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Job Description AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview The Engineering Development Program (EDP) is designed for exceptional recent graduates who want to become Industrial Engineers by learning about high volume space industry operations to support a rapid deployment of Low-Earth Orbit (LEO) satellite constellation. Participants in this program will begin their careers working directly on the spacecraft production floor as Engineering Technicians supporting Micron Operations. In this role, participants will gain hands-on experience assembling, testing, and integrating flight components for the phased array of the satellite. As participants demonstrate technical capability and leadership potential, they will progress through a structured development path: Engineering Technician → Associate Manufacturing Engineer → Manufacturing Engineer or Flight Assurance Engineer or Industrial Engineer or Supervisor This program provides a rare opportunity to develop engineers who understand spacecraft hardware from the ground up—combining hands-on spacecraft assembly experience, early leadership development, and a clear transition into an engineering role. Participants will gain direct experience building flight hardware, leading technical teams, and supporting spacecraft production at scale. Key Responsibilities Phase 1 – Engineering Technician Participants begin the program working directly with spacecraft hardware supporting Micron Operations. Responsibilities include: • Perform hands-on assembly and integration of flight components., • Support mechanical integration, alignment, and fastening of microns into the phased array., • Assist with bonding, adhesives, potting, and precision assembly processes in accordance with engineering procedures and workmanship standards., • Follow strict cleanroom protocols including ESD and FOD control when handling flight hardware., • Support quality inspections and verification activities to ensure hardware meets engineering specifications and workmanship standards., • Assist with troubleshooting assembly or test issues during operations., • Collaborate closely with engineers and senior technicians to execute assembly, test and integration tasks. This phase focuses on developing a deep understanding of spacecraft hardware, integration processes, and flight hardware handling. Phase 2 – Associate Manufacturing Engineer or Associate Automation Engineer After demonstrating strong technical performance and leadership capability, participants transition into a supervisory role supporting Micron operations. Responsibilities include: • Lead and provide technical guidance to teams performing assembly and integration of spacecraft hardware., • Coordinate daily production activities to ensure assembly milestones are achieved on schedule., • Ensure technicians follow engineering procedures, quality standards, and cleanroom protocols., • Train and mentor junior technicians in assembly, test and integration practices., • Support troubleshooting and resolution of assembly and integration challenges., • Collaborate with engineering and production leadership to improve processes and operational efficiency., • Ensure proper documentation and compliance with spacecraft manufacturing standards., • Identify, scope, and execute a technical process improvement project to standardize or improve efficiency. This phase provides early leadership experience managing technical teams responsible for building flight spacecraft hardware. Phase 3 – Manufacturing Engineer or Automation Engineer Upon successful completion of the development program, participants transition into a Manufacturing Engineer role supporting spacecraft production and integration. Responsibilities include: • Support engineering teams in developing and improving assembly and integration procedures., • Assist with troubleshooting hardware integration challenges during operations., • Analyze production processes and identify opportunities for efficiency improvements., • Support spacecraft integration campaigns and cross-functional engineering efforts., • Collaborate with design engineers to provide feedback from production operations to improve hardware designs., • Support development of tooling, fixtures, and build processes for spacecraft production. Participants completing the program transition into engineering roles with a unique advantage—direct experience building and integrating operational spacecraft hardware. Qualifications Education Bachelor's degree in one of the following fields: • Aerospace Engineering, • Mechanical Engineering, • Electrical Engineering, • Manufacturing Engineering, • Industrial Engineering, • Physics or related technical discipline Experience • Recent graduate or early-career engineer with strong academic performance, • Hands-on engineering project experience through internships, research labs, or academic programs, • Experience with mechanical assemblies, electronics, robotics, or hardware systems preferred, • Demonstrated interest in spacecraft systems, aerospace manufacturing, or hardware engineering Preferred Qualifications • Experience with mechanical assemblies, electromechanical systems, or wiring harnesses, • Exposure to aerospace manufacturing, spacecraft systems, or cleanroom environments, • Experience with bonding, adhesives, or precision assembly processes, • Participation in engineering project teams, robotics competitions, or hardware-based research projects Soft Skills • Strong curiosity and desire to understand how complex hardware systems are built, • Demonstrated leadership potential and ability to guide technical teams, • Strong problem-solving mindset and attention to detail, • Excellent communication and collaboration skills, • Ability to thrive in a fast-paced engineering and production environment Technology Stack Engineering & Manufacturing Tools • Precision mechanical assembly tools, • Electrical harness installation equipment, • Adhesive and bonding application systems Software & Productivity Tools • Microsoft Office Suite, • Engineering documentation systems Physical Requirements • Ability to perform hands-on work with spacecraft hardware and mechanical assemblies, • Ability to stand for extended periods during integration and assembly operations, • Ability to work in cleanroom environments under strict ESD and FOD control protocols, • Ability to lift and move equipment up to 25 pounds as required for spacecraft integration tasks, • Position is based at the Midland, Texas facility and requires on-site collaboration with spacecraft production and engineering teams This job description may not be inclusive to the duties and responsibilities listed. Additional tasks may be assigned to the employee from time to time or the scope of the job may change as needed by business demands. AST SpaceMobile is an Equal Opportunity, at will Employer; employment is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Job Description AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview We are seeking a Manufacturing Engineer to develop, evaluate, and continuously improve manufacturing methods and processes that sustain production of existing products while enabling efficient introduction of new products. This role partners closely with Product Engineering and Operations to ensure manufacturability, safety, quality, scalability, and cost efficiency across production programs. The ideal candidate brings strong process engineering fundamentals, hands-on problem solving, and continuous improvement experience within a manufacturing environment. Key Responsibilities • Assess new product concepts and designs for manufacturability and provide recommendations to R&D/Product Engineering, • Develop and implement manufacturing methods and processes that meet safety, quality, cost, and schedule objectives, • Conduct proof-of-principle and proof-of-concept studies for new processes and technologies, • Perform detailed process design including layouts, tooling, fixturing, programming, testing, and documentation, • Continuously improve production methods using Six Sigma and Lean methodologies, • Troubleshoot and resolve technical issues impacting production performance, • Lead or participate in Safety, Kaizen, and continuous improvement initiatives, • Qualify new or modified products and processes through validation and production readiness, • Create and maintain work instructions, process procedures, and technical documentation, • Collaborate cross-functionally with Quality, Supply Chain, and Operations teams to ensure manufacturing readiness Qualifications Education • Bachelor's degree in Electrical, Electronic, Manufacturing, Industrial, or Mechanical Engineering OR • 8+ years of equivalent manufacturing engineering experience Experience • Associate Level: 0–3 years of manufacturing environment experience, • Mid-Level: 3+ years of manufacturing environment experience Preferred Qualifications • Experience with pFMEA, Lean Manufacturing, and Kaizen events, • Experience working in liaison or concurrent engineering environments, • Experience with robotic or automated manufacturing equipment, • Demonstrated history of process optimization and new process design using Six Sigma principles, • Black Belt Six Sigma (DMAIC) certification, • Experience with AutoCAD, Inventor, or similar CAD tools, • Experience with ERP/MES/PLM systems (e.g., Solumina, NetSuite, Fusion 360) Soft Skills • Strong analytical and problem-solving skills, • Effective verbal and written communication, • Technical writing capability for procedures and work instructions, • Strong organizational and project management skills, • Ability to work cross-functionally in a fast-paced production environment, • Leadership mindset with continuous improvement focus Technology Stack • Microsoft Office Suite, • CAD/CAM tools, • Tooling and fixture design systems, • Gauging and capability study tools, • ERP/MES/PLM systems (Solumina, NetSuite, Fusion 360 or equivalent) Physical Requirements • Ability to work in a manufacturing/production environment, • Ability to stand, walk, and move throughout production areas for extended periods, • Ability to occasionally lift up to 25 lbs, • Ability to use standard manufacturing and computer equipment This job description may not be inclusive to the duties and responsibilities listed. Additional tasks may be assigned to the employee from time to time or the scope of the job may change as needed by business demands. AST SpaceMobile is an Equal Opportunity, at will Employer; employment is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Job Description AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview The Engineering Development Program (EDP) is designed for exceptional recent graduates who want to become Industrial Engineers by learning about high volume space industry operations to support a rapid deployment of Low-Earth Orbit (LEO) satellite constellation. Participants in this program will begin their careers working directly on the spacecraft production floor as Engineering Technicians supporting Micron Operations. In this role, participants will gain hands-on experience assembling, testing, and integrating flight components for the phased array of the satellite. As participants demonstrate technical capability and leadership potential, they will progress through a structured development path: Engineering Technician → Associate Manufacturing Engineer → Manufacturing Engineer or Flight Assurance Engineer or Industrial Engineer or Supervisor This program provides a rare opportunity to develop engineers who understand spacecraft hardware from the ground up—combining hands-on spacecraft assembly experience, early leadership development, and a clear transition into an engineering role. Participants will gain direct experience building flight hardware, leading technical teams, and supporting spacecraft production at scale. Key Responsibilities Phase 1 – Industrial Engineering Technician Participants begin the program working directly with spacecraft hardware supporting Micron Operations. Responsibilities include: • Perform hands-on assembly and integration of flight components., • Support mechanical integration, alignment, and fastening of microns into the phased array., • Assist with bonding, adhesives, potting, and precision assembly processes in accordance with engineering procedures and workmanship standards., • Follow strict cleanroom protocols including ESD and FOD control when handling flight hardware., • Support quality inspections and verification activities to ensure hardware meets engineering specifications and workmanship standards., • Assist with troubleshooting assembly or test issues during operations., • Collaborate closely with engineers and senior technicians to execute assembly, test and integration tasks. This phase focuses on developing a deep understanding of spacecraft hardware, integration processes, and flight hardware handling. Phase 2 – Associate Industrial Engineer After demonstrating strong technical performance and leadership capability, participants transition into a supervisory role supporting Micron operations. Responsibilities include: • Lead and provide technical guidance to teams performing assembly and integration of spacecraft hardware., • Coordinate daily production activities to ensure assembly milestones are achieved on schedule., • Ensure technicians follow engineering procedures, quality standards, and cleanroom protocols., • Train and mentor junior technicians in assembly, test and integration practices., • Support troubleshooting and resolution of assembly and integration challenges., • Collaborate with engineering and production leadership to improve processes and operational efficiency., • Ensure proper documentation and compliance with spacecraft manufacturing standards., • Identify, scope, and execute a technical process improvement project to standardize or improve efficiency. This phase provides early leadership experience managing technical teams responsible for building flight spacecraft hardware. Phase 3 – Option #1 – Industrial Engineer Upon successful completion of the development program, participants transition into a Manufacturing Engineer role supporting spacecraft production and integration. Responsibilities include: • Support engineering teams in developing and improving assembly and integration procedures., • Assist with troubleshooting hardware integration challenges during operations., • Analyze production processes and identify opportunities for efficiency improvements., • Support spacecraft integration campaigns and cross-functional engineering efforts., • Collaborate with design engineers to provide feedback from production operations to improve hardware designs., • Support development of tooling, fixtures, and build processes for spacecraft production., • Support operational excellence programs to improve quality, throughput, efficiency, etc to increase production and decrease costs Participants completing the program transition into engineering roles with a unique advantage—direct experience building and integrating operational spacecraft hardware. Phase 3 – Option # 2 – Supervisor (Operations Leadership Track) Upon successful completion of the development program, participants transition into a Supervisor role supporting micron operations. Responsibilities include: • Supervise satellite mechanical and electrical assembly operations, ensuring adherence to work instructions, engineering specifications, and quality standards., • Oversee and coordinate personnel across assigned shifts to ensure products are built on time, within cost targets, and meeting all quality expectations., • Maintain 6S standards, general housekeeping, and overall operational effectiveness for assigned production areas., • Support employee training, process auditing, and skills development to meet departmental objectives and certification requirements., • Motivate, coach, and engage employees to drive performance, accountability, and teamwork., • Partner with other supervisors, managers, and operations leadership to resolve production bottlenecks and personnel performance issues., • Support and guide the team in achieving key operational metrics and departmental goals, including safety, quality, delivery, and efficiency., • Work closely with engineering, quality, supply chain, and other cross-functional teams to ensure smooth build operations and timely issue resolution. Participants completing the program transition into Supervisor roles with a unique advantage—direct experience building and integrating operational spacecraft hardware. Qualifications Education Bachelor's degree in one of the following fields: • Aerospace Engineering, • Mechanical Engineering, • Electrical Engineering, • Manufacturing Engineering, • Industrial Engineering, • Physics or related technical discipline Experience • Recent graduate or early-career engineer with strong academic performance, • Hands-on engineering project experience through internships, research labs, or academic programs, • Experience with mechanical assemblies, electronics, robotics, or hardware systems preferred, • Demonstrated interest in spacecraft systems, aerospace manufacturing, or hardware engineering Preferred Qualifications • Experience with mechanical assemblies, electromechanical systems, or wiring harnesses, • Exposure to aerospace manufacturing, spacecraft systems, or cleanroom environments, • Experience with bonding, adhesives, or precision assembly processes, • Participation in engineering project teams, robotics competitions, or hardware-based research projects Soft Skills • Strong curiosity and desire to understand how complex hardware systems are built, • Demonstrated leadership potential and ability to guide technical teams, • Strong problem-solving mindset and attention to detail, • Excellent communication and collaboration skills, • Ability to thrive in a fast-paced engineering and production environment Technology Stack Engineering & Manufacturing Tools • Precision mechanical assembly tools, • Electrical harness installation equipment, • Adhesive and bonding application systems Software & Productivity Tools • Microsoft Office Suite, • Engineering documentation systems Physical Requirements • Ability to perform hands-on work with spacecraft hardware and mechanical assemblies, • Ability to stand for extended periods during integration and assembly operations, • Ability to work in cleanroom environments under strict ESD and FOD control protocols, • Ability to lift and move equipment up to 25 pounds as required for spacecraft integration tasks, • Position is based at the Midland, Texas facility and requires on-site collaboration with spacecraft production and engineering teams This job description may not be inclusive of all duties and responsibilities. Additional tasks may be assigned to the employee from time to time, or the scope of the role may change based on business needs. AST SpaceMobile is an Equal Opportunity, at will Employer; employment is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Job Description AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview We are seeking a capable and energetic Environmental Test Engineer to validate our satellite's ability to survive the harsh conditions of launch and Low Earth Orbit (LEO). In this role, you will be responsible for the end-to-end planning, coordination, and execution of critical test campaigns. You will work closely with systems, mechanical, and electrical engineering teams to ensure mission readiness. The ideal candidate thrives in a fast-paced, dynamic environment and demonstrates strong ownership over their work, making a direct impact on the success of our rapidly growing business. This position is assigned to Shift 3- Weekends: Friday–Sunday, 6:00 a.m.–6:00 p.m. (3x12s) 20% pay premium Depending on business needs, this role may also have opportunities on: • Shift 1- Days: Monday–Thursday, 7:30 a.m.–5:30 p.m. (4x10s)., • Shift 2-Nights: Monday–Thursday, 6:00 p.m.–4:00 a.m. (4x10s) 10% pay premium., • Shift 4- Weekend Nights: Friday- Sunday 6:00 pm – 6:00 am (3x12s) 25% pay premium Key Responsibilities: • Perform Thermal Vacuum (TVAC), vibration, and shock testing on components, subsystems, and fully assembled satellites., • Coordinate logistics and scheduling with internal engineering teams and external test facilities., • Work with and oversee environmental test vendors during off-site testing campaigns., • Support test article instrumentation (e.g., thermocouples, accelerometers, strain gauges) and data acquisition system setup., • Analyze test data, interpret results, and provide actionable feedback to design and manufacturing groups., • Own, operate, and maintain internal environmental test infrastructure, ensuring compliance with safety protocols., • Lead root cause analysis and drive the resolution of test anomalies and failures., • Contribute to the continuous improvement of test processes, procedures, and documentation., • Serve as the subject-matter expert on environmental test equipment and methodologies. Qualifications Education: Bachelor's degree in mechanical engineering, aerospace engineering, or a related technical field. Experience: • A minimum of 3 years of direct, hands-on experience in environmental testing of aerospace, defense, or other high-reliability systems., • Working knowledge of relevant environmental test standards (e.g., NASA GEVS, MIL-STD-810)., • Demonstrated proficiency with TVAC chambers and vibration tables (sine/random)., • Ability to read and interpret mechanical drawings, electrical schematics, and technical specifications., • Excellent mathematical, analytical, and problem-solving skills., • Hands-on experience with test instrumentation and data acquisition systems. Preferred Qualifications: • Direct experience with environmental testing of satellites or spacecraft., • In-depth knowledge of aerospace materials and their behavior in vacuum, thermal, and vibrational environments. Soft Skills: • A proactive and accountable approach to managing projects from planning to completion., • The ability to thrive and prioritize effectively in a fast-paced, dynamic R&D and manufacturing environment., • Strong interpersonal skills to work effectively with cross-functional engineering teams and external vendors., • A methodical and analytical mindset for troubleshooting complex test anomalies., • Clear and concise written and verbal communication skills for reporting results and documenting processes. Technology Stack: • NASA GEVS, MIL-STD-810, • TVAC Chambers, Electrodynamic Shakers (Vibration Tables), Shock Test Systems, Data Acquisition (DAQ) Hardware, • Accelerometers, Thermocouples, Strain Gauges, Force Sensors, • Data Analysis Software (e.g., MATLAB, Python - NumPy/SciPy), DAQ Control Software (e.g., LabVIEW, Dewesoft, m+p Analyzer) Physical Requirements • Ability to stand and walk for extended periods in a lab environment., • Must be able to lift and carry test equipment and components up to 40 pounds., • Manual dexterity required to handle and install sensitive instrumentation and cabling., • Ability to work in an environment with moderate noise levels from test equipment., • Visual acuity to read schematics and inspect small components., • May require occasional travel to external test facilities. This job description may not be inclusive to the duties and responsibilities listed. Additional tasks may be assigned to the employee from time to time or the scope of the job may change as needed by business demands. AST SpaceMobile is an Equal Opportunity, at will Employer; employment is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Job Description AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview We are seeking an Engineer to join our Manufacturing Engineering team and serve as the on-site lead for one of the primary satellite subsystems at our high-volume assembly line in Midland, TX. This role offers a unique hands-on perspective and direct involvement in the full lifecycle of flight hardware and Mechanical Ground Support Equipment (MGSE) - from design trades and prototyping to testing, production implementation, and quality assurance. The ideal candidate will be a proactive contributor, driving solutions to non-conformances, establishing robust processes, and supporting continuous improvement. Success in this role requires creativity, reliability, strong organizational skills, and the confidence to challenge existing norms in pursuit of excellence. Key Responsibilities • Identify bottlenecks, reduce waste, and implement continuous improvement methods (Lean, Six Sigma, Kaizen) to enhance productivity., • Troubleshoot equipment, optimize manufacturing systems, and maintain, install, or upgrade machinery, • Create and update technical documentation, including SOPs, CAD drawings, routings, and time studies., • Monitoring system performance, implementing updates, and troubleshooting issues., • Working with cross-functional teams (development, IT support) to provide technical solutions., • Ensure products meet specifications, establish quality standards, and perform root-cause analysis for defects., • Lead projects, manage budgets, and support new product launches from prototype to assembly. Qualifications Education Bachelor's degree in electrical or mechanical engineering or a related technical field. Experience A minimum of 2 years in lean manufacturing, preferably in aerospace or automotive industries. Preferred Qualifications • Six Sigma, • Green or Black Belt, • Lean Manufacturing Experience, • Spanish language skills are a plus. Soft Skills • Strong interpersonal and communication skills., • Proven ability to collaborate effectively within cross-functional teams., • Excellent written and verbal communication skills., • Meticulous attention to detail to ensure accuracy in documentation and deliverables., • Flexibility and adaptability in a fast-paced, dynamic environment., • Practical, hands-on mindset with a strong interest in hardware and shop floor engagement. Technology Stack • CAD software: AutoCAD (Preferred), Vault, • Workshop tools: 3D printing, CNC, hand tools, soldering, • Tracking and documentation tools for project and schedule management Physical Requirements • Ability to work in a standard office and workshop environment., • Ability to use a computer for extended periods., • Willingness to work hands-on with hardware and equipment on the production floor. This job description may not be inclusive to the duties and responsibilities listed. Additional tasks may be assigned to the employee from time to time or the scope of the job may change as needed by business demands. AST SpaceMobile is an Equal Opportunity, at will Employer; employment is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Job DescriptionCompany Description ABOUT STREAM REALTY PARTNERS Founded in 1996, Stream Realty Partners (Stream) began with a vision. Not one focused on bricks and mortar, but with people at its foundation. Headquartered in Dallas, TX and operating in core markets coast to coast, we complete billions in annual transactions in office, industrial, retail, healthcare, land, and data center properties. With millions of square feet of assignments, Stream is one of the fastest-growing, full-service commercial real estate services organizations in the country. Our team of talented individuals have come together to create our distinct culture, best summarized by our firm’s core values: smart, honest, nice, and passionate. For more information, visit www.streamrealty.com and follow Stream on LinkedIn, Instagram, X and Facebook. IMMEDIATE IMPACT. MEANINGFUL CAREER. At Stream, we know our success begins and ends with our people. It is the reason we work hard to attract and retain the best and brightest talent. From day one, you will be an integral member of our high-caliber, collaborative team. We will empower you to apply your energy, expertise, and creativity to meet our client’s needs while instilling you with unsurpassed market knowledge and development opportunities to succeed. When you join Stream, you won’t simply start a new job—you will build a meaningful and impactful career. Job Description POSITION OVERVIEW The Building Engineer is consistently thorough and committed to keeping building systems and equipment in good order while supporting other members of the property and team. They provide concierge-style service to the tenants at our buildings and are constantly looking for ways to improve the experience for all who come to their properties. They execute preventative maintenance to keep systems and equipment in good repair and prolong their useful life. They are keenly aware of their surroundings to ensure the property maintains an outstanding appearance. PRIMARY RESPONSIBILITIES • Comprehend and interpret instructions and memos, and ask clarifying questions to ensure understanding., • Operate and use necessary manual and power-driven tools., • Provide concierge-style customer service to internal and external partners., • Perform preventative maintenance and corrective repair of buildings, industrial systems, vehicles, equipment, and grounds., • Align and ensure all applicable codes, regulations, governmental agencies, and company directives related to building operations and work safety are adhered to., • Inspect building systems, including but not limited to fire alarms, HVAC, and plumbing, to ensure operation of equipment is within design capabilities and achieves environmental conditions prescribed by the client., • Perform contract work, which could include landscaping, snow removal, HVAC, plumbing, and cleaning. Qualifications, • 3 years of experience in Commercial Building Operations, Property Management, or a related industry preferred., • Basic skills with Microsoft Office Outlook, Word, Excel, and Teams., • Reliable transportation required., • Must have a thorough understanding of HVAC, electrical, plumbing, and building automation systems., • Ability to efficiently present information to an internal department and/or large groups of employees., • Understanding of multi-meter amp probe, anemometer, pressure gauges, drain auger, and other industry standard tools/equipment., • Prior work experience and knowledge of energy-saving and sustainability measures., • Strong organizational and analytical skills., • Ability to read and understand plans and prints. EDUCATION/CERTIFICATIONS • High School Diploma, GED, or trade school diploma required., • EPA Universal Certification required within 90 days of employment., • When applicable, obtain required city and/or government licenses or permits (i.e., Boiler Operating Permit, State Maintenance Electrician’s License, etc.). PHYSICAL REQUIREMENTS/WORK ENVIRONMENT • Work indoors approximately 50% of the time and outdoors approximately 50% of the time., • Use olfactory, auditory, and visual senses., • Ability to lift 50 lbs. or more., • Climb up and down stairs and ladders., • Access remote work areas and confined spaces (i.e., crawl spaces, roofs)., • Use a full range of manual dexterity (i.e., sitting, squatting, bending, kneeling, walking, and lifting). Additional Information #LI-Onsite Stream is an equal-opportunity employer and does not discriminate on the basis of ethnicity, race, religion, sexual orientation, gender identity, age, national origin, disability, military status, or any other reason prohibited by law. Stream Realty Partners offers competitive salaries, bonuses, medical/dental/vision insurance, pharmacy benefits, health savings account, flexible spending accounts, 401(k) plan with company matching, PTO, and holiday pay. Individual compensation packages are based on various factors unique to each candidate, including skill set, experience, qualifications, location, and other job-related reasons. To apply for a position, please visit our website at www.streamrealty.com

Job Description AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview We are seeking an Engineer to join our Manufacturing Engineering team and serve as the on-site lead for one of the primary satellite subsystems at our high-volume assembly line in Midland, TX. This role offers a unique hands-on perspective and direct involvement in the full lifecycle of flight hardware and Mechanical Ground Support Equipment (MGSE) - from design trades and prototyping to testing, production implementation, and quality assurance. The ideal candidate will be a proactive contributor, driving solutions to non-conformances, establishing robust processes, and supporting continuous improvement. Success in this role requires creativity, reliability, strong organizational skills, and the confidence to challenge existing norms in pursuit of excellence. Key Responsibilities • Identify bottlenecks, reduce waste, and implement continuous improvement methods (Lean, Six Sigma, Kaizen) to enhance productivity., • Troubleshoot equipment, optimize manufacturing systems, and maintain, install, or upgrade machinery, • Create and update technical documentation, including SOPs, CAD drawings, routings, and time studies., • Designing, configuring, and installing hardware, software, and networking systems. Tulip experience is a plus., • Monitoring system performance, implementing updates, and troubleshooting issues., • Working with cross-functional teams (development, IT support) to provide technical solutions., • Ensure products meet specifications, establish quality standards, and perform root-cause analysis for defects., • Lead projects, manage budgets, and support new product launches from prototype to assembly. Qualifications Education Bachelor's degree in electrical or mechanical engineering or a related technical field. Experience A minimum of 2 years in lean manufacturing, preferably in aerospace or automotive industries. Artificial intelligence experience required. Preferred Qualifications • MES Experience, • ERP Experience, • Power BI Experience, • Spanish language skills are a plus. Soft Skills • Strong interpersonal and communication skills., • Proven ability to collaborate effectively within cross-functional teams., • Excellent written and verbal communication skills., • Meticulous attention to detail to ensure accuracy in documentation and deliverables., • Flexibility and adaptability in a fast-paced, dynamic environment., • Practical, hands-on mindset with a strong interest in hardware and shop floor engagement. Technology Stack • CAD software: Autodesk Inventor (preferred), Vault, • Workshop tools: 3D printing, CNC, hand tools, soldering, • Tracking and documentation tools for project and schedule management Physical Requirements • Ability to work in a standard office and workshop environment., • Ability to use a computer for extended periods., • Willingness to work hands-on with hardware and equipment on the production floor. This job description may not be inclusive to the duties and responsibilities listed. Additional tasks may be assigned to the employee from time to time or the scope of the job may change as needed by business demands. AST SpaceMobile is an Equal Opportunity, at will Employer; employment is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Job Description We are currently seeking a Maintenance / Engineer to join our team! Responsibilities: • Complete work and repair orders in a timely fashion, • Estimate time and extent of repairs, • Perform routine preventive maintenance, • Maintain material and supply inventory, • Be ready and quick with your knowledge and experience to ensure guest safety and comfort and a safe environment critical to fellow associates., • Great team player / assisting with other departments, • Maintain Records and logs (experience using Quore will be a plus), • Respond swiftly and effectively to every emergency that arises during your shift., • Respond swiftly and effectively to every crisis that occurs while on call., • Help keep the mechanical areas safe, orderly, and clean and maintain legible, orderly records, • Cleaning the pool, • Previous Hotel / Apartment experience is a plus, • Provide shuttle service to our guests when needed during your shift., • Be prepared to complete special projects whenever asked Qualifications: • Previous experience in maintenance or other related fields, • Good understanding of wall painting and drywall repair, • Basic knowledge of electrical repair and fixture installation, • Familiarity with AC, HVAC, and PTACs, • Must have a good understanding of outdoor Pool functions and maintenance, • Familiarity with maintenance tools and equipment, • Experience with Grounds upkeep, • Ability to handle a physically demanding workload, • Deadline and detail-oriented, • Able to use a PC and Tablet, • Must be able to be on-call after hours when needed, • Experience With Quore Maintenance System is a plus

Job Description AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview Lead civil and structural assessments for satellite gateway sites, ensuring that foundations, site layouts, utilities, and construction work meet engineering expectations, local permitting requirements, and overall deployment timelines. You will own the civil scope from site survey and design review through construction quality, issue resolution, and final turnover, ensuring the site is fully ready for gateway activation. This role operates at the intersection of civil engineering excellence and satellite technology deployment, requiring engineering precision balanced with business urgency while managing regulatory requirements across diverse markets. Key Responsibilities Site Surveys & Assessments • Conduct civil surveys to understand topography, access, drainage patterns, soil behaviour, utilities, and overall build feasibility, • Identify risks related to site conditions early to support reliable design and construction planning Structural & Civil Design Validation • Review designs for foundations, antenna/radome supports, equipment pads, shelters, structural frames, and site steel, • Confirm that designs account for expected forces such as wind and seismic and follow widely used US design practices common to building and telecom infrastructure, • Ensure designs are ready for local permitting by aligning with widely adopted building‑safety requirements used across US jurisdictions Permitting & Approvals Support • Prepare civil/structural drawings and calculation packages in a format suitable for local building departments, • Coordinate with Authorities Having Jurisdiction (AHJs) to help obtain timely permits, • Support environmental and construction‑site compliance requirements such as stormwater control, erosion control, and proper site‑runoff management (standard requirements for most US construction projects) Construction Oversight & Quality Control • Oversee construction activities including earthworks, foundations, drainage works, trenches and duct banks, and concrete installations, • Ensure contractors maintain proper stormwater controls and follow good environmental practices on site, • Address onsite technical issues such as RFIs, unexpected soil or rock conditions, and field adjustments, • Support safe lifting plans and heavy‑equipment activities, especially for antennas and large components, following widely accepted construction‑safety practices Activation‑Ready Delivery • Ensure all civil deliverables as‑built drawings, inspection results, soil and concrete test records, redlines, and turnover documentation are complete and accurate, • Identify when tall structures or temporary cranes may require review by aviation authorities and coordinate the necessary documentation, • Prepare the site so it is fully ready for installation of gateway antenna systems, power systems, and related infrastructure Cross‑Team Coordination • Work closely with teams including RF/antenna engineering, mechanical and electrical teams, operations, HSE, program management, procurement, legal/permitting, and real estate/site acquisition, • Coordinate with electrical/MEP teams on grounding and lightning‑protection elements, ensuring civil interfaces are properly addressed Qualifications Education • Bachelor's degree in civil engineering or related field, • 5+ years of experience in civil/structural engineering for mission‑critical, telecom, industrial, or similar infrastructure, • Ability to review civil/structural designs for conformance with commonly used US building and structural design practices, • Construction experience including QA/QC, inspection oversight, RFI management, and closeout documentation, • Familiarity with construction stormwater and erosion‑control requirements typically required on US projects, • Ability to travel across the US for site surveys, construction reviews, and activation support Preferred • Professional Engineer (PE) license or EIT progressing toward licensure, • Experience with satellite ground stations, antenna foundations, radomes, or telecom towers, • Experience working with aviation‑related structure‑height reviews during construction Skills & Competencies • Strong knowledge of foundations, grading, earthworks, drainage, and practical construction considerations, • Ability to review and redline civil drawings and specifications, • Experience with civil engineering design software including AutoCAD and Civil 3D, • Strong field judgement and ability to anticipate constructability issues, • Effective at coordinating contractors and driving timely resolution of issues, • Clear communication skills across engineering, construction, operations, and permitting teams Cross‑Functional Interfaces • Internal: Program/Project Management, RF/Antenna Engineering, Mechanical/Electrical Teams, Network/Operations, HSE, Supply Chain, Legal/Permitting, Real Estate/Site Acquisition, • External: Civil/structural consultants, geotechnical firms, contractors, equipment suppliers, landlords, local permitting departments, and aviation authorities when applicable Tools / Standards / Methods • Commonly used US building‑safety and structural‑design principles adopted by local building departments, • Widely accepted practices for concrete, steel, and foundation design, • Standard environmental and stormwater management practices for construction sites, • Aviation‑review processes for tall structures or cranes when required, • Construction‑safety practices for crane use, heavy lifts, and high‑risk activities, • Grounding and lightning‑protection coordination with electrical teams Performance Metrics Success measured by: • Gateway construction schedule adherence and milestone achievement, • Construction quality metrics and facility performance, • Regulatory approval efficiency and permit acquisition success, • Cost management and budget compliance, • Cross-functional team satisfaction scores Physical Requirements • Role based in US with regular travel for site visits and construction oversight (~40%), • Ability to conduct field inspections at construction sites, • Occasional international travel for gateway development, • Flexibility for urgent site issues outside standard hours This job description may not be inclusive to the duties and responsibilities listed. Additional tasks may be assigned to the employee from time to time or the scope of the job may change as needed by business demands. AST SpaceMobile is an Equal Opportunity, at will Employer; employment is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Job Description AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Summary The Harness Manufacturing Engineer is responsible for developing, optimizing, and supporting the production of electrical harnesses and cable assemblies for Low Earth Orbit (LEO) satellite platforms. This role ensures harnesses are designed, manufactured, and tested to meet aerospace standards and mission requirements, while improving quality, repeatability, and production efficiency. Key Responsibilities • Manufacturing Engineering Support:, • Develop and maintain harness assembly processes, work instructions, and manufacturing documentation (routers, travelers, and assembly drawings)., • Support design-to-production handoffs by reviewing harness design schematics and layouts for manufacturability and reliability., • Define and select tooling, equipment, and materials required for harness production., • Drive improvements in harness routing, termination, and installation practices., • Production Oversight:, • Provide on-the-floor support to manufacturing technicians during harness assembly, integration, and troubleshooting., • Establish and optimize assembly sequences and jigs to ensure repeatable, high-quality harness fabrication., • Perform root cause analysis and implement corrective/preventive actions for nonconformances., • Testing and Quality Assurance:, • Develop and implement testing protocols using automated harness testers (e.g., CIRRIS or similar systems)., • Ensure all assemblies comply with IPC/WHMA-A-620 and NASA/ESA workmanship standards., • Review and approve first article inspections (FAIs) and ensure compliance with aerospace quality requirements., • Process Improvement & Documentation:, • Lead continuous improvement initiatives to increase production efficiency and reduce cost., • Maintain configuration management of harness designs, tooling, and process documentation., • Collaborate with design engineers, quality teams, and supply chain to ensure smooth production flow. Qualifications • Bachelor's degree in Electrical, Mechanical, Aerospace Engineering, or related field; or equivalent technical experience., • 3+ years of experience in harness or cable assembly manufacturing for aerospace, defense, or satellite applications., • Strong understanding of harness design principles, electrical schematics, and 3D CAD tools (e.g., CATIA, Creo, SolidWorks)., • Familiarity with industry standards: IPC/WHMA-A-620, ECSS-Q-ST-70, NASA-STD-8739.4., • Hands-on experience with crimping, soldering, wire dressing, and connectorization., • Experience with automated harness testers (CIRRIS, DIT-MCO, etc.)., • Strong problem-solving skills, attention to detail, and ability to work in a fast-paced, high-reliability production environment. Preferred Skills • Experience in satellite or spacecraft harness design and integration., • Knowledge of harness routing and design in 3D modeling software., • Understanding of aerospace material selection (wires, connectors, backshells, shielding, and sleeving)., • Lean manufacturing or Six Sigma certification. AST SpaceMobile is an Equal Opportunity, at will Employer; employment is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Job Description AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. SUMMARY: The Satellite Integration Manufacturing Engineer is responsible for planning, developing, and supporting integration and assembly processes for satellite subsystems and full spacecraft. This role focuses on designing efficient workflows, ensuring adherence to aerospace standards, improving production quality, and driving process optimization to meet mission requirements. The engineer will collaborate closely with design engineers, technicians, quality teams, and program management to ensure seamless integration, assembly, and testing of spacecraft. KEY RESPONSIBILITIES: • Develop and maintain manufacturing plans, assembly procedures, and work instructions for satellite integration., • Design and validate fixtures, tooling, and handling equipment to support satellite assembly and subsystem integration., • Collaborate with design engineering to ensure Design for Manufacturing and Assembly (DFMA) principles are applied to spacecraft and subsystem designs., • Support satellite structure, avionics, propulsion, and payload integration activities, ensuring all interfaces are aligned with engineering requirements., • Lead and support MRB (Material Review Board) and discrepancy resolution activities to ensure nonconformances are properly addressed., • Identify, analyze, and implement process improvements to increase manufacturing efficiency, reduce cost, and improve quality., • Review and approve engineering drawings, bills of material (BOM), and change notices to ensure manufacturability., • Support cleanroom operations, ensuring ESD, FOD, and contamination control compliance., • Plan and execute assembly flow sequencing, integration schedules, and resource allocation for satellite programs., • Coordinate integration and test readiness reviews (IRR/TRR) and ensure production milestones are met., • Provide engineering support during environmental testing (Vibration, TVAC, Shock, EMC) and ensure satellite hardware readiness., • Train and mentor technicians on new assembly techniques, tooling, and best practices., • Maintain compliance with AS9100, NASA, and ECSS standards. QUALIFICATIONS: • Bachelor's degree in Aerospace, Mechanical, Electrical, or Manufacturing Engineering or equivalent experience., • 3+ years of experience in spacecraft or aerospace system integration, manufacturing engineering, or related field., • Strong understanding of satellite subsystems (avionics, structures, propulsion, harnessing, solar panels, etc.)., • Experience with CAD tools (CATIA, NX, SolidWorks, Creo, or similar) and PLM systems., • Knowledge of GD&T, assembly tolerances, and precision alignment techniques., • Familiarity with cleanroom operations, ESD controls, and contamination control procedures., • Strong knowledge of lean manufacturing, process control, and root cause analysis methodologies., • Excellent communication, documentation, and cross-functional collaboration skills., • Hands-on experience supporting satellite assembly, integration, and testing (AIT) is highly desirable. PREFERRED SKILLS: • Experience with high-reliability aerospace hardware in a low-volume, high-complexity production environment., • Familiarity with tooling design and supplier management., • Knowledge of CFR Part 21, NASA-STD, ECSS standards, and AS9100D requirements., • Strong troubleshooting and problem-solving abilities., • Experience working with automation or advanced manufacturing technologies. AST SpaceMobile is an Equal Opportunity, at will Employer; employment is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Job Description AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview We are seeking an Engineer to join our Controls Engineering team and serve as the on-site lead for one of the primary satellite subsystems at our high-volume assembly line in Midland, TX. This role offers a unique hands-on perspective and direct involvement in the full lifecycle of flight hardware and Mechanical Ground Support Equipment (MGSE) - from design trades and prototyping to testing, production implementation, and quality assurance. The ideal candidate will be a proactive contributor, driving solutions to non-conformances, establishing robust processes, and supporting continuous improvement. Success in this role requires creativity, reliability, strong organizational skills, and the confidence to challenge existing norms in pursuit of excellence. Key Responsibilities Controls engineers are involved in the entire lifecycle of automation projects: • System Design: Creating 3D/Electrical CAD drawings, control panel layouts, and designing networks for machinery., • Programming: Coding PLC's (Siemens, Allen-Bradley), HMI's and VFD's, • Commissioning: Designing, Testing, and installing software and hardware on-site, which includes troubleshooting machinery to ensure it operates correctly., • Integration: Integrating sensors, actuators, and robotics into automated systems., • Optimization: Analyzing existing systems to improve efficiency, reduce downtime, and implement safer processes. Qualifications Education Bachelor's degree in electrical, mechanical, mechatronic, controls engineering or related technical field. Experience A minimum of 2 years in manufacturing, preferably in automotive industries. Required Skills • Technical Skills: Proficiency in PLC programming, HMI software, electrical troubleshooting, CAD, Robotics Programming, and understanding industrial networks., • Soft Skills: Strong problem-solving abilities, attention to detail, and communication skills to work with technicians and clients., • Language: Spanish language skills are a plus. Soft Skills • Strong interpersonal and communication skills., • Proven ability to collaborate effectively within cross-functional teams., • Excellent written and verbal communication skills., • Meticulous attention to detail to ensure accuracy in documentation and deliverables., • Flexibility and adaptability in a fast-paced, dynamic environment., • Practical, hands-on mindset with a strong interest in hardware and shop floor engagement. Physical Requirements • Ability to work in a standard office and workshop environment., • Ability to use a computer for extended periods., • Willingness to work hands-on with hardware and equipment on the production floor. This job description may not be inclusive to the duties and responsibilities listed. Additional tasks may be assigned to the employee from time to time or the scope of the job may change as needed by business demands. AST SpaceMobile is an Equal Opportunity, at will Employer; employment is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Job Description Why Castelion, Why Now Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus and technical excellence are decisive advantages - and we are building a team that can deliver real capability, not just concepts. This is a rare opportunity to join at an early stage, where your work will directly shape critical systems, influence major technical decisions, and have immediate, real-world impact. Facilities Manager We are seeking a highly proactive, hands-on Facilities Manager to lead the development, operations, and continuous improvement of Castelion's Midland, Texas site. This role is critical to enabling safe, reliable, and scalable operations across manufacturing, test, and parallel operational areas supporting production activities. You will serve as the primary owner of site infrastructure performance—balancing immediate operational needs with long-term site development as the facility evolves. Success in this role requires building structure from ambiguity—establishing and implementing standard operating procedures (SOPs), developing maintenance systems, and driving prioritization across competing operational demands. The ideal candidate thrives in fast-paced environments, brings strong operational discipline, and is comfortable making decisions with incomplete information while maintaining a high bar for safety, uptime, and execution. This position may be structured as part-time or full-time, depending on candidate availability and site needs, but requires high flexibility to support critical operations and site readiness. Responsibilities • Own all site infrastructure operations at the Midland facility, serving as the primary point of contact for facilities, maintenance, and site support needs, • Stand up and implement SOPs across maintenance, equipment support, utilities, safety coordination, and vendor management, • Establish prioritization frameworks to manage competing demands across production support, maintenance, and site buildout activities, • Build and execute preventative maintenance programs for building systems, utilities, and site equipment, • Oversee and maintain site systems including electrical distribution, HVAC (as applicable), plumbing, compressed air, fire protection, and industrial utilities, • Support installation, commissioning, and upkeep of production and test-support infrastructure, • Manage and prioritize work orders, ensuring timely resolution of maintenance, repair, and operational issues impacting site readiness, • Source, manage, and hold accountable external vendors and contractors for quality, cost, and schedule performance, • Partner closely with EHS, security and operations teams to ensure compliance with safety, environmental, and regulatory requirements, • Partner with our design engineer to support site layout planning, infrastructure expansion, and optimization of production and test flows, • Develop systems for asset tracking, maintenance logs, downtime tracking, and spare parts inventory, • Support emergency response and critical issue resolution (equipment failure, utility disruption, site incidents), • Drive continuous improvement initiatives to increase uptime, reliability, and operational efficiency across the site Basic Qualifications • High school diploma or GED required; associate or bachelor's degree preferred, • 4+ years of experience in industrial facilities, manufacturing support, maintenance, or site operations, • Demonstrated ability to build and implement SOPs and maintenance systems in an industrial environment, • Strong working knowledge of industrial systems (electrical, mechanical, HVAC where applicable, plumbing, compressed air, and general utilities), • Experience supporting production, test, or industrial operations environments (not office facilities), • Strong understanding of workplace hazards and safety practices, • Proven ability to prioritize effectively across competing operational demands in fast-paced environments, • Experience managing vendors, contractors, and field service providers, • Strong communication, organizational, and problem-solving skills, • Ability to operate independently with high ownership and accountability, • Willingness to support off-hours or urgent operational needs as required Preferred Skills and Experience • Experience supporting industrial production sites, test facilities, or manufacturing-heavy environments, • Background in industrial utilities, or mixed production/test operations, • Experience building maintenance programs and operational systems from the ground up, • Familiarity with CMMS tools, asset tracking systems, or maintenance scheduling systems, • Experience with infrastructure projects (site buildout, utility installation, equipment integration), • Strong experience with root cause analysis and reliability improvement efforts, • Background in aerospace, defense, energy, or other high-reliability industrial sectors, • Hands-on troubleshooting or field maintenance experience strongly preferred Other Duties Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice. Benefits And Perks All full-time employees are granted meaningful long-term equity, sharing in the company's significant growth trajectory. We offer four (4) weeks of paid time off, ten (10) company-paid holidays, and comprehensive health benefits - including 100% employee-covered medical and strong dependent coverage, along with dental and vision plans. We also provide paid parental leave to support growing families, a $100 monthly fitness stipend to promote health and performance, and onsite EV charging for convenience. In addition, employees enjoy perks like catered meals, company-covered food during high-demand periods, and a fully stocked kitchen to stay fueled throughout the day. While this position does not currently require a U.S government-issued security clearance, it may in the near future. Therefore, the ability to obtain and maintain a U.S. government–issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Affirmative Action/EEO Statement Employment with Castelion is governed on the basis of competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Job Description Position Summary: Renegade Process Controls is seeking a skilled Instrumentation and Electrical (I&E) Technician to support operations at gas processing facilities in the Odessa, TX area. The ideal candidate will have hands-on experience performing maintenance, calibration, and troubleshooting of instrumentation devices, as well as a strong understanding of electrical systems and national electrical codes. This role requires close collaboration with company engineers to ensure optimal plant performance and reliability. Key Responsibilities: Perform maintenance, calibration, installation, and troubleshooting on a wide range of instrumentation and control systems used in gas processing facilities. Conduct electrical work in accordance with NEC (National Electrical Code) standards, including wiring, conduit installation, and panel work. Support commissioning and startup activities of new or upgraded equipment and systems. Work with engineers and other technicians to identify and resolve performance or reliability issues. Maintain accurate records of work performed, including documentation of inspections, repairs, and parts used. Adhere to safety procedures and company policies at all times. Travel to remote job sites as needed in a company vehicle (valid driver’s license required). Qualifications: Minimum of 2-4 year of experience in an instrumentation and electrical technician role, preferably in the oil & gas or energy sector. Solid understanding of process instrumentation (pressure, temperature, flow, level) and control systems. Familiarity with PLCs, transmitters, control valves, and loop tuning. Strong working knowledge of electrical systems and national electrical codes (NEC). Ability to read and interpret P&IDs, loop diagrams, electrical schematics, and wiring diagrams. Proficient with hand tools, multimeters, and calibration equipment. Must possess a valid driver's license and have a clean driving record. High school diploma or GED required; additional technical training or certifications in instrumentation or electrical fields is a plus. Preferred Qualifications: Experience working in gas plants or with midstream oil & gas infrastructure. NCCER certification or equivalent technical training. Knowledge of safety practices and OSHA regulations. Company DescriptionWe can engineer, design, and implement all electrical and control aspects of projects and can handle well beyond that through our affiliated companies. Our services include but are not limited to: Electrical/Control Engineering & Design Project Management Material and Instrumentation Procurement MCC Fabrication Industrial Control Panel Fabrication Programming & HMI Development Electrical Field Installations Startup & Commissioning Piping and Mechanical Fabrication (through one of our affiliates) Civil Work (through one of our affiliates) Blast & Paint (through one of our affiliates)We can engineer, design, and implement all electrical and control aspects of projects and can handle well beyond that through our affiliated companies. Our services include but are not limited to:\r\nElectrical/Control Engineering & Design\r\nProject Management\r\nMaterial and Instrumentation Procurement\r\nMCC Fabrication\r\nIndustrial Control Panel Fabrication\r\nProgramming & HMI Development\r\nElectrical Field Installations\r\nStartup & Commissioning\r\nPiping and Mechanical Fabrication (through one of our affiliates)\r\nCivil Work (through one of our affiliates)\r\nBlast & Paint (through one of our affiliates)

Job Description AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview We are seeking a specialized RF & Control Systems Engineer to design, develop, and validate the tracking algorithms and control systems for our satellite and ground station antennas. Key Responsibilities: • Collaborate with antenna vendors to define control interfaces and validate tracking performance., • Design and simulate antenna control loops and tracking algorithms using tools like MATLAB/Simulink., • Develop and test embedded software/firmware for Antenna Control Units (ACUs)., • Support the integration and testing of the complete tracking system in the lab and in the field. Qualifications Education: Master's degree in electrical, mechatronics, or computer engineering. Experience: A minimum of 3 to 5 plus years in control systems or embedded software development for RF applications. Preferred Qualifications: • Experience with real-time operating systems (RTOS)., • Familiarity with satellite tracking techniques (e.g., monopulse, step-track). Soft Skills: • Adaptability & Resilience, • Proactive Problem-Solving, • High-Impact Communication, • Collaborative & Mission-Focused, • Commitment & Drive. Technology Stack: • Matlab, Simulink, • Python, • Linux, • Windows, Microsoft Office Suite Physical Requirements • Ability to work in a standard office environment and use a computer for extended periods., • This is a location-flexible position. The role requires the ability and willingness to travel internationally to support key project milestones, vendor engagements, and on-site integration activities as needed. This job description may not be inclusive to the duties and responsibilities listed. Additional tasks may be assigned to the employee from time to time or the scope of the job may change as needed by business demands. AST SpaceMobile is an Equal Opportunity, at will Employer; employment is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Job Description AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview We are seeking a capable and energetic Environmental Test Engineer to validate our satellite's ability to survive the harsh conditions of launch and Low Earth Orbit (LEO). In this role, you will be responsible for the end-to-end planning, coordination, and execution of critical test campaigns. You will work closely with systems, mechanical, and electrical engineering teams to ensure mission readiness. The ideal candidate thrives in a fast-paced, dynamic environment and demonstrates strong ownership over their work, making a direct impact on the success of our rapidly growing business. This position is assigned to Shift 1- Days: Monday–Thursday, 7:30 a.m.–5:30 p.m. (4x10s). Depending on business needs, this role may also have opportunities on: • Shift 2-Nights: Monday–Thursday, 6:00 p.m.–4:00 a.m. (4x10s) 10% pay premium. Shift 3- Weekends: Friday–Sunday, 6:00 a.m.–6:00 p.m. (3x12s) 20% pay premium • Shift 4- Weekend Nights: Friday- Sunday 6:00 pm – 6:00 am (3x12s) 25% pay premium Key Responsibilities: • Perform Thermal Vacuum (TVAC), vibration, and shock testing on components, subsystems, and fully assembled satellites., • Coordinate logistics and scheduling with internal engineering teams and external test facilities., • Work with and oversee environmental test vendors during off-site testing campaigns., • Support test article instrumentation (e.g., thermocouples, accelerometers, strain gauges) and data acquisition system setup., • Analyze test data, interpret results, and provide actionable feedback to design and manufacturing groups., • Own, operate, and maintain internal environmental test infrastructure, ensuring compliance with safety protocols., • Lead root cause analysis and drive the resolution of test anomalies and failures., • Contribute to the continuous improvement of test processes, procedures, and documentation., • Serve as the subject-matter expert on environmental test equipment and methodologies. Qualifications Education: Bachelor's degree in mechanical engineering, aerospace engineering, or a related technical field. Experience: • A minimum of 3 years of direct, hands-on experience in environmental testing of aerospace, defense, or other high-reliability systems., • Working knowledge of relevant environmental test standards (e.g., NASA GEVS, MIL-STD-810)., • Demonstrated proficiency with TVAC chambers and vibration tables (sine/random)., • Ability to read and interpret mechanical drawings, electrical schematics, and technical specifications., • Excellent mathematical, analytical, and problem-solving skills., • Hands-on experience with test instrumentation and data acquisition systems. Preferred Qualifications: • Direct experience with environmental testing of satellites or spacecraft., • In-depth knowledge of aerospace materials and their behavior in vacuum, thermal, and vibrational environments. Soft Skills: • A proactive and accountable approach to managing projects from planning to completion., • The ability to thrive and prioritize effectively in a fast-paced, dynamic R&D and manufacturing environment., • Strong interpersonal skills to work effectively with cross-functional engineering teams and external vendors., • A methodical and analytical mindset for troubleshooting complex test anomalies., • Clear and concise written and verbal communication skills for reporting results and documenting processes. Technology Stack: • NASA GEVS, MIL-STD-810, • TVAC Chambers, Electrodynamic Shakers (Vibration Tables), Shock Test Systems, Data Acquisition (DAQ) Hardware, • Accelerometers, Thermocouples, Strain Gauges, Force Sensors, • Data Analysis Software (e.g., MATLAB, Python - NumPy/SciPy), DAQ Control Software (e.g., LabVIEW, Dewesoft, m+p Analyzer) Physical Requirements • Ability to stand and walk for extended periods in a lab environment., • Must be able to lift and carry test equipment and components up to 40 pounds., • Manual dexterity required to handle and install sensitive instrumentation and cabling., • Ability to work in an environment with moderate noise levels from test equipment., • Visual acuity to read schematics and inspect small components., • May require occasional travel to external test facilities. This job description may not be inclusive to the duties and responsibilities listed. Additional tasks may be assigned to the employee from time to time or the scope of the job may change as needed by business demands. AST SpaceMobile is an Equal Opportunity, at will Employer; employment is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Job Description AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview We are seeking a capable and energetic Environmental Test Engineer to validate our satellite's ability to survive the harsh conditions of launch and Low Earth Orbit (LEO). In this role, you will be responsible for the end-to-end planning, coordination, and execution of critical test campaigns. You will work closely with systems, mechanical, and electrical engineering teams to ensure mission readiness. The ideal candidate thrives in a fast-paced, dynamic environment and demonstrates strong ownership over their work, making a direct impact on the success of our rapidly growing business. This position is assigned to Shift 2-Nights: Monday–Thursday, 6:00 p.m.–4:00 a.m. (4x10s) 10% pay premium. Depending on business needs, this role may also have opportunities on: • Shift 1- Days: Monday–Thursday, 7:30 a.m.–5:30 p.m. (4x10s)., • Shift 3- Weekends: Friday–Sunday, 6:00 a.m.–6:00 p.m. (3x12s) 20% premium, • Shift 4- Weekend Nights: Friday- Sunday 6:00 pm – 6:00 am (3x12s) 25% premium Key Responsibilities: • Perform Thermal Vacuum (TVAC), vibration, and shock testing on components, subsystems, and fully assembled satellites., • Coordinate logistics and scheduling with internal engineering teams and external test facilities., • Work with and oversee environmental test vendors during off-site testing campaigns., • Support test article instrumentation (e.g., thermocouples, accelerometers, strain gauges) and data acquisition system setup., • Analyze test data, interpret results, and provide actionable feedback to design and manufacturing groups., • Own, operate, and maintain internal environmental test infrastructure, ensuring compliance with safety protocols., • Lead root cause analysis and drive the resolution of test anomalies and failures., • Contribute to the continuous improvement of test processes, procedures, and documentation., • Serve as the subject-matter expert on environmental test equipment and methodologies. Qualifications Education: Bachelor's degree in mechanical engineering, aerospace engineering, or a related technical field. Experience: • A minimum of 3 years of direct, hands-on experience in environmental testing of aerospace, defense, or other high-reliability systems., • Working knowledge of relevant environmental test standards (e.g., NASA GEVS, MIL-STD-810)., • Demonstrated proficiency with TVAC chambers and vibration tables (sine/random)., • Ability to read and interpret mechanical drawings, electrical schematics, and technical specifications., • Excellent mathematical, analytical, and problem-solving skills., • Hands-on experience with test instrumentation and data acquisition systems. Preferred Qualifications: • Direct experience with environmental testing of satellites or spacecraft., • In-depth knowledge of aerospace materials and their behavior in vacuum, thermal, and vibrational environments. Soft Skills: • A proactive and accountable approach to managing projects from planning to completion., • The ability to thrive and prioritize effectively in a fast-paced, dynamic R&D and manufacturing environment., • Strong interpersonal skills to work effectively with cross-functional engineering teams and external vendors., • A methodical and analytical mindset for troubleshooting complex test anomalies., • Clear and concise written and verbal communication skills for reporting results and documenting processes. Technology Stack: • NASA GEVS, MIL-STD-810, • TVAC Chambers, Electrodynamic Shakers (Vibration Tables), Shock Test Systems, Data Acquisition (DAQ) Hardware, • Accelerometers, Thermocouples, Strain Gauges, Force Sensors, • Data Analysis Software (e.g., MATLAB, Python - NumPy/SciPy), DAQ Control Software (e.g., LabVIEW, Dewesoft, m+p Analyzer) Physical Requirements • Ability to stand and walk for extended periods in a lab environment., • Must be able to lift and carry test equipment and components up to 40 pounds., • Manual dexterity required to handle and install sensitive instrumentation and cabling., • Ability to work in an environment with moderate noise levels from test equipment., • Visual acuity to read schematics and inspect small components., • May require occasional travel to external test facilities. This job description may not be inclusive to the duties and responsibilities listed. Additional tasks may be assigned to the employee from time to time or the scope of the job may change as needed by business demands. AST SpaceMobile is an Equal Opportunity, at will Employer; employment is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Job Description AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview We are seeking an Associate Electrical Test Engineer to support the development, execution, and documentation of product testing activities that ensure quality, performance, and compliance with internal and industry standards. This role collaborates closely with engineering and design teams to translate product requirements into effective test plans and procedures, execute tests, and report findings. A strong technical foundation, attention to detail, and the ability to adapt in a fast-paced environment are key to success in this role. Key Responsibilities • Collaborate with product design teams and lead engineers to define testing requirements for electrical and electromechanical systems, • Develop, document, and refine test plans, test procedures, and test processes, • Execute test procedures in accordance with approved documentation, • Analyze test results and prepare clear, accurate test reports for engineering leadership, • Support continuous improvement of test processes, including evaluating opportunities for test automation, • Train and support technical staff on test procedures, equipment, and best practices as needed, • Ensure testing activities align with internal quality expectations and relevant industry standards, • Serve as a subject-matter resource on test equipment, methods, and best practices for engineering teams Qualifications Education Bachelor's degree in Electrical Engineering, Mechatronics, Aerospace Engineering, Computer Engineering, or a related field OR Associate's degree in Electrical Engineering with equivalent hands-on experience Experience A minimum of 0–2 years of relevant experience in testing, engineering, laboratory, or related technical environments Preferred Qualifications • Experience working in a research, development, or test laboratory environment, • Exposure to test automation concepts or implementation, • Familiarity with general-purpose electronic test equipment (e.g., power supplies, digital multimeters, source meters), • Experience supporting quality control, inspection, or testing of complex electronic systems, • Familiarity with energy systems, environmental testing, or vibration testing equipment, • Strong troubleshooting and problem-solving capabilities Soft Skills • Strong interpersonal skills with the ability to work collaboratively across cross-functional teams, • Excellent written and verbal communication skills, • Meticulous attention to detail to ensure test accuracy and documentation quality, • Ability to adapt and prioritize effectively in a fast-paced, evolving environment, • Innovative and analytical mindset with a proactive approach to problem-solving Technology Stack • Laboratory and engineering software (e.g., data acquisition, modeling, or simulation tools), • Test automation or scripting tools (as applicable), • Standard office productivity tools (e.g., documentation and reporting applications) Physical Requirements • Ability to work in a standard office and laboratory environment, • Ability to use a computer and test equipment for extended periods, • Ability to safely handle laboratory instruments and equipment in accordance with established procedures This job description may not be inclusive to the duties and responsibilities listed. Additional tasks may be assigned to the employee from time to time or the scope of the job may change as needed by business demands. AST SpaceMobile is an Equal Opportunity, at will Employer; employment is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Job Description AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview We are seeking a highly skilled and detail-oriented Mechanical Harness Engineer to join our dynamic team working on state-of-the-art Low Earth Orbit (LEO) satellite systems. In this role, you will design, develop, and integrate electrical harnesses that form the backbone of the satellite's electrical system, ensuring reliable and efficient power and data transfer for successful missions. Key Responsibilities • Design and develop electrical harnesses for LEO satellite systems, considering mission requirements, space constraints, thermal considerations, and EMC requirements., • Collaborate with system engineers, electrical designers, and mechanical engineers to define harness specifications and design constraints., • Create and manage detailed harness drawings, including cable/wire routing, connector selection, splicing, and termination plans using CAD tools., • Ensure compliance with industry standards (e.g., IPC-WHMA-A-620, ECSS-E-HB-10-10) and space agency requirements., • Conduct analyses and simulations to verify mechanical integrity, electrical performance, and environmental resistance., • Support fabrication, assembly, and testing of harnesses, providing guidance to ensure quality and adherence to specifications., • Perform in-house testing and validation, including continuity checks, insulation resistance, and signal integrity testing., • Collaborate with suppliers to source space-qualified components while maintaining cost-effectiveness and schedule adherence., • Document all design and testing activities, including procedures, reports, and design changes., • Participate in design reviews and cross-functional meetings, providing technical insights for optimization., • Assist in troubleshooting harness-related issues during integration, testing, and in-orbit operations., • Stay current with advancements in harness technologies and explore opportunities for innovation. Qualifications Education: Bachelor's or master's degree in Mechanical Engineering, Aerospace Engineering, or a related field. Experience: A minimum of 3–5 years of experience in electrical harness design for aerospace or space applications. Preferred Qualifications • Experience with high-reliability harness design for small satellites, CubeSats, or nano/microsatellites., • Knowledge of space-rated materials and manufacturing processes., • Familiarity with thermal analysis and thermal management techniques., • Previous work with major aerospace agencies or satellite manufacturers. Soft Skills • Strong interpersonal skills and proven ability to collaborate effectively within cross-functional teams., • Excellent written and verbal communication skills., • Analytical mindset with strong problem-solving abilities., • Ability to manage multiple projects and meet deadlines., • Meticulous attention to detail to ensure accuracy in documentation and design. Technology Stack • CAD tools: Autodesk Inventor, Fusion 360 PLM, and Vault, • Familiarity with harness design standards and schematic capture tools. Physical Requirements • Ability to work in a standard office environment and use a computer for extended periods., • Ability to work in clean room production environment., • Occasional hands-on work in lab environments for testing and validation. This job description may not be inclusive to the duties and responsibilities listed. Additional tasks may be assigned to the employee from time to time or the scope of the job may change as needed by business demands. AST SpaceMobile is an Equal Opportunity, at will Employer; employment is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Job Description AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview We are seeking a capable and energetic Environmental Test Engineer to validate our satellite's ability to survive the harsh conditions of launch and Low Earth Orbit (LEO). In this role, you will be responsible for the end-to-end planning, coordination, and execution of critical test campaigns. You will work closely with systems, mechanical, and electrical engineering teams to ensure mission readiness. The ideal candidate thrives in a fast-paced, dynamic environment and demonstrates strong ownership over their work, making a direct impact on the success of our rapidly growing business. Key Responsibilities: • Perform Thermal Vacuum (TVAC), vibration, and shock testing on components, subsystems, and fully assembled satellites., • Coordinate logistics and scheduling with internal engineering teams and external test facilities., • Work with and oversee environmental test vendors during off-site testing campaigns., • Support test article instrumentation (e.g., thermocouples, accelerometers, strain gauges) and data acquisition system setup., • Analyze test data, interpret results, and provide actionable feedback to design and manufacturing groups., • Own, operate, and maintain internal environmental test infrastructure, ensuring compliance with safety protocols., • Lead root cause analysis and drive the resolution of test anomalies and failures., • Contribute to the continuous improvement of test processes, procedures, and documentation., • Serve as the subject-matter expert on environmental test equipment and methodologies. Qualifications Education: Bachelor's degree in mechanical engineering, aerospace engineering, or a related technical field. Experience: • A minimum of 3 years of direct, hands-on experience in environmental testing of aerospace, defense, or other high-reliability systems., • Working knowledge of relevant environmental test standards (e.g., NASA GEVS, MIL-STD-810)., • Demonstrated proficiency with TVAC chambers and vibration tables (sine/random)., • Ability to read and interpret mechanical drawings, electrical schematics, and technical specifications., • Excellent mathematical, analytical, and problem-solving skills., • Hands-on experience with test instrumentation and data acquisition systems. Preferred Qualifications: • Direct experience with environmental testing of satellites or spacecraft., • In-depth knowledge of aerospace materials and their behavior in vacuum, thermal, and vibrational environments. Soft Skills: • A proactive and accountable approach to managing projects from planning to completion., • The ability to thrive and prioritize effectively in a fast-paced, dynamic R&D and manufacturing environment., • Strong interpersonal skills to work effectively with cross-functional engineering teams and external vendors., • A methodical and analytical mindset for troubleshooting complex test anomalies., • Clear and concise written and verbal communication skills for reporting results and documenting processes. Technology Stack: • NASA GEVS, MIL-STD-810, • TVAC Chambers, Electrodynamic Shakers (Vibration Tables), Shock Test Systems, Data Acquisition (DAQ) Hardware, • Accelerometers, Thermocouples, Strain Gauges, Force Sensors, • Data Analysis Software (e.g., MATLAB, Python - NumPy/SciPy), DAQ Control Software (e.g., LabVIEW, Dewesoft, m+p Analyzer) Physical Requirements • Ability to stand and walk for extended periods in a lab environment., • Must be able to lift and carry test equipment and components up to 40 pounds., • Manual dexterity required to handle and install sensitive instrumentation and cabling., • Ability to work in an environment with moderate noise levels from test equipment., • Visual acuity to read schematics and inspect small components., • May require occasional travel to external test facilities. This job description may not be inclusive to the duties and responsibilities listed. Additional tasks may be assigned to the employee from time to time or the scope of the job may change as needed by business demands. AST SpaceMobile is an Equal Opportunity, at will Employer; employment is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Job Description AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview We are seeking a capable and energetic Environmental Test Engineer to validate our satellite's ability to survive the harsh conditions of launch and Low Earth Orbit (LEO). In this role, you will be responsible for the end-to-end planning, coordination, and execution of critical test campaigns. You will work closely with systems, mechanical, and electrical engineering teams to ensure mission readiness. The ideal candidate thrives in a fast-paced, dynamic environment and demonstrates strong ownership over their work, making a direct impact on the success of our rapidly growing business. This position is assigned to Shift 4- Weekend Nights: Friday- Sunday 6:00 pm – 6:00 am (3x12s) 25% pay premium Depending on business needs, this role may also have opportunities on: • Shift 1- Days: Monday–Thursday, 7:30 a.m.–5:30 p.m. (4x10s)., • Shift 2-Nights: Monday–Thursday, 6:00 p.m.–4:00 a.m. (4x10s) 10% pay premium, • Shift 3- Weekends: Friday–Sunday, 6:00 a.m.–6:00 p.m. (3x12s) 20% pay premium Key Responsibilities: • Perform Thermal Vacuum (TVAC), vibration, and shock testing on components, subsystems, and fully assembled satellites., • Coordinate logistics and scheduling with internal engineering teams and external test facilities., • Work with and oversee environmental test vendors during off-site testing campaigns., • Support test article instrumentation (e.g., thermocouples, accelerometers, strain gauges) and data acquisition system setup., • Analyze test data, interpret results, and provide actionable feedback to design and manufacturing groups., • Own, operate, and maintain internal environmental test infrastructure, ensuring compliance with safety protocols., • Lead root cause analysis and drive the resolution of test anomalies and failures., • Contribute to the continuous improvement of test processes, procedures, and documentation., • Serve as the subject-matter expert on environmental test equipment and methodologies. Qualifications Education: Bachelor's degree in mechanical engineering, aerospace engineering, or a related technical field. Experience: • A minimum of 3 years of direct, hands-on experience in environmental testing of aerospace, defense, or other high-reliability systems., • Working knowledge of relevant environmental test standards (e.g., NASA GEVS, MIL-STD-810)., • Demonstrated proficiency with TVAC chambers and vibration tables (sine/random)., • Ability to read and interpret mechanical drawings, electrical schematics, and technical specifications., • Excellent mathematical, analytical, and problem-solving skills., • Hands-on experience with test instrumentation and data acquisition systems. Preferred Qualifications: • Direct experience with environmental testing of satellites or spacecraft., • In-depth knowledge of aerospace materials and their behavior in vacuum, thermal, and vibrational environments. Soft Skills: • A proactive and accountable approach to managing projects from planning to completion., • The ability to thrive and prioritize effectively in a fast-paced, dynamic R&D and manufacturing environment., • Strong interpersonal skills to work effectively with cross-functional engineering teams and external vendors., • A methodical and analytical mindset for troubleshooting complex test anomalies., • Clear and concise written and verbal communication skills for reporting results and documenting processes. Technology Stack: • NASA GEVS, MIL-STD-810, • TVAC Chambers, Electrodynamic Shakers (Vibration Tables), Shock Test Systems, Data Acquisition (DAQ) Hardware, • Accelerometers, Thermocouples, Strain Gauges, Force Sensors, • Data Analysis Software (e.g., MATLAB, Python - NumPy/SciPy), DAQ Control Software (e.g., LabVIEW, Dewesoft, m+p Analyzer) Physical Requirements • Ability to stand and walk for extended periods in a lab environment., • Must be able to lift and carry test equipment and components up to 40 pounds., • Manual dexterity required to handle and install sensitive instrumentation and cabling., • Ability to work in an environment with moderate noise levels from test equipment., • Visual acuity to read schematics and inspect small components., • May require occasional travel to external test facilities. This job description may not be inclusive to the duties and responsibilities listed. Additional tasks may be assigned to the employee from time to time or the scope of the job may change as needed by business demands. AST SpaceMobile is an Equal Opportunity, at will Employer; employment is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Job Description AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview The Senior RF Integration & Test Engineer will own the complete testing lifecycle for satellite TT&C and GNSS subsystems. This role operates across both the RF development laboratory and the spacecraft integration cleanroom, defining and executing RF test campaigns from early technology validation through flight hardware integration and environmental qualification. The engineer will validate satellite test procedures, develop and verify automated test software, and execute test campaigns that ensure spacecraft RF systems perform reliably from the factory floor to orbit. This position plays a critical role in ensuring ground system compatibility and supporting mission success through In-Orbit Testing (IOT) and satellite commissioning. Key Responsibilities • Define, author, and execute detailed RF test procedures supporting spacecraft development, integration, and production., • Validate satellite-level test procedures and automated scripts within the RF development lab prior to execution on flight hardware in the cleanroom., • Lead end-to-end "test as you fly" ground compatibility testing to ensure seamless RF communication between spacecraft radios and TT&C ground stations., • Support the development and validation of system CONOPS and mission use cases through flatsat testing and integrated RF system validation., • Provide mission support during satellite commissioning by leading RF data analysis during In-Orbit Testing (IOT)., • Plan and execute RF testing during environmental qualification and acceptance test campaigns including thermal vacuum (TVAC), vibration, and EMI/EMC testing., • Perform advanced RF characterization measurements including EIRP, G/T, phase noise, group delay, P1dB, and passive intermodulation., • Operate and maintain RF metrology equipment including vector network analyzers, spectrum analyzers, signal generators, and power meters., • Oversee operation, calibration, and architectural evolution of RF Electrical Ground Support Equipment (EGSE)., • Act as the primary on-site troubleshooting authority for automated RF test systems and related infrastructure. Qualifications Education • Bachelor's or Master's degree in Electrical Engineering or a related technical field. Experience • Minimum of 5+ years of hands-on experience in RF subsystem testing and validation within aerospace, defense, or satellite manufacturing environments., • Proven experience executing ground station compatibility testing and supporting satellite In-Orbit Testing (IOT) operations., • Experience validating software CONOPS and system-level RF use cases for satellite payloads, TT&C systems, or transponders., • Strong operational knowledge of RF metrology equipment including vector network analyzers, spectrum analyzers, power meters, and signal generators., • Demonstrated experience executing RF test campaigns involving thermal vacuum (TVAC), vibration testing, and EMI/EMC chambers. Preferred Qualifications • Experience working with satellite TT&C architectures and RF communications subsystems., • Familiarity with automated RF test scripting environments including Python-based frameworks or SCPI command interfaces., • Experience working with integrated spacecraft flatsat test environments., • Experience supporting spacecraft production test operations or RF payload integration activities. Soft Skills • Adaptability and resilience in fast-paced engineering environments., • Strong analytical and proactive problem-solving abilities., • Clear and effective communication across engineering, production, and integration teams., • Highly collaborative and mission-focused mindset., • Strong ownership mentality with the ability to drive complex testing programs. Technology Stack • Programming & Analysis: MATLAB, Python, • Platforms & Infrastructure: Linux, Docker, • Productivity Tools: Microsoft Office Suite (Word, Excel, PowerPoint) Physical Requirements • Ability to stand for extended periods while performing test activities and maneuver around large RF test fixtures and spacecraft hardware., • Ability to work in a cleanroom environment under strict ESD and FOD control protocols., • Ability to lift and move equipment up to 25 pounds as needed for test setup and integration activities., • Position is based at the Midland, Texas facility and requires on-site collaboration with engineering and spacecraft integration teams., • Occasional domestic and international travel may be required to support mission milestones, vendor integration activities, and spacecraft testing operations. This job description may not be inclusive to the duties and responsibilities listed. Additional tasks may be assigned to the employee from time to time or the scope of the job may change as needed by business demands. AST SpaceMobile is an Equal Opportunity, at will Employer; employment is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Job Description AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview We are seeking a highly hands-on RF Assembly, Integration, and Test (AIT) Engineer to execute, integrate, test, and debug flight RF hardware supporting a fast-paced LEO satellite program at AST SpaceMobile. This is a hardware-centric execution role. The selected candidate will personally build, integrate, verify, troubleshoot, and support RF systems from bench validation through launch operations. You will partner directly with TT&C and GPS design leads who own system architecture and requirements, translating released designs into robust, flight-ready hardware. This is not a documentation or coordination position — it is a build, test, and fix role. Key Responsibilities RF Assembly, Integration & Test Execution • Execute integration and verification testing for TT&C and GPS flight hardware., • Own hands-on integration and test of:, • Flight radios and transceivers, • Flight antennas, • RF harnessing and coaxial assemblies, • AIT RF racks and ground support equipment (GSE), • Work directly from released schematics, ICDs, and mechanical interfaces., • Verify RF performance margins, interface integrity, and system compliance through empirical hardware testing and data analysis. Hands-On Manufacturing & Build Support • Personally drive RF hardware build, inspection, integration, and rework activities., • Fabricate, inspect, and validate:, • Coaxial cable assemblies, • Connector terminations (SMA, TNC, N-type, etc.), • Harness routing, clamping, torque application, and strain relief implementation, • Maintain active presence on the manufacturing floor during hardware builds., • Partner with manufacturing engineers and technicians to ensure workmanship standards., • Identify and arrest integration escapes, workmanship defects, and latent hardware risks before propagation. AIT, Test, Debug & Automation • Design, assemble, and sustain AIT RF racks and associated test infrastructure., • Execute and continuously improve:, • RF functional testing, • End-to-end TT&C and navigation test configurations, • Return loss, insertion loss, isolation, power output, and sensitivity measurements, • Develop and maintain RF test automation:, • Automate repetitive RF test sequences and structured data capture, • Improve repeatability, throughput, and configuration traceability, • Support environmental and system-level testing including:, • Thermal vacuum (TVAC), • Vibration, • Thermal cycling, • Spacecraft integrated testing, • Own RF anomaly resolution:, • Debug harness, connector, and integration defects, • Identify workmanship-induced damage, • Isolate EMI/RFI coupling issues under schedule pressure, • When hardware fails during test, personally execute root cause isolation and corrective rework. Acceptance, Readiness & Launch Support • Execute formal acceptance testing per released procedures and qualification requirements., • Review test data packages, close discrepancy reports, and verify flight readiness., • Support launch site operations, including last-minute RF troubleshooting and configuration validation. What Winning Looks Like • RF hardware integrates cleanly and predictably in AIT., • Issues are identified early, debugged efficiently, and closed with permanent corrective action., • RF systems perform consistently from bench validation → environmental test → launch → orbit., • You can point to the spacecraft and confidently state: "I built and tested that system." Qualifications Education • BS or MS in Electrical Engineering, or equivalent demonstrated hands-on RF experience. Experience • Strong practical RF experience across common TT&C frequency bands., • Demonstrated hands-on experience with:, • RF assemblies and coax harness fabrication, • Antennas and RF subsystems, • RF test equipment (VNA, spectrum analyzer, power meters, signal generators), • Experience supporting AIT, environmental test campaigns, and production manufacturing., • Comfortable operating in cleanroom, laboratory, and factory environments., • Proven ability to troubleshoot and close hardware issues under aggressive timelines. Preferred Qualifications • Direct LEO satellite RF or TT&C integration experience., • Launch base or on-orbit support exposure., • Experience supporting multiple flight vehicles in parallel., • Background developing automated RF test frameworks and data systems. Soft Skills • High ownership mentality with strong bias toward execution., • Detail-oriented while maintaining schedule awareness., • Pragmatic decision-making in ambiguous or data-limited environments., • Collaborative across design, manufacturing, and test organizations., • Calm and methodical under hardware anomaly pressure. Technology Stack • Vector Network Analyzers (VNA), • Spectrum Analyzers, • RF Signal Generators, • Power Meters, • RF Switching Matrices, • Automated Test Software (Python, LabVIEW, or equivalent), • Standard AIT data logging and configuration management tools Physical Requirements • Ability to work extended periods in cleanroom and lab environments., • Frequent hands-on bench work requiring fine motor skills., • Ability to lift and maneuver test equipment and RF racks (up to 40 lbs)., • Willingness to travel to launch sites as required. AST SpaceMobile is an Equal Opportunity, at will Employer; employment is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Job Description Qualifications: What You’ll Bring: • Bachelor's degree in Electrical Engineering or an associated degree in mechanical or chemical from an ABET accredited university., • 5+ years of experience in engineering design of industrial control systems., • Strong knowledge of International Fire Code (IFC), International Mechanical Code (IMC), UL, and IEEE standards., • Experience selecting and specifying electrical and controls equipment and systems., • Proven ability to review vendor submittal against contractual and technical requirements., • Strong communication, organizational, and collaboration skills in multidisciplinary environments. Ideally, you'll also have: • Engineer in Training (EIT) certification or Professional Engineer (PE) license., • 2+ years of experience with semiconductor manufacturing tools (design, installation or cleanroom use)., • Field experience working directly with subcontractors and construction personnel., • Familiarity with BIM/CAD tools such as Revit or AutoCAD., • A forward-thinking mindset with desire to learn, innovate, and continuously improve. Responsibilities: We’re looking for a Facilities Instrumentation Engineering Owner’s Representative to play a key role in delivering cutting‐edge semiconductor manufacturing projects in Boise, ID. This is a high‐impact opportunity to work at the heart of advanced manufacturing, partnering with a multidisciplinary team and key stakeholders in a fast‐paced, high‐tech environment. In this role, you’ll act as the technical owner and advocate for Instrumentation and Controls scope during the Tool Installation phase of semiconductor manufacturing equipment. You’ll provide engineering and design oversight for final hookups—including fire alarm, chemical controls system, toxic gas monitoring (TGM) system and associated programmable logic controllers (PLCs) — while helping guide technical decisions in one of the most advanced industrial facilities in the world. What You’ll Do: • Provide engineering and design oversight during installation of semiconductor manufacturing tools., • Review and influence instrumentation and controls designs related to factory control systems, fire alarms, chemical controls, and TGM systems., • Develop and review technical specifications for tool installation., • Review vendor submittals and design deliverables to ensure compliance with client requirements and applicable codes., • Collaborate closely with facilities, construction, vendors, and internal project teams to ensure successful execution.

Job Description AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview The Engineering Development Program (EDP) is designed for exceptional recent graduates who want to become spacecraft engineers by learning how satellites are physically built. Participants in this program will begin their careers working directly on the spacecraft production floor as Engineering Technicians supporting CSAT structures, integrations, and major assembly operations. In this role, participants will gain hands-on experience assembling and integrating flight components into the spacecraft. As participants demonstrate technical capability and leadership potential, they will progress through a structured development path: Engineering Technician → Associate Manufacturing Engineer → Manufacturing Engineer This program provides a rare opportunity to develop engineers who understand spacecraft hardware from the ground up—combining hands-on spacecraft assembly experience, early leadership development, and a clear transition into an engineering role. Participants will gain direct experience building flight hardware, leading technical teams, and supporting spacecraft production at scale. Key Responsibilities Phase 1 – Engineering Technician Participants begin the program working directly with spacecraft hardware supporting CSAT structures, integrations, and major assembly operations. Responsibilities include: • Perform hands-on assembly and integration of CSAT structures, mechanical subsystems, and flight components., • Support mechanical integration, alignment, and fastening of spacecraft assemblies., • Assist with bonding, adhesives, potting, and precision assembly processes in accordance with engineering procedures and workmanship standards., • Follow strict cleanroom protocols including ESD and FOD control when handling flight hardware., • Support quality inspections and verification activities to ensure hardware meets engineering specifications and workmanship standards., • Assist with troubleshooting assembly or integration issues during spacecraft production., • Collaborate closely with engineers and senior technicians to execute assembly and integration tasks. This phase focuses on developing a deep understanding of spacecraft hardware, integration processes, and flight hardware handling. Phase 2 – Associate Manufacturing Engineer After demonstrating strong technical performance and leadership capability, participants transition into a supervisory role supporting CSAT structures and major assembly operations. Responsibilities include: • Lead and supervise teams performing assembly and integration of spacecraft hardware., • Coordinate daily production activities to ensure assembly milestones are achieved on schedule., • Ensure technicians follow engineering procedures, quality standards, and cleanroom protocols., • Train and mentor junior technicians in spacecraft assembly and integration practices., • Support troubleshooting and resolution of assembly and integration challenges., • Collaborate with engineering and production leadership to improve processes and operational efficiency., • Ensure proper documentation and compliance with spacecraft manufacturing standards. This phase provides early leadership experience managing technical teams responsible for building flight spacecraft hardware. Phase 3 – Manufacturing Engineer Upon successful completion of the development program, participants transition into a Manufacturing Engineer role supporting spacecraft production and integration. Responsibilities include: • Support engineering teams in developing and improving spacecraft assembly and integration procedures., • Assist with troubleshooting hardware integration challenges during spacecraft build operations., • Analyze production processes and identify opportunities for efficiency improvements., • Support spacecraft integration campaigns and cross-functional engineering efforts., • Collaborate with design engineers to provide feedback from production operations to improve hardware designs., • Support development of tooling, fixtures, and build processes for spacecraft production. Participants completing the program transition into engineering roles with a unique advantage—direct experience building and integrating operational spacecraft hardware. Qualifications Education Bachelor's degree in one of the following fields: • Aerospace Engineering, • Mechanical Engineering, • Electrical Engineering, • Manufacturing Engineering, • Industrial Engineering, • Physics or related technical discipline Experience • Recent graduate or early-career engineer with strong academic performance, • Hands-on engineering project experience through internships, research labs, or academic programs, • Experience with mechanical assemblies, electronics, robotics, or hardware systems preferred, • Demonstrated interest in spacecraft systems, aerospace manufacturing, or hardware engineering Preferred Qualifications • Experience with mechanical assemblies, electromechanical systems, or wiring harnesses, • Exposure to aerospace manufacturing, spacecraft systems, or cleanroom environments, • Experience with bonding, adhesives, or precision assembly processes, • Participation in engineering project teams, robotics competitions, or hardware-based research projects Soft Skills • Strong curiosity and desire to understand how complex hardware systems are built, • Demonstrated leadership potential and ability to guide technical teams, • Strong problem-solving mindset and attention to detail, • Excellent communication and collaboration skills, • Ability to thrive in a fast-paced engineering and production environment Technology Stack Engineering & Manufacturing Tools • Precision mechanical assembly tools, • Electrical harness installation equipment, • Adhesive and bonding application systems Software & Productivity Tools • Microsoft Office Suite, • Engineering documentation systems Physical Requirements • Ability to perform hands-on work with spacecraft hardware and mechanical assemblies, • Ability to stand for extended periods during integration and assembly operations, • Ability to work in cleanroom environments under strict ESD and FOD control protocols, • Ability to lift and move equipment up to 25 pounds as required for spacecraft integration tasks, • Position is based at the Midland, Texas facility and requires on-site collaboration with spacecraft production and engineering teams Note: This job description may not be inclusive of all duties and responsibilities. Additional tasks may be assigned to the employee from time to time, or the scope of the role may change based on business needs. This job description may not be inclusive of all duties and responsibilities. Additional tasks may be assigned to the employee from time to time or the scope of the role may change as needed based on business demands. AST SpaceMobile is an Equal Opportunity, at will Employer; employment is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Job Description AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. SUMMARY: The Mechanical Engineer – Test, Tooling & Automation is responsible for the design, development, and deployment of test equipment, tooling systems, and automated manufacturing solutions. This role requires a hands-on engineer with strong expertise in mechanical design, prototyping, instrumentation, and system integration (PLC, DAQ, robotics). The engineer will support production ramps, assembly integration, and test validation by delivering robust, reliable hardware solutions while working closely with cross-functional teams. DUTIES AND RESPONSIBILITIES: • Design and develop tooling, fixtures, and test equipment for manufacturing and integration processes., • Lead 3D prototyping (additive manufacturing) and rapid design iterations to support production needs., • Develop and maintain test systems including DAQ, instrumentation, and data acquisition workflows., • Integrate PLC systems, sensors, actuators, and control systems into test setups., • Support robotics and automation systems for manufacturing and assembly operations., • Execute functional testing, validation, and certification of hardware systems., • Troubleshoot mechanical, electrical, and system-level issues in test environments., • Define and document test procedures, work instructions, and configuration standards., • Collaborate with electrical, software, and manufacturing teams for system integration and commissioning., • Ensure test racks, tooling, and systems meet safety, quality, and reliability standards., • Support production ramp activities by ensuring readiness of tools, test equipment, and trained personnel., • Provide hands-on support on the floor, including building, debug, and problem resolution., • Continuously improving tooling and test processes to increase efficiency and reduce downtime. EDUCATION & EXPERIENCE: Bachelor's degree in mechanical engineering or related field, 2+ years of experience (or strong internships/projects) in: • Tooling design, • Mechanical system development, • Test engineering or manufacturing support. Experience in: • 3D CAD (SolidWorks, NX, Creo, etc.), • Prototype fabrication and machine shop tools., • Test systems and hardware integration. REQUIRED SKILLS/ABILITIES: Strong knowledge of: • Mechanical design and tooling development, • 3D printing / additive manufacturing, • PLC systems and industrial controls (basics to intermediate), • Electronics, instrumentation, and sensors, • DAQ systems (LabVIEW, NI, or similar), • Robotics and automated systems Hands-on capabilities: • Assembly, testing, debugging hardware., • Troubleshooting mechanical + electrical systems Ability to: • Work in fast-paced manufacturing environments, • Support parallel operations and production ramp., • Manage multiple priorities with strong ownership. Strong problem-solving and analytical skills Effective communication and teamwork skills across engineering disciplines PHYSICAL REQUIREMENTS: • Ability to work on the production floor and lab environments, • Capable of lifting equipment and performing hands-on setup and testing, • May require extended periods of standing and working with equipment. Must be US Citizen or Permanent Resident Green card holder or have a legal US work permit. This job description may not be inclusive to the duties and responsibilities listed. Additional tasks may be assigned to the employee from time to time or the scope of the job may change as needed by business demands. AST SpaceMobile is an Equal Opportunity, at will Employer; employment is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Job Description AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview The Engineering Development Program (EDP) is designed for exceptional recent graduates who want to become spacecraft engineers by first learning how satellites are physically built. Participants in this program will begin their careers working directly on the spacecraft production floor as Engineering Technicians supporting Environmental Test Operations. In this role, participants will gain hands-on experience integrating and testing subsystems and satellites to qualify and validate AST SpaceMobile satellites. As participants demonstrate technical capability and leadership potential, they will progress through a structured development path: Engineering Technician → Engineering Technician Supervisor → Associate Engineer This program provides a rare opportunity to develop engineers who understand spacecraft hardware from the ground up—combining hands-on spacecraft assembly experience, early leadership development, and a clear transition into an engineering role. Participants will gain direct experience testing flight hardware, leading technical teams, and supporting spacecraft production at scale. Key Responsibilities Phase 1 – Engineering Technician Participants begin the program working directly with spacecraft hardware supporting environmental test which includes Thermal Vacuum (TVAC), Vibration, Shock and Acoustics. Responsibilities include: • Perform Thermal Vacuum (TVAC) testing, including chamber setup, instrumentation routing, leak checks, pump-down operations, and test monitoring., • Operate vibration test systems (sine, random, shock) including fixture setup, software configuration, and accelerometer instrumentation., • Conduct environmental screening on subassemblies (thermal cycling, burn-in, thermal balance, etc.)., • Install, route, and verify test instrumentation including thermocouples, accelerometers, etc., • Validate data acquisition system (DAS) configuration and ensure accurate sensor readings., • Document test results, anomalies, and configuration changes in accordance with engineering and quality standards., • Support lifting, securing, and fixturing flight hardware using cranes, overhead hoists, and support equipment., • Assist engineers in writing, reviewing, and updating test procedures and work instructions This phase focuses on developing a deep understanding of environmental test and proper flight hardware handling. Phase 2 – Engineering Technician Supervisor After demonstrating strong technical performance and leadership capability, participants will transition into a supervisory role supporting solar array production operations. Responsibilities include: • Lead Environmental Test Operations: Oversee daily activities including thermal-vacuum, vibration, shock, acoustic, and related tests, • Plan and Prioritize Work: Develop schedules, assign tasks, and adapt plans to meet shifting priorities and deadlines, • Develop and Maintain Documentation: Author, update, and train staff on test procedures, SOPs, and quality/process documentation, • Monitor and Report Metrics: Track staffing levels, throughput, and resource utilization; prepare performance reports for leadership, • Troubleshoot and Resolve Issues: Investigate test failures and non-conformances; perform root-cause analysis and implement corrective actions, • Ensure Compliance: Enforce health, safety, and environmental regulations across all operations, • Mentor and Develop Team: Provide training, performance feedback, and support hiring efforts to grow team capabilities, • Collaborate Cross-Functionally: Interface with design, manufacturing, supply chain, quality, and facilities teams; promote cross-training initiatives, • Provide Hands-On Support: Assist with environmental testing as needed to ensure successful execution This phase provides early leadership experience managing a technical teams responsible for environmental testing of flight spacecraft hardware. Phase 3 – Associate Engineer Upon successful completion of the development program, participants transition into an Associate Engineer role supporting spacecraft production and integration. Responsibilities include: • Perform Thermal Vacuum (TVAC), vibration, and shock testing on components, subsystems, and fully assembled satellites., • Coordinate logistics and scheduling with internal engineering teams and external test facilities., • Work with and oversee environmental test vendors during off-site testing campaigns., • Support test article instrumentation (e.g., thermocouples, accelerometers, strain gauges) and data acquisition system setup., • Analyze test data, interpret results, and provide actionable feedback to design and manufacturing groups., • Own, operate, and maintain internal environmental test infrastructure, ensuring compliance with safety protocols., • Lead root cause analysis and drive the resolution of test anomalies and failures., • Contribute to the continuous improvement of test processes, procedures, and documentation., • Serve as the subject-matter expert on environmental test equipment and methodologies. Participants completing the program transition into engineering roles with a unique advantage—direct experience with handling spacecraft hardware and successfully executing environmental testing. Qualifications Education Bachelor's degree in one of the following fields: • Aerospace Engineering, • Mechanical Engineering, • Electrical Engineering, • Physics or related technical discipline Experience • Recent graduate or early-career engineer with strong academic performance., • Hands-on engineering project experience through internships, research labs, or academic programs., • Experience working with mechanical assemblies, electronics, robotics, or hardware systems preferred., • Demonstrated interest in spacecraft systems, aerospace manufacturing, or hardware engineering. Preferred Qualifications • Experience working with mechanical assemblies, wiring harnesses, or electromechanical systems., • Exposure to aerospace manufacturing, spacecraft systems, or cleanroom environments., • Experience with bonding, adhesives, or precision assembly processes., • Participation in engineering project teams, robotics competitions, or hardware-based research projects. Soft Skills • Strong curiosity and desire to understand how complex hardware systems are tested., • Demonstrated leadership potential and ability to motivate and guide technical teams., • Strong problem-solving mindset and attention to detail., • Excellent communication and collaboration skills., • Ability to thrive in a fast-paced engineering and production environment. Technology Stack Engineering & Manufacturing Tools • Precision mechanical assembly tools, • Electrical harness installation equipment, • Adhesive and bonding application Software & Productivity Tools • Microsoft Office Suite, • Engineering documentation systems Physical Requirements • Ability to perform hands-on work with spacecraft hardware and mechanical assemblies., • Ability to stand for extended periods while performing integration and closeout operations., • Ability to work in cleanroom environments under strict ESD and FOD control protocols., • Ability to lift and move equipment up to 25 pounds as required for spacecraft integration tasks., • Position is based at the Midland, Texas facility and requires on-site collaboration with spacecraft production and engineering teams. This job description may not be inclusive to the duties and responsibilities listed. Additional tasks may be assigned to the employee from time to time or the scope of the job may change as needed by business demands. AST SpaceMobile is an Equal Opportunity, at will Employer; employment is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Job Description Electrical Battery Field Technician - UPS / ATS / Generators / Switchgear / Transformers URGENT NEED! The Electrical Battery Field Technician supports all phases of project life cycles with a focus on onsite coordination, equipment testing, and project scheduling. Working cross-functionally with Service, Project Management, Accounting, Logistics, and Estimating teams, this role ensures successful execution of field operations and high-quality installations in compliance with industry standards. Key Responsibilities Develop and manage project schedules and coordinate with subcontractors. Conduct site visits, review electrical plans, and assist in estimate development. Supervise equipment installation, startup, and Integrated Systems Testing (IST). Perform commissioning, testing, maintenance on critical power systems: UPSs, ATSs, PDUs, generators, batteries, transformers, switchgear and related. Ensure safety and compliance during all onsite activities. Support administrative and logistical functions, including documentation and reporting. Qualifications High school diploma or GED required; 3+ years of related electrical experience. • Commissioning, testing, maintenance on critical power systems: UPSs, ATSs, PDUs, generators, batteries, transformers, switchgear and related. Strong understanding of project management, electrical systems, and equipment testing procedures. Valid driver’s license with the ability to travel. Must pass background and driving record checks. Skills & Expectations Strong judgment, confidentiality, and professionalism. Ability to multitask, prioritize, and adapt in fast-paced environments. Effective communication, documentation, and problem-solving abilities. Technically adept and committed to ongoing learning. Please send a current copy of your resume with work history to for consideration. All communications are 100% confidential. To apply, send your resume to Patrick DelGaone Keywords: Electrical Engineer, Mission Critical equipment, Data Centers, Control Systems, Technical Leadership, Project Execution, generators, UPS, PDU, RRP, Substations, Switchgear, Power Distribution Units (PDU), ATS (Automatic Transfer Switches), STS (Static Transfer Switches), electrical utility infrastructure, distributed energy resources, (microgrids, battery storage systems, backup power solutions), renewable energy projects (solar, wind, hybrid systems), emergency power solutions (generators, UPS, systems), Power Generation, Gas Turbines, Steam Turbines, Heat Recovery Steam Generators (HRSGs), and Generators. critical infrastructure, data center, mission critical infrastructure, MEP, Project Management, Electrical Power Systems, Construction Management, Engineering, Mission Critical, Quality Assurance, Safety Culture, Integrated Delivery, Project Execution. #Energy #Midsenior #Libertyjobs Company DescriptionLibertyjobs.com has become an essential destination site for experienced job seekers. Our recruiters are continually posting active job openings to the website. Feel free to search our database of open positions and apply for your next career move! Hundreds of new jobs are listed on the site every month in a wide range of industries and locations. Last year we had over 900,000 unique job seekers visit our website, which means over 75,000 skilled job seekers search our openings every month. Established in 2003, Liberty Personnel quickly grew into one of the largest technical recruiting agencies on the East Coast. Today, Liberty Personnel has a national presence and a diverse client base. Listed below are a number of the industries and openings we work on: Information Technology, Software Programmers, Engineering, Manufacturing, Legal, Plant Maintenance, Construction, Oil and Gas, Medical Communications, Accounting, Finance, Electronics, Scientific, Medical Device, Sales, Pharmaceutical, Admin, Automation, Controls, Civil, HVAC, Wastewater, Structural, Electrical, Chemists, Validations, Logistics, Food Production, Renewable Energy and Machinists.Libertyjobs.com has become an essential destination site for experienced job seekers. Our recruiters are continually posting active job openings to the website. Feel free to search our database of open positions and apply for your next career move!\n\nHundreds of new jobs are listed on the site every month in a wide range of industries and locations. Last year we had over 900,000 unique job seekers visit our website, which means over 75,000 skilled job seekers search our openings every month.\n\nEstablished in 2003, Liberty Personnel quickly grew into one of the largest technical recruiting agencies on the East Coast. Today, Liberty Personnel has a national presence and a diverse client base. Listed below are a number of the industries and openings we work on:\n\nInformation Technology, Software Programmers, Engineering, Manufacturing, Legal, Plant Maintenance, Construction, Oil and Gas, Medical Communications, Accounting, Finance, Electronics, Scientific, Medical Device, Sales, Pharmaceutical, Admin, Automation, Controls, Civil, HVAC, Wastewater, Structural, Electrical, Chemists, Validations, Logistics, Food Production, Renewable Energy and Machinists.

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