Engineer Registration, • Commercial power plant engineering experience, • Mechanical Design experience HIGHLY Preferred

Who We Are As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things and help fight climate change. Join us to lead the clean energy future. Total Rewards Constellation offers a wide range of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, we offer a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including a robust wellness program paid time off for vacation, holidays, and sick days and much more. Expected salary range: Entry-Level - $87,000 Mid-Level - $92,700 - $114,000 Sr Level - $122,400- $154,000 Ranges are per year based on experience, along with a comprehensive benefits package that includes bonus and 401K. Primary Purpose of Position Performs advanced technical/engineering problem solving in support of nuclear plant operations while acting as a resource and technical expert to engineers. Responsible for technical decisions. Possesses excellent knowledge in functional discipline and its practical application and has detailed knowledge of applicable industry codes and regulations. Primary Duties and Accountabilities • Provide in-depth technical expertise to develop, manage and implement engineering analysis, activities and programs., • Provide technical expertise and consultation through direct involvement and as a subject matter expert when consulted to identify and resolve equipment and system problems, • Directly fulfill engineering and technical leadership accountability regarding short-term and long-term programs that impact site operations, • Perform engineering tasks as assigned by supervision applying engineering principles., • Accountable for the accuracy, completeness, and timeliness of work ensuring proper configuration management and assuring that standard design criteria, practices, procedures and codes are used in preparation of plans and specifications., • Perform independent research, reviews, studies and analyses in support of technical projects and programs., • Recommend equipment, new concepts and techniques to improve performance, simplify construction, reduce costs, correct design or material flaws, or comply with changes in codes or regulations., • Bachelor&rsquos degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear), • Bachelor&rsquos degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) with 2 years of nuclear or related engineering experience, • Bachelor&rsquos degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) with 5 years of nuclear experience or related engineering experience, • Professional Engineer Registration or Structural Engineer License, • Advanced Technical Degree/Course work in Structural Engineering, • Structural support design engineering and analysis (cable supports, cable trays, panels, mounting, load analysis, concrete analysis, steel analysis, foundation design, etc.) experience necessary, • Familiarity with Structural Analysis/Design Software (e.g., STAADPro, SAP2000, SAFE), • Large scale capital improvements and modifications experience

Who We Are As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things and help fight climate change. Join us to lead the clean energy future. Total Rewards Constellation offers a wide range of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, we offer a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including a robust wellness program paid time off for vacation, holidays, and sick days and much more. *This Sales Executive role can be filled at the Sales Executive level or Senior Sales Executive level. Please see minimum qualifications listed below for each level * Sales Executive Level: Expected base salary range of $100,800 to $112,000, varies based on experience, along with commission and a comprehensive benefits package that includes 401(k). Senior Sales Executive Level: Expected base salary range of $127,800 to $142,000, varies based on experience, along with commission and a comprehensive benefits package that includes 401(k). Location Our ideal candidate will live in the greater Chicago, IL, Clevland, OH Metro, Michigan and/or Wisconsin areas. Primary Purpose of Position The candidate will be responsible for closing new Energy Efficiency focused Infrastructure Renewal and Building Upgrade & Improvement projects. This consultative sales role is focused on the proactive identification, development and closing of integrated, construction-project-based solutions designed to address the Efficiency, Resiliency and Sustainability goals of the customer. Primary Duties and Accountabilities • Drive annual sales results for energy efficiency, resiliency, and sustainability-focused facility solutions by securing signed project implementation contracts and meeting annual sales quotas., • Proactively manage a defined sales territory by developing new business, leveraging market contacts, and maintaining a qualified pipeline of opportunities., • Conduct in-person customer meetings to identify needs, challenges, and compelling events that inform tailored project solutions., • Collaborate across internal functional teams to align project deliverables with sales strategy and customer expectations (horizontal management)., • Establish and grow a professional presence within the territory by engaging in trade shows, conferences, associations, and other networking events., • Develop and deliver accurate sales forecasts to sales leadership., • Maintain accurate sales forecasts and reporting ensure timely updates to sales leadership. Minimum Qualifications * MINIMUM QUALIFICATIONS - Sales Executive level • Bachelor's degree and a minimum of 4 years of consultative, solutions-based sales experience in one of the following industries:, • Experience selling in other industries but possesses an established executive level contact base (rolodex) within school districts, higher education, healthcare, and/or federal, state, or local governments (S.L.E.D/ M.U.S.H. markets), • or equivalent combination of education and relevant experience, • Successful track record of effectively developing and managing a defined sales territory, • Possess conceptual selling skills accompanied by a demonstrated financial/business acumen, • Demonstrated success in originating, negotiating and closing sales transactions, • Track record of success meeting and/or exceeding annual sales quotas, • Ability to develop, cultivate, maintain and leverage contact networks and business relationships, • Strong interpersonal and group presentation skills, • Candidate must have the ability to speak, read and write English., • Experience utilizing a CRM platform, • Proficiency with MS Office Suite MINIMUM QUALIFICATIONS - Senior Sales Executive level • Bachelor's degree and a minimum of 8 years of consultative, solutions-based sales experience in one of the following industries:, • Experience selling in other industries but possesses an established executive level contact base (rolodex) within school districts, higher education, healthcare, and/or federal, state, or local governments (S.L.E.D/ M.U.S.H. markets), • or equivalent combination of education and relevant experience, • Successful track record of effectively developing and managing a defined sales territory, • Possess conceptual selling skills accompanied by a strong financial/business acumen, • Demonstrated success in originating, negotiating and closing complex sales transactions, • Track record of success meeting and/or exceeding annual sales quotas, • Ability to develop, cultivate, maintain and leverage contact networks and business relationships, including C-suite level executives, • Superior interpersonal and group presentation skills, • Candidate must have the ability to speak, read and write English., • Experience utilizing a CRM platform, • Proficiency with MS Office Suite Preferred Qualifications • Knowledge of building and mechanical infrastructure, systems, and related technologies, • Sales experience in Energy Savings Performance Contracting (ESPC), facility infrastructure upgrades, energy efficiency, Energy as a Service (EaaS), renewable energy technologies, and sustainability initiatives, • Experience managing complex sales cycles exceeding 12 months, • Completion of a formal sales training program such as Sandler, Miller Heiman, or a comparable methodology, • Knowledge of Microsoft Dynamics 365

Who We Are As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things and help fight climate change. Join us to lead the clean energy future. Total Rewards Constellation offers a wide range of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, we offer a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including a robust wellness program paid time off for vacation, holidays, and sick days and much more. Expected salary range of $162,000 to $180,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k). Primary Purpose of Position Provide overall proactive management of the site regulatory assurance function and regulatory interface with respect to Clean Energy Center needs and regulatory requirements. Primary Duties and Accountabilities • Provide overall management of the site regulatory assurance function and regulatory interface with respect to Clean Energy Center (CEC) needs and regulatory requirements., • Manage the performance and development of site regulatory assurance personnel relative to site and corporate objectives and provide focus on the attainment of high-quality results., • Work closely with other Site Regulatory Assurance Managers and Corporate Licensing Managers to ensure that support required from the assigned functions are provided competently, in accordance with prescribed standards and programs, efficiently, and on a timely and responsive basis., • Fulfill managerial responsibilities regarding assigned staff (e.g., Employment, Development, compensation, Performance Evaluation, etc.), • Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department. Minimum Qualifications • Bachelor's degree in a technical discipline with 8 years of professional experience including related experience OR, • Current or previously licensed Senior Reactor Operator with 8 years of industry or related experience OR, • Associate's degree in a technical field and 10 years of industry or related experience OR, • High school diploma/GED and 12 years of industry or related experience, • Effective written and oral communication skills, • Maintain minimum access requirement or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties Preferred Qualifications • Master's degree in a technical discipline or MBA preferred, • Team-driven experience in a matrixed environment is desired, • Knowledge of reactor systems (design, and function), Technical Specifications, Updated Final Safety Analysis Reports (UFSAR), and applicable portions of the Code of Federal Regulations preferred, • Previous SRO license/certification preferred, • Previous supervisory experience

Who We Are As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow. Total Rewards Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including robust wellbeing programs disability and life insurance benefits paid time off for vacation, holidays, and sick days and much more. Expected salary range of $128,700 to $143,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k). Primary Purpose of Position Performs advanced regulatory/licensing/technical problem solving and provides analysis/insights in support of department, nuclear plant and fleet regulatory activities. Responsible for regulatory/technical decisions. Possesses excellent knowledge in functional discipline and its practical application and has detailed knowledge of applicable industry codes and regulations as well as Constellation licensing and regulatory processes. Primary Duties and Accountabilities • Provide in-depth regulatory/technical expertise to develop, manage and implement regulatory analyses, activities and programs., • Provide regulatory/technical expertise and consultation through direct involvement to identify and resolve regulatory issues., • Provide complete task management of regulatory issues., • Perform regulatory and department related tasks as assigned by supervision, • Accountable for the accuracy, completeness, and timeliness of work ensuring proper licensing basis management and assuring that standard design criteria, practices, procedures, regulations and codes are used in preparation of products., • Perform independent research, reviews, studies and analyses in support of regulatory/technical projects and programs., • Recommend new concepts and techniques to improve performance, simplify operation, reduce costs, reduce regulatory burden, correct regulatory non-compliances, or comply with changes in codes or regulations., • Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department. Minimum Qualifications • Bachelor's degree in Engineering or equivalent technical degree, • Minimum of 6 years of professional experience, • Effective written and oral communication skills, • Maintain minimum access requirement or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties Preferred Qualifications • Previous Senior Reactor Operator (SRO) license/certification degree, • Advanced technical degree or related, • Highly seeking previous Nuclear, NRC, Regulatory or Licensing experience

WHO WE ARE As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow. TOTAL REWARDS Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including robust wellbeing programs disability and life insurance benefits paid time off for vacation, holidays, and sick days and much more. Expected salary range of $146,700 to $163,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k). PRIMARY PURPOSE OF POSITION Proactively identifies, evaluates, and implements opportunities to minimize the Company's federal tax burden. Serves as a specialized technical resource on matters related to federal taxation. Helps to manage cross-functional project teams to implement federal tax strategies, and also assists the Tax Department's involvement in corporate transactional matters and other legal matters. Works closely with the Director and Senior Manager, Federal Tax Planning, in coordinating the Company's tax policy considerations and related efforts, monitoring and evaluating pending federal tax legislation and regulatory and administrative guidance and assists with coordinating with the IRS on audit matters. Reports directly to the Senior Manager, Federal Tax Planning. PRIMARY DUTIES AND ACCOUNTABILITIES • Research, analyze and present recommendations to tax leadership with respect to tax planning initiatives, including the evaluation of M&A and new business opportunities, accounting method changes, private letter ruling requests, and other tax planning strategies., • Monitor legislative changes to U.S. federal tax laws, evaluate impact of changes, and identify opportunities and risks., • Assist with defending the Company&rsquos tax positions at the examination and appeals levels when challenged by taxing authorities, including drafting responses to written and verbal inquiries from the IRS and assisting with negotiation of settlements., • Research the appropriate tax accounting treatment for audit results and prepare supporting memoranda and documentation., • Provide feedback to the tax compliance function regarding audit findings to continuously improve compliance processes., • Work closely with outside advisors on both audits and tax planning initiatives. MINIMUM QUALIFICATIONS • Bachelors Degree and 8 years of professional tax experience - OR- Juris Doctor (JD) from an accredited law school and 6 years professional tax experience, • Good working knowledge of tax laws and regulations., • CPA or MST., • Energy industry experience.

WHO WE ARE As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things and help fight climate change. Join us to lead the clean energy future. TOTAL REWARDS Constellation offers a wide range of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, we offer a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including a robust wellness program paid time off for vacation, holidays, and sick days and much more. Expected salary range of $163,800 to $182,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k). PRIMARY PURPOSE OF POSITION Provide direction, guidance, and oversight to the site Senior Management Team and Nuclear to ensure Business Plan and financial goals are effectively achieved PRIMARY DUTIES AND ACCOUNTABILITIES • Lead the resource management and long range planning processes by providing direction, guidance, and performance data to the Site Vice President and the Senior Management Team to ensure Business Plan and Financial goals are achieved., • Provide direction and guidance to the site management team to develop annual Budgets and a Business Plan that supports Nuclear's Strategic Direction and goals., • Provide weekly and monthly Business Plan Performance Reports and Budget Performance reports to the Site management team and Nuclear to ensure the site meets budget targets and that budgets are prioritized to support achievement of Business plan goals, • Manage the professional Business Operations staff including career development programs for assigned employees. Communicate company programs, announcements, policies, etc., • Provides direction and guidance in the development of performance goals for the site and Nuclear that support Nuclear's Strategic Direction., • Provide oversight and guidance to the project prioritization process via the Project Review Committee, and oversee the preparation of the economic analysis and justification for projects to ensure projects support achievement of Business plan goals. MINIMUM QUALIFICATIONS • 4-year degree in a business related field and minimum of 10 or more years of experience. Demonstrated success in finance or business operations., • Effective financial analysis skills combined with effective written and verbal communication skills., • Exposure to accounting principles, financial metrics, and financial statement relationships., • Working knowledge of Business Operations and the Nuclear Industry., • Thorough computer-base analytical skills (Microsoft Office), • Three or more years of managerial experience, • RHR Selection PREFERRED QUALIFICATIONS MBA/CPA or other certifications (CMA)

Who We Are As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow. Total Rewards Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including robust wellbeing programs disability and life insurance benefits paid time off for vacation, holidays, and sick days and much more. Expected salary range of $152,100 to $169,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k). Primary Purpose of Position Performs advanced regulatory/technical problem solving and provides analysis/insights in support of plant and fleet regulatory activities. Possesses superior knowledge in functional discipline and its practical application and has excellent knowledge of applicable industry codes and regulations. Understands interrelations and functions of various organizations (e.g., Nuclear Regulatory Commission (NRC), Institute of Nuclear Power Operators (INPO), Nuclear Energy Institute (NEI), North American Electric Reliability Corporation (NERC) etc.) related to nuclear power. Functions as a leader with recognized level of expertise in the regulatory area and is a subject matter expert. As a subject matter expert, leads industry trade groups and works with regulatory agencies to influence programs, projects and regulatory decisions. Develops relationships with key stakeholders and is recognized by peers and supervisors as an expert in his/her respective regulatory area. Trains, mentors and coaches' station and corporate regulatory personnel, and develops and provides training as appropriate. Primary Duties and Accountabilities • Perform advanced regulatory and technical tasks and provide insights in support of plant and fleet regulatory activities. Provide initial or complete task management of regulatory issues. Assure all regulatory products prepared or overseen are in accordance with applicable procedures, licensing basis, industry codes, standards, and all regulatory requirements., • Provide regulatory/technical expertise and leadership through direct involvement to resolve regulatory issues in assigned programs and other regulatory areas, as necessary., • Perform independent and in-depth research, reviews, studies and analyses to develop, manage and implement regulatory activities, related to plant safety, reliability, maintainability, and availability ensuring compliance to site's needs, regulatory requirements, and corporate policies., • Provide industry leadership and interface directly with regulatory decision-makers and support staff to influence and drive regulatory decisions and policies consistent with Constellation's goals.., • Train and mentor corporate and station regulatory personnel and other functional areas in subject matter areas of expertise.., • Provide strategic recommendation on technologies and techniques to improve performance, simplify operation, reduce costs, reduce regulatory burden, correct regulatory non-compliances, or comply with changes in codes or regulations., • All other job assignments and/or duties pursuant to company policy or as directed by management to include but not limited to: (Emergency Response duties and/or coverage, Department duty coverage and/or call out, and positions outside of department in support of outage activities etc.). Minimum Qualifications • Bachelor's degree in Engineering or equivalent technical degree, • Minimum of 10 years of professional relevant nuclear power or North America Electric Reliability Corporation (NERC) professional experience and exceptional performance, • Superior regulatory/technical expertise in a specific area (e.g., licensing actions, reportability, performance improvement, etc.) and recognized regulatory resource (internal/external), • Strong written and oral communication skills, • Approval of VP Licensing & Regulatory Affairs required to obtain this classification (and recommendation of Sr. Manager Licensing /Director-Licensing/Regulatory Assurance Manager and Site Vice President, as applicable), • Maintain minimum access requirement or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties Preferred Qualifications • Previous Senior Reactor Operator (SRO) license/certification, • Advanced technical degree or related coursework, • Highly seeking previous Nuclear, NRC, Regulatory or Licensing experience

Clean Harbors Dolton, IL is looking for a Lead Diesel Mechanic to join their safety conscious team! The Lead Diesel Mechanics are responsible for overseeing the day-to-day operations of the shop, which include supervising all maintenance work, assuring company fleet is within DOT compliance, as well as maintaining all service and parts records. Why work for Clean Harbors? • Health and Safety is our #1 priority and we live it 3-6-5!, • Competitive wages; $38-$43 an hour based on experience, • Opportunity for increase after 90 days!!!, • Comprehensive health benefits coverage after 30 days of full-time employment, • Group 401K/RRSP with company matching component, • Opportunities for growth and development for all the stages of your career, • Access to company paid OEM certifications and trainings!, • Generous paid time off!, • Company paid training!, • Tuition reimbursement!, • Company provided uniforms and PPE! RESPONSIBILITIES • Ensuring that Health and Safety is the number one priority by complying with all safe work practices, policies, and processes and acting in a safe manner at all times;, • Performs preventative maintenance, conducts inspections, troubleshoots, diagnoses failures & deficiencies & performs necessary corrections. This includes conducting offsite road repairs/service calls., • Completes daily checklist as required for proper operation of the unit being operated., • Assures unit has daily maintenance duties performed and communicates any problems or issues with the unit immediately upon discovery, • Completes and submits all associated paperwork as required for tracking PM schedules., • Conducts Safety Checks & Annual Vehicle Inspections in accordance with provincial & federal laws., • Assures that Equipment is properly parked in compliance with facility permit and DOT requirements., • Ensures that work meets all applicable Health and Safety Standard Operating Procedures., • Responsible for maintaining a clean work environment., • Performs other assignments as assigned by management., • Understands Clean Compliance Standard. QUALIFICATIONS What does it take to work for Clean Harbors? • 5-7 years of diesel engine experience., • 1+ years DOT inspection experience required., • Valid driver's license and clean driving record., • Ability to work in team environment., • Must be versed in all aspects e.g. electrical, computer, ECMs, fuel, air systems, ABS, hydraulic systems, engines etc., • Demonstrates complete proficiency in diagnostic, repair, and maintenance of the following units: heavy duty forklift, roll off truck, forklifts, pick up trucks, box trucks, tractors, and tankers., • Demonstrates complete proficiency in tooling and equipment diagnostic, repair, and maintenance. Join our safety focused team today! To learn more about our company, and to apply online for this exciting opportunity, visit us at . Clean Harbors is an equal opportunity employer. Clean Harbors is committed to providing access, equal opportunity and reasonable accommodation for individuals with disabilities in employment, its services, programs, and activities. To request reasonable accommodation, contact or 1-844-922-5547. Clean Harbors and its subsidiaries are a Military & Veteran friendly company. Clean Harbors is committed to complying with applicable pay transparency laws and ensuring fair and equitable compensation. The posted salary range reflects the minimum and maximum target for this role. Final compensation may vary based on factors such as location, experience, skills, and business needs. In addition to the base salary, some roles may be eligible for bonus or incentive compensation and a comprehensive benefits package. *CH #LI-DP2 Job Identification: 158322 Category: Fleet & Asset Management Posting Date: 2026-03-17 Job Schedule: Full time Regular or Temporary: Regular Job Function: Diesel, Truck & Heavy Equipment Mechanics Locations: 615 East 138th Street Pay Range: $17.81 - $50.74 Hourly

Clean Harbors Dolton, IL is looking for a Diesel Vehicle Mechanic to join their safety conscious team! This position will be responsible for the repairs and preventative maintenance of all company owned fleet. Why work for Clean Harbors? • Health and Safety is our #1 priority and we live it 3-6-5!, • Competitive wages; $25-$31 an hour based on experience, • Opportunity for increase after 90 days!!!, • Comprehensive health benefits coverage after 30 days of full-time employment, • Group 401K/RRSP with company matching component, • Opportunities for growth and development for all the stages of your career, • Access to company paid OEM certifications and trainings!, • Generous paid time off!, • Company paid training!, • Tuition reimbursement!, • Company provided uniforms and PPE! RESPONSIBILITIES • Ensuring that Health and Safety is the number one priority by complying with all safe work practices, policies, and processes and acting in a safe manner at all times;, • Move company equipment safely on yard as needed;, • Assist drivers with addressing outstanding vehicle issues;, • Perform preventative maintenance tasks and inspections on company vehicles and equipment;, • Perform routine maintenance such as changing oil, checking batteries, and lubricating equipment, vehicles, and machinery;, • Complete daily checklist as required, • Assure that Equipment is properly parked/secured in compliance with facility permit and DOT requirements., • Maintain facility via housekeeping duties, • Performs other duties and tasks as assigned from time to time by management and will be required by the needs of the Clean Harbors business. QUALIFICATIONS What does it take to work for Clean Harbors? • High School diploma or equivalent required, • Ability to work in a team environment, • 1+ years prior experience working on heavy duty-trucks and equipment., • 1+ years DOT inspection experience required., • Must provide own basic tools, • Related mechanical certifications preferred (not required) Join our safety focused team today! To learn more about our company, and to apply online for this exciting opportunity, visit us at . Clean Harbors is an equal opportunity employer. Clean Harbors is committed to providing access, equal opportunity and reasonable accommodation for individuals with disabilities in employment, its services, programs, and activities. To request reasonable accommodation, contact or 1-844-922-5547. Clean Harbors and its subsidiaries are a Military & Veteran friendly company. Clean Harbors is committed to complying with applicable pay transparency laws and ensuring fair and equitable compensation. The posted salary range reflects the minimum and maximum target for this role. Final compensation may vary based on factors such as location, experience, skills, and business needs. In addition to the base salary, some roles may be eligible for bonus or incentive compensation and a comprehensive benefits package. *CH #LI-DP2 Job Identification: 158323 Category: Fleet & Asset Management Posting Date: 2026-03-16 Job Schedule: Full time Regular or Temporary: Regular Job Function: Diesel, Truck & Heavy Equipment Mechanics Locations: 615 East 138th Street Pay Range: $14.84 - $39.46 Hourly

Who We Are: We're powering a cleaner, brighter future. Exelon is leading the energy transformation, and we're calling all problem solvers, innovators, community builders and change makers. Work with us to deliver solutions that make our diverse cities and communities stronger, healthier and more resilient. We're powered by purpose-driven people like you who believe in being inclusive and creative, and value safety, innovation, integrity and community service. We are a Fortune 200 company, 20,000 colleagues strong serving more than 10.7 million customers at six energy companies -- Atlantic City Electric (ACE), Baltimore Gas and Electric (BGE), Commonwealth Edison (ComEd), Delmarva Power & Light (DPL), PECO Energy Company (PECO), and Potomac Electric Power Company (Pepco). We're committed to creating an environment where every person can thrive. Our employee experience is grounded in four tenets that guide how we support our people: purposeful careers, growth opportunities, community impact, and support to thrive. In our relentless pursuit of excellence, we elevate diverse voices, fresh perspectives and bold thinking. And since we know transforming the future of energy is hard work, we provide competitive compensation, incentives, excellent benefits and the opportunity to build a rewarding career. Are you in? Primary Purpose: T&S Engineering Programs works on execution of reliability engineering programs by partnering directly with Engineers to translate approved engineering strategies into actionable scopes and coordinated field execution. Applies advanced technical and engineering principles to resolve execution challenges, coordinate cross‑functional stakeholders, and ensure reliability improvements are delivered safely, efficiently, and in alignment with engineering standards and regulatory requirements. Develops studies, plans, criteria, specifications, calculations, evaluations, design documents, performance assessments, integrated systems analysis, cost estimates, budgets, associated with the planning, design, licensing, construction, commissioning, operation, and maintenance of Exelon's electric generation, transmission, distribution, gas and telecommunication facilities/systems. Provides consultation and recommendations to the Company within and to other business units and/or customers as a result of studying company or customer-owned systems, processes, equipment, vehicles or facilities. Reviews financial data from budget and actual costs of projects. Operates independently and seeks guidance when appropriate. Position may be required to work extended hours for coverage during storms or other energy delivery emergencies. Primary Duties: • Leads execution of reliability engineering programs and workstreams by converting approved engineering recommendations, designs, and priorities into executable scopes, schedules, and technical work plans., • Coordinates cross‑functional execution efforts across Operations, Field, Construction & Maintenance, T&S Engineering teams, and other organizations to address technical constraints, sequencing challenges, constructability issues, and operational impacts., • Develops and maintains technical execution documentation, including scopes of work, engineering summaries, work strategies, field guidance, implementation readiness materials, and post‑execution documentation as required., • Monitors and manages execution progress for assigned reliability initiatives identifies risks, dependencies, and delivery gaps, and provides recommended corrective actions or escalations to Engineers and leadership., • Provides technical support during implementation by resolving execution‑phase technical issues, responding to field questions, and supporting installation, testing, or commissioning activities as needed to confirm alignment with engineering direction., • Evaluates complex technical issues that require highly specialized knowledge in very specific areas and recommends actions or programs for their resolution, which may necessitate the review/evaluation of engineering design documents, • Evaluates, develops, implements, and leads projects that have significant financial and operational impact, may also develop initial commissioning plans. Plans, writes, and performs tasks for documentation deliverables and projects, • Participates in department planning, through field/site walkdowns, attend meetings/conference calls, provide budget recommendations, and monitor performance for the accomplishment of committed results, • May participate in technical and industry societies and committees to enhance knowledge of new technologies or issues in area of company interest Job Scope:, • Influences project decisions having a moderate impact on the company that may include leading employees or contractors in the commissioning of electrical systems and equipment to be placed On System, • Applies technical knowledge to help promote a safe work environment and to enhance customer satisfaction Minimum Qualifications:, • Bachelor of Science degree in Engineering or Licensed Professional Engineer (2) (3) Knowledge of engineering designs, principles and practices, • Ability to analyze and interpret complex electrical and mechanical systems., • Knowledge and ability to apply problem solving approaches and engineering theory., • Detailed knowledge of applicable standards, codes methods, and practices unique to areas of expertise., • 7+ years of professional engineering experience (1) (3) (See Note 3. Thorough knowledge and experience in unique areas of engineering expertise., • Ability to apply advanced engineering principles to identify and resolve complex issues., • Minimum of three related career experiences (4) (i.e., changes in technical job responsibilities, which may or may not include a change in department) OR, • Lead Member of a recognized industry committee OR, • Professional Engineer's License (2), advanced technical degree, MBA or Project Management Certification (1) Master's degree in Engineering reduces the OJT experience requirement by 1 year. (2) License must be issued by the state in which you are practicing. (3) PE License reduces the OJT experience requirement by 1 year. (4) Career related experiences is defined as changes in technical job responsibilities and does not have to include a change in department., • Note: Items (1) and (3) are mutually inclusive, whereby the maximum experience requirement reduction is one (1) year (e.g., in the case of an employee with both a master's degree in Engineering AND a PE license, the minimum experience requirement would be reduced by one (1) year). Preferred Qualifications:, • Graduate degree (1) or Graduate level work in Engineering, Business Administration or Project Management Certification, • Possess Engineer-in-Training (EIT) Certification and/or Professional Engineer license (2) (3), • Strong teamwork, interpersonal skills and the ability to communicate with all management levels., • Strong written and oral communication/presentation skills, report generation & technical writing skills, • Participation in industry committee or working groups or has published technical documents., • Advanced experience in utility infrastructure, such as system analysis, planning, design coordination, standards development, or project execution. Benefits:, • Annual salary will vary based on a candidate’s skills, qualifications, experience, and other factors: $103,200.00/Yr. – $141,900.00/Yr., • Annual Bonus for eligible positions: 15%, • 401(k) match and annual company contribution, • Medical, dental and vision insurance, • Life and disability insurance, • Generous paid time off options, including vacation, sick time, floating and fixed holidays, maternity leave and bonding/primary caregiver leave or parental leave, • Employee Assistance Program and resources for mental and emotional support, • Wellbeing programs such as tuition reimbursement, adoption and surrogacy assistance and fitness reimbursement, • Referral bonus program

Who We Are As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes. The Mechanical Engineer position is based out of our Clinton Clean Energy Center in Clinton, IL. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow. Total Rewards Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including robust wellbeing programs disability and life insurance benefits paid time off for vacation, holidays, and sick days and much more. ** Entry Level - $87,000 Mid Level - $92,700-$114,000 Ranges are per year based on experience, along with a comprehensive benefits package that includes bonus and 401K Primary Purpose of Position Responsible for performing engineering and technical tasks, under general supervision, in support of nuclear plant operations. Primary Duties and Accountabilities • Perform engineering and technical tasks as assigned by supervision applying general engineering principles., • Assure all engineering products prepared are in accordance with applicable safety analyses, industry codes, and all regulatory requirements., • Participate in the development and implementation of effective processes and techniques at appropriate levels of detail and in compliance with established policies and procedures., • Recommend format and methodology improvements to standard processes and procedures., • B.S in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear), • B.S. in Engineering, a minimum 2 years Nuclear experience or related engineering experience, • Must meet additional requirements as outlined in ANSI/ANS-3.1-2014 Standard, "Selection, Qualification, and Training of Personnel for Nuclear Power Plants", • Engineer in training certification, • Good grasp of techniques and a good understanding of the fundamental functions performed by the group, • Root Cause Analysis, • Reliability Center Maintenance knowledge

Who We Are As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow. Total Rewards Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including robust wellbeing programs disability and life insurance benefits paid time off for vacation, holidays, and sick days and much more. Expected salary range: Entry-Level - $87,000 Mid-Level - $92,700 - $114,000 Sr Level - $122,400- $154,000 Ranges are per year based on experience, along with a comprehensive benefits package that includes bonus and 401K. Primary Purpose of Position Responsible for performing engineering and technical tasks, under direct supervision, in support of nuclear plant operations. Primary Duties and Accountabilities • Assure all engineering products prepared are in accordance with applicable safety analyses, industry codes, and all regulatory requirements., • Perform engineering and technical tasks as assigned by supervision, • Support engineering work functions., • Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department. Minimum Qualifications • Bachelor's degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear), • Maintain minimum access requirements or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties Preferred Qualifications Engineer in training certification

Who We Are As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow. Total Rewards Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including robust wellbeing programs disability and life insurance benefits paid time off for vacation, holidays, and sick days and much more. Expected salary range: Entry-Level - $87,000 Mid-Level - $92,700 - $114,000 Sr Level - $122,400- $154,000 Ranges are per year based on experience, along with a comprehensive benefits package that includes bonus and 401K. Primary Purpose of Position Responsible for performing engineering and technical tasks, under general supervision, in support of nuclear plant operations. Primary Duties and Accountabilities • Perform engineering and technical tasks as assigned by supervision applying general engineering principles, • Assure all engineering products prepared are in accordance with applicable safety analyses, industry codes, engineering specifications and all regulatory requirements., • Participate in the development and implementation of effective processes and techniques at appropriate levels of detail and in compliance with established policies and procedures., • Recommend format and methodology improvements to standard processes and procedures., • Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department. Minimum Qualifications • Bachelor's degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) with 2 years of nuclear experience or related engineering experience, • Maintain minimum access requirements or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties Preferred Qualifications • Engineer in training certification, • Good grasp of techniques and a good understanding of the fundamental functions performed by the group

Who We Are As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes. The Electrical / Mechanical Engineer position is based out of our LaSalle County Generating Station in Marseilles, IL. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow. Total Rewards Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including robust wellbeing programs disability and life insurance benefits paid time off for vacation, holidays, and sick days and much more. ** Entry Level - $87,000 Mid Level - $92,700-$114,000 Ranges are per year based on experience, along with a comprehensive benefits package that includes bonus and 401K Primary Purpose of Position Responsible for performing engineering and technical tasks, under general supervision, in support of nuclear plant operations. Primary Duties and Accountabilities • Perform engineering and technical tasks as assigned by supervision applying general engineering principles., • Assure all engineering products prepared are in accordance with applicable safety analyses, industry codes, and all regulatory requirements., • Participate in the development and implementation of effective processes and techniques at appropriate levels of detail and in compliance with established policies and procedures., • Recommend format and methodology improvements to standard processes and procedures., • All other job assignments and/or duties pursuant to company policy or as directed by management to include but not limited to: (Emergency Response duties and/or coverage, Department duty coverage and/or call out, and positions outside of department in support of outage activities etc.) MINIMUM QUALIFICATIONS for Entry Level E01 Engineer &ndash New Graduate • B.S in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear), • Maintain minimum access requirements or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties MINIMUM QUALIFICATIONS for Mid-level E02 Engineer • B.S. in Engineering, a minimum 2 years Nuclear experience or related engineering experience, • Must meet additional requirements as outlined in ANSI/ANS-3.1-2014 Standard, "Selection, Qualification, and Training of Personnel for Nuclear Power Plants", • Maintain minimum access requirements or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties Preferred Qualifications • Engineer in training certification, • Good grasp of techniques and a good understanding of the fundamental functions performed by the group

Who We Are As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things and help fight climate change. Join us to lead the clean energy future. Total Rewards Constellation offers a wide range of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, we offer a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including a robust wellness program paid time off for vacation, holidays, and sick days and much more. Expected salary range of $151,200 to $168,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k). Over the past decade, Constellation has invested more than $7.1 billion in capital across its nuclear fleet to support continued safe, reliable operations and long-term license extensions. We are planning multi-billion dollar investments through 2030 to include possible extended uprates and overall modernization of our nuclear facilities where appropriate. We are seeking Engineers and other skilled technical experts to help Constellation, the largest private sector power producer in the world, continue to design, build and operate its nuclear fleet at world-class standards. Primary Purpose of Position Performs advanced engineering problem solving in support of nuclear plant operations. Responsible for technical decisions. Possesses superior knowledge in functional discipline and its practical application and has excellent knowledge of applicable industry codes and regulations. Functions with recognized industry-level of expertise in a technical area. Primary Duties and Accountabilities • Perform advanced nuclear engineering and technical tasks in support of nuclear plant operations., • Perform independent research, reviews, studies and analyses in support of technical projects., • Provides in-depth technical expertise to develop, manage and implement engineering activities related to plant safety, reliability, maintainability, and availability ensuring compliance to customer's needs, regulatory requirements, and corporate policies., • Accountable for the accuracy, completeness, and timeliness of work ensuring proper configuration management and assuring that standard design criteria, practices and codes are used in preparation of plans and specifications., • Provide technical expertise and consultation through direct involvement to identify and resolve equipment and system problems., • Provides initial or complete task management of engineering issues., • Recommend equipment, new concepts and techniques to improve performance, simplify construction, reduce costs, correct design or material flaws, or comply with changes in codes or regulations., • Supports plant design modifications, testing and problem solving., • Assure all engineering products prepared or overseen are in accordance with applicable safety analyses, industry codes, and all regulatory requirements., • Develop, implement and coordinate functional supervisory activities including, but not limited to, personnel, budgetary accountabilities and planning goals with respect to engineering personnel., • Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department. Minimum Qualifications • Bachelor's degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) with 10 years of engineering experience, • Demonstrated technical leadership experience (e.g. Duty team lead, inspection lead), teamwork and leadership attributes, • Professional Engineer Registration, • Advanced technical degree or coursework, • Engineering experience in commercial power plants, • Seeking Mechanical, Electrical / I & C, and Structural Engineers

Who We Are As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes. The Valve Design Engineer position is based out of our Byron Clean Energy facility in Byron, IL. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow. Total Rewards Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including robust wellbeing programs disability and life insurance benefits paid time off for vacation, holidays, and sick days and much more. ** Mid Level - $92,700-$114,000 Sr Level - $122,400-$154,000 Primary Purpose of Position Performs advanced technical/engineering problem solving in support of nuclear plant operations. Responsible for technical decisions. Possesses excellent knowledge in functional discipline and its practical application and has detailed knowledge of applicable industry codes and regulations. Primary Duties and Accountabilities • Provide in-depth technical expertise to develop, manage and implement engineering analysis, activities and programs., • Provide technical expertise and consultation through direct involvement to identify and resolve equipment and system problems., • Provide complete task management of engineering issues., • Perform engineering tasks as assigned by supervision applying engineering principles., • Accountable for the accuracy, completeness, and timeliness of work ensuring proper configuration management and assuring that standard design criteria, practices, procedures and codes are used in preparation of plans and specifications., • Perform independent research, reviews, studies, and analyses in support of technical projects and programs., • Recommend equipment, new concepts and techniques to improve performance, simplify construction, reduce costs, correct design or material flaws, or comply with changes in codes or regulations., • Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department. MINIMUM QUALIFICATIONS for Mid-level E02 Engineer • B.S. in Engineering, a minimum 2 years Nuclear experience or related engineering experience, • Must meet additional requirements as outlined in ANSI/ANS-3.1-2014 Standard, "Selection, Qualification, and Training of Personnel for Nuclear Power Plants", • Maintain minimum access requirements or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties MINIMUM QUALIFICATIONS for Senior E03 Engineer • B.S. in Engineering, a minimum 5 years Nuclear experience or related engineering experience, • Must meet additional requirements as outlined in ANSI/ANS-3.1-2014 Standard, "Selection, Qualification, and Training of Personnel for Nuclear Power Plants", • Maintain minimum access requirements or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties Preferred Qualifications • Background in valves, AOV/MOVs (air operated valves, motor operated valves), • Professional Engineer Registration, • Advanced technical degree or related coursework

Who We Are As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow. Total Rewards Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including robust wellbeing programs disability and life insurance benefits paid time off for vacation, holidays, and sick days and much more. Expected salary range: • Entry-Level - $87,000, • Mid-Level - $92,700 - $114,000, • Sr Level - $122,400- $154,000 Ranges are per year based on experience, along with a comprehensive benefits package that includes bonus and 401K. Primary Purpose of Position Responsible for performing engineering and technical tasks, under direct supervision, in support of nuclear plant operations. Primary Duties and Accountabilities • Provide in-depth technical expertise to develop, manage and implement engineering analysis, activities and programs., • Provide technical expertise and consultation through direct involvement and as a subject matter expert when consulted to identify and resolve equipment and system problems., • Directly fulfill engineering and technical leadership accountability regarding short-term and long-term programs that impact site operations., • Perform engineering tasks as assigned by supervision applying engineering principles., • Accountable for the accuracy, completeness, and timeliness of work ensuring proper configuration management and assuring that standard design criteria, practices, procedures and codes are used in preparation of plans and specifications., • Perform independent research, reviews, studies and analyses in support of technical projects and programs., • Recommend equipment, new concepts and techniques to improve performance, simplify construction, reduce costs, correct design or material flaws, or comply with changes in codes or regulations., • Bachelor&rsquos degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear), • Maintain minimum access requirements or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties MINIMUM QUALIFICATIONS for Mid-level E02 Engineer • Bachelor&rsquos degree in engineering (chemical, civil/structural, electrical, industrial, mechanical or nuclear) with 2 years of nuclear or related engineering experience, • Maintain minimum access requirements or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties MINIMUM QUALIFICATIONS for Senior E03 Engineer • Bachelor&rsquos degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) with 5 years of nuclear experience or related engineering experience, • Engineer in training certification