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Job DescriptionDescription As a Senior Propulsion Component Engineer (Fluids) at Impulse, you will own all aspects of component design from concept to product realization, while working closely with a fast-paced, agile team that strives to make a high-performance spacecraft from a clean sheet design. Responsibilities • Design propulsion system valves and fluid components including cryogenic, high pressure and high temperature systems, • Own all aspects of component design from initial concepts to product realization, • Generate detailed CAD models and manufacturing drawings, • Perform fluid, thermal, and structural analysis as required, • Establish assembly procedures and work hands-on with technicians to refine this process, • Define and support rigorous component development and qualification testing, • Resolve technical issues with innovative and resourceful solutions Minimum Qualifications • Bachelor’s degree in engineering or related field, • 5+ years of demonstrated experience in valve or component design, • A strong understanding of component design including: materials selection, compatibility, seals, wear, and force/torque margin determination., • Hands-on experience working with fluid, electrical and mechanical systems, • Demonstrated proficiency in CAD software with ability to learn new tools, • Demonstrated ability in requirements definition, conceptual design, procurement, fabrication, assembly and testing of hardware Preferred Skills and Experience • Experience designing and operating high reliability, high performance hardware, • Experience with low leakage, on-orbit propulsion components, • Experience in a startup or agile development environment, • Flexible schedule and willing to travel as needed Additional Information: Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. Impulse Space’s spacecraft manufacturing business is subject to U.S. export regulations including the International Traffic in Arms Regulations (ITAR) and Export Administration Regulations (EAR). This position requires applicants to be either U.S. Persons (i.e., U.S. citizen, U.S. national, lawful permanent U.S. resident (green card holder), an individual granted asylum in the U.S., or an individual admitted in U.S. refugee status) or persons eligible to obtain an export license from the U.S. Departments of State, Commerce, or other applicable U.S. government agencies. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space 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 DescriptionSalary: $125,000 to $175,000 depending on experience Job Description Quantum Space is redefining mobility and autonomy beyond Earth orbit. Our Ranger spacecraft deliver high delta-V and sustained on-orbit maneuverability, enabling missions across cislunar and geostationary space that were previously out of reach. We are building the vehicles, infrastructure, and operational expertise that connect and protect assets across the EarthMoon system. Who Were Looking For We are seeking a Mechanical Engineer III to lead the design and development of electric propulsion hardware and associated subsystems, from concept through flight. This role is intended for an experienced engineer who can own propulsion-related hardware, drive design decisions, and deliver flight-ready systems.You will operate at the intersection of mechanical design, thermal management, and high-performance hardware development, working closely with propulsion, systems, and test teams. Where Youll Make an Impact • Own mechanical design of electric propulsion subsystems (thruster assemblies, structural interfaces, feed systems, thermal management hardware), • Lead architecture and packaging trades for propulsion integration, • Develop and release high-quality CAD models and drawings with full GD&T, • Perform and guide structural and thermal analysis (including high-temperature and vacuum environments), • Drive integration and testing of propulsion systems, including anomaly resolution and root cause analysis, • Define and execute verification strategies (analysis, inspection, test), • Lead design reviews (PDR/CDR) and communicate technical decisions clearly, • Coordinate with suppliers and manufacturing partners for precision and high-performance components, • Mentor junior engineers and elevate team technical capability, • Ensure designs meet performance, manufacturability, and reliability requirements What It Takes • BS or MS in Mechanical Engineering or related field, • 510+ years of experience developing hardware, preferably in high-performance aerospace systems, • Strong proficiency in Creo (or similar CAD) and drawing release processes, • Deep understanding of GD&T (ASME Y14.5), • Experience owning hardware through full lifecycle (design build test qualification/flight), • Strong background in structural and thermal analysis, • Proven ability to lead technical efforts and drive decisions, • Strong troubleshooting and root cause analysis capability, • Ability to work on-site in the LA area Nice-to-Have Experience • Direct experience with electric propulsion systems, • Familiarity with plasma environments and material selection for EP systems, • Experience with thermal management in high-power-density systems, • Proficiency with FEA tools (ANSYS, Nastran, etc.), • Experience with environmental testing (TVAC, vibration, life testing), • Familiarity with PLM systems (Windchill or similar) What Youll Get • Ownership Lead development of critical propulsion hardware, • Technical Depth Work on cutting-edge electric propulsion systems, • Leadership Mentor engineers and influence system architecture, • Compensation Competitive salary, equity, and comprehensive benefits Additional Requirements To comply with U.S. Government space technology export regulations, including ITAR, applicants must be a U.S. citizen, lawful permanent resident, protected individual per 8 U.S.C. 1324b(a)(3), or eligible to obtain required authorizations.

Job DescriptionSalary: $70,000 - $100,000 Job Summary: This position is focused on the mechanical design, development, and manufacturing of stationary and mobile antenna systems and related equipment. Essential Job Duties and Responsibilities: • Works as part of an integrated product team under the direction of a lead Mechanical Engineer and Program Manager, • Provide effective design support during the conceptual and detailed design phases of a product development program, • Perform hands-on design and analysis, • Prepare and present design and analysis material during internal and customer design reviews, • Prepare detailed product manufacturing documentation such as test procedures and assembly instructions, • Support component and antenna system level environmental testing, • Interface with ThinKom production personnel and outside suppliers during the manufacturing phase of programs, • Support business development activities by providing input for proposals Skills and/or Experience Needed: • BS in Mechanical or Aerospace Engineering, • 2+ years of experience in the field of Mechanical Engineering and product design and development desired, but not mandatory, • Knowledge in the areas of materials, structural and thermal analysis, dynamics, vibration and mechanical shock, heat transfer, and finite element analysis, • Knowledge of metal fabrication techniques such as machining, sheet metal, and forming, along with some experience with injection molded plastics and cast metal part design preferred, but not mandatory, • Solid model design, geometric dimensioning and tolerancing, and detailed drawing experience, preferably using Creo or similar CAD software, • Technically proficient in MS Office products Other Abilities: • Must have excellent problem-solving abilities, • Ability to communicate clearly, both verbally and in written form, • Interpersonal skills to effectively work with ThinKom personnel as well as suppliers and customers, • Ability to effectively present information in team meetings and design reviews Additional Requirements: • Must be eligible to obtain and hold a US DoD Security Clearance in support of US Government contracts/ subcontracts, • Follow ThinKom corporate policies and design procedures Physical Demands: • Ability to travel up to 10% of the time, • This position uses a computer terminal to access, input, and retrieve data, • This position may be subject to interruptions that may cause a change in immediate priorities and/or work focus, • While performing duties of this position, employee is occasionally required to stand, walk, sit, stoop, reach, and/or bend, • May occasionally lift and/or move files or boxes up to 50 pounds, • May be subjected to occasional irregular or extended work hours, • May be required to sit for extended lengths of time, • Must be able to work in an environment that may be subjected to occasional loud noises, hazardous materials, chemicals and, electromagnetic energy Salary Range - $70,000 - $100,000 ThinKom offer generous benefits including: Medical, Dental, Vision, Disability, Life, 401k Matching (4%), PTO, paid Holidays and Bonus Plan. ThinKom Solutions is an Equal Employment Opportunity Employer. ThinKom Solutions is a Drug and Alcohol free working environment with a zero-tolerance policy.

Job DescriptionDescriptionAs a Supplier Quality Engineer at Impulse, you will be responsible for ensuring the quality and performance of components and materials from our suppliers. You will work closely with cross-functional teams to uphold high standards throughout the product lifecycle. In this role, you’ll leverage your technical expertise and problem-solving skills to drive continuous improvement, resolve quality issues, and optimize supplier relationships. Responsibilities • Manage the issue ticket landscape related to vendor performance and prescribe specific actions to improve quality, eliminate recurring non-conformances, and mitigate supply chain risks, • Qualify parts and oversee the manufacturing process with vendors, • Review and assess supplier manufacturing processes and quality systems, including new supplier onboarding and audit evaluations, • Own and manage non-conformances identified at vendors (Supplier Deviation Requests) and during production. Partner with vendors to implement new processes or actions that reduce recurring issues and mitigate supply chain risks, • Drive improvements in existing quality management processes while collaborating with vendors to enhance their performance, • Manage containment, receiving, and precision inspection non-conformances, and develop resolutions for existing issues. Identify and implement improvements to reduce the overall issue ticket landscape, • Foster improvements within the supply base to create a more stable and reliable supply chain., • Provide technical support onsite at suppliers to ensure part reliability, • Collaborate closely with Engineering, Procurement, and Production teams to ensure that high-quality parts and services meet all requirements, • Analyze quality metrics to identify trends and root causes of systemic issues, • Execute non-conformance management processes, including SDR, MRB, RTV, CAPA, and Production Issue Ticket reviews, • Support containment actions related to non-conforming products, including identifying product locations, coordinating with Supply Chain Reliability Engineers to mitigate flight risks, and conducting root cause analysis Minimum Qualifications • 2+ years of experience in an engineering, supply chain, manufacturing, or quality-related field, and a Bachelor's degree in Engineering, Supply Chain, or a related discipline, • Experience with Lean, Six Sigma, or other continuous improvement methodologies, • Knowledge of component manufacturing processes, quality standards, and certifications (e.g., AS9100, ISO 9001), • Ability to read and interpret technical drawings and specifications, • 4+ years of experience in Supplier Quality Engineering or a similar role within the aerospace, manufacturing, or a related industry, • Strong understanding of quality management systems (QMS), supplier audits, and non-conformance management processes (SDR, MRB, CAPA, RTV), • Strong problem-solving abilities with a proven track record of driving root cause analysis and implementing corrective actions, • Excellent communication and interpersonal skills, with the ability to collaborate effectively across teams and with suppliers, • Experience using quality management tools and software (e.g., Minitab, SAP, or similar ERP systems), • Proficiency with data analysis tools such as Excel, Power BI, or other analytics platforms Additional Information: Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space 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 Who We Are AMPAM is a leading Mechanical, Electrical, and Plumbing (MEP) contractor serving large-scale multifamily and commercial projects across California. With 1,500 employees across multiple business units, we are committed to delivering quality, safety, and excellence in every project. Job Summary Design Engineer II is responsible for performing detailed engineering design and analysis for mechanical, electrical, and plumbing (MEP) systems in multi-family new construction projects. This position requires a solid understanding of building systems design, intermediate technical experience, and the ability to work both independently and collaboratively with project teams. Design Engineer II plays a key role in developing coordinated construction documents, performing engineering calculations, and ensuring designs meet project requirements, codes, and standards. Key Responsibilities Include: (But not limited to the following) Design & Engineering • Develop plumbing, HVAC, and electrical designs from concept through construction documents for multi-family residential buildings., • Perform engineering calculations, including heating/cooling loads, ventilation rates, equipment selection, duct/pipe sizing, and electrical load analysis., • Prepare and review technical drawings, schedules, and specifications using AutoCAD and Revit., • Apply relevant codes and standards (CPC, CMC, NEC, ASHRAE, ASPE, IECC, NFPA, ADA, and local building codes)., • Serve as the primary design contact for assigned projects, coordinating with project managers, clients, and contractors., • Participate in design and coordination meetings to resolve technical issues and ensure design intent is maintained., • Conduct QA/QC reviews of drawings and documents prepared by junior staff or technicians., • Provide technical guidance and mentoring to Design Engineer I and Design Technician team members. Education & Experience • Bachelor’s degree in Mechanical Engineering, Electrical Engineering, or Architectural Engineering from an accredited program., • 3–6 years of relevant experience in MEP design for building systems (multi-family or mixed-use projects preferred)., • Proficiency in AutoCAD and Revit required; familiarity with Navisworks, Bluebeam, or BIM 360 preferred., • Strong understanding of HVAC, plumbing, and electrical system design, including energy efficiency and sustainability considerations., • Ability to perform and review engineering calculations with accuracy and sound judgment., • Excellent communication and collaboration skills across multiple project stakeholders., • Highly organized, with the ability to manage multiple priorities and meet deadlines.

Job DescriptionDescriptionAs an Automation & Controls Engineer at Impulse, you will be responsible for the design and commissioning of industrial machinery and systems for R&D, test, and production while working closely with a fast-paced, agile team. Responsibilities • Own all aspects of equipment design from concept, requirements, and commissioning, • Generate necessary schematics and for electrical and fluid systems in EPlan to required standards, • Write and debug software for PLCs in TwinCAT that is maintainable and scalable, • Programming of various industrial controls hardware (VFDs, motor starters, PLCs, etc.), • Selecting of application specific hardware (circuit protection, VFDs, motion systems, robots, etc.), • Development of HMIs that are easy to use, functional, and can be used for diagnostics & troubleshooting, • Bachelor's degree in a relevant engineering field, • Familiarity of PLC systems, • Object oriented programming in structured text per IEC 61131-3, • Industrial Safety, • Schematic design with EPlan, • 3D Control panel design with EPlan ProPanel, • Troubleshooting electrical and mechanical systems, • Understanding of ISO 13849, ANSI B11, or IEC 61508 safety standards, • Knowledge of UL508A, NFPA 70, NFPA 79 standards, • Familiarity with industrial protocols such as EtherCAT, Profinet, IO-Link, etc., • Work with external vendors and manufacturers for sourcing hardware and solutions, • Experience with hazard risk assessments and mitigation plans Additional Requirements: Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space 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 DescriptionDescriptionAs a Build Reliability Engineer (Kick Stage) at Impulse, you will own the connection between design intent, manufacturing execution, and flight performance for the Helios Kick Stage and supporting hardware. You will work hands-on with technicians, manufacturing engineers, and design teams to prevent defects before they occur, rapidly diagnose failures, and continuously improve hardware reliability across spacecraft builds. Responsibilities • Support Helios Kick Stage, Composites, Propulsion, and Welding sub-teams at Impulse, • Partner with design, manufacturing, and integration teams to ensure hardware is built reliably and repeatably from prototype through production, • Support early development test and build campaigns to characterize hardware performance, material properties, and design decisions, • Identify, investigate, and eliminate build defects through structured root cause analysis and corrective actions, • Evaluate cross-discipline kick stage vehicle requirements (propulsion, structures, avionics, etc.) to ensure component and system-level requirements align, • Develop inspection, acceptance, and quality control processes aligned with hardware reliability requirements, • Support hardware integration, test, and environmental campaigns by diagnosing anomalies and driving resolution to closure, • Provide design-for-reliability and manufacturability feedback during design reviews and build planning, • Develop and implement MRP/ERP improvements for improved hardware handling, trace, data collection, and overall reliability, • Develop and implement build quality metrics to heighten awareness and to improve quality landscape over time, • Audit production floor processes against process requirements, • Identify requirement gaps and write specifications to fill those gaps, • Implement projects to improve manufacturing reliability, • Own training and certification of elevated sign-off privileges for processes, • Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, Manufacturing Engineering, or related field, • 3+ years of experience in hardware manufacturing, aerospace, automotive, or high-reliability systems, • Demonstrated experience supporting production builds, integration, or test of primary structures and/or complex mechanical or electromechanical systems, • 4+ years of demonstrated build reliability experience with spacecraft, launch vehicles, aviation, robotics, or defense hardware, • Familiarity with AS9100, ISO 9001, or similar quality systems (practical application preferred over documentation focus), • Demonstrated experience with reliability engineering concepts (FMEA, reliability growth, Weibull analysis), • Demonstrated background working closely with technicians and production teams, • Demonstrated experience supporting rapid development or prototype-to-production transitions Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. Impulse Space’s spacecraft manufacturing business is subject to U.S. export regulations including the International Traffic in Arms Regulations (ITAR) and Export Administration Regulations (EAR). This position requires applicants to be either U.S. Persons (i.e., U.S. citizen, U.S. national, lawful permanent U.S. resident (green card holder), an individual granted asylum in the U.S., or an individual admitted in U.S. refugee status) or persons eligible to obtain an export license from the U.S. Departments of State, Commerce, or other applicable U.S. government agencies. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space 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 Role Overview Radiant is seeking a Loads & Dynamics Engineer to own and execute structural loads, vibration, and dynamic analyses for complex mechanical systems associated for Kaleidos, the worlds first portable microreactor and supporting hardware. You will play a critical role in ensuring structural integrity and survivability across all phases of the product lifecycle, including manufacturing, transportation, handling, deployment, and operational environments. This role requires a hands-on engineer who is comfortable working in ambiguous, fast-paced environments and collaborating closely with structures, mechanical design, thermal, nuclear, and test teams. Responsibilities * Develop and own static, dynamic, and transient loads for reactor systems, support structures, and transport configurations * Perform structural dynamics analyses, including modal, random vibration, shock, sine vibration, and fatigue assessments * Implement explicit dynamics simulations to model nonlinear reactor response under transient seismic and transportation event cases * Define and analyze transportation and handling environments, including shock and vibration from road, rail, air, or sea transport * Generate load cases and environments to support structural sizing, design margins, and verification plans * Conduct finite element analyses (FEA) using tools such as ANSYS, Abaqus, or similar tools * Collaborate with design engineers to influence hardware architecture, material selection, and joint design * Support test planning and correlation, including shaker tests, modal surveys, and structural verification testing * Develop and maintain analysis documentation, reports, and requirements for internal reviews and regulatory interfaces * Contribute to failure investigations, root cause analyses, and design improvements * Help establish best practices for loads, dynamics, and structural verification within a growing engineering organization Required Qualifications * Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, Structural Engineering, or a related field * 3+ years of experience in loads, dynamics, or structural analysis for complex mechanical systems * Strong fundamentals in structural mechanics, dynamics, and vibration * Experience with finite element modeling and analysis of metallic and composite structures * Proficiency with industry-standard FEA tools (e.g., ANSYS, Abaqus, Nastran) * Familiarity with design allowables, safety factors, and margin-of-safety methodologies * Ability to work cross-functionally and communicate analysis results clearly to both technical and non-technical stakeholders Preferred Qualifications * Experience in aerospace, launch, defense, nuclear, or heavy industrial hardware environments * Dynamics modeling software experience (LD-Dyna, Abaqus explicit, or other) * Background in shock and vibration testing and test-article correlation * Knowledge of fatigue, fracture mechanics, and bolted joint analysis * Experience defining or interpreting environmental specifications and requirements * Master’s degree or PhD in a relevant engineering discipline * Familiarity with nuclear, spaceflight, or safety-critical system requirements Benefits and Perks * Stock: Substantial incentive stock plan for all full-time employees. * Medical: 100% up to base silver level plan for employee + 50% dependents, offers up to Platinum plans. * One Medical: Sponsored memberships for employees and their dependents. * Vision: 100% top tier plan coverage + 50% for dependents. * Dental: 100% top tier plan coverage, orthodontia extra, 50% for dependents. * Voluntary life, accident, hospital, critical illness, commuter and FSA/HSA are offered as employee contributed benefits. * 8-weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees. * Daily catered lunch. Free snacks and drinks. * Flexible PTO policy. Remote workday allocation. * Company and team-bonding events, happy hours and in-person camaraderie. * Beautiful El Segundo headquarters close to the Pacific Ocean. Total Compensation and Benefits Radiant compensates people for impact and invests in those who continue to raise the bar. Radiant’s new hire compensation package includes base salary, substantial equity grants, and comprehensive health benefits. Total compensation and level are determined through a rigorous evaluation of interview performance, experience, education, and qualifications, and are designed to support continued growth as scope, responsibility, and impact expand at Radiant. The best of today’s advanced reactor builders don’t wait for job postings. They join the winning team. If that’s you, contact us directly for immediate opportunities: . We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law. Unfortunately, we are unable to provide visa sponsorship at this time. This position involves access to technology that is subject to U.S. export controls. Any job offer made will be contingent upon the applicant’s capacity to serve in compliance with U.S. export controls. Compensation Range: $106,500 - $146,475

Job Description Senior Automation & Controls Engineer Radiant is seeking a highly motivated senior automation and controls engineer who will be working close with design and manufacturing engineers to design, build, and implement automated production and test equipment to support mass production and refueling of our microreactor technology. Responsibilities and Duties: * Design, develop, and manage automation projects - this includes equipment ideation, machine commissioning, proof of rate capability, quality and reliability studies, and eventual hand-off to operational teams. * Architect, write, and debug PLC code with an emphasis on generating code that is organized, structured, documented, maintainable, and reusable for high-volume manufacturing applications. * Keep our factory safe and reliable by implementing ANSI/RIA R15.06 and OSHA compliant systems for robots, gantries, conveyors, and other manufacturing equipment. * Design electrical systems compliant to NEC, NFPA, and UL508A regulations. * Select and size electrical and electromechanical components such as servo motors and controllers. * Manage electrical cabinet builds, field wiring, pneumatic and fluid plumbing. * Generate aesthetically simple HMI screens to make complex machines easy to understand, operate, and troubleshoot. Required Skills and Qualifications: * Bachelor’s degree from an accredited institution in an engineering, physics, or computer science discipline. * 4+ years of experience in the design and commissioning of automation and controls systems for industrial applications. Desired Skills and Qualifications: * Master’s degree from an accredited institution in an engineering discipline. * Process integration and electromechanical/mechatronic systems experience. * Experience in a variety of robotic weld applications (Kuka, ABB & Fanuc). * Robot and PLC simulation experience. * Electrical schematic CAD experience using Zuken E3. * C#, .NET, python and/or SQL experience. * PLC programming experience, preferably Beckhoff TwinCat 3. * HMI and SCADA programming experience, preferably Inductive Automation Ignition. * Field bus networks, serial communication and Ethernet communication. * Hands-on experience building and commissioning high quality electrical control panels and electro-mechanical systems. * Knowledge of NEC, NFPA 79, UL508A codes. * Strong problem-solving skills and attention to detail. * Self-motivated with strong organizational, written, and oral communication skills. * Demonstrated ability to work collaboratively with design and operations teams. Additional Requirements: * Must be willing to work extended hours and weekends as necessary to achieve company goals. * Must work 100% onsite at El Segundo HQ. Benefits and Perks * Stock: Substantial incentive stock plan for all full-time employees. * Medical: 100% up to base silver level plan for employee + 50% dependents, offers up to Platinum plans. * One Medical: Sponsored memberships for employees and their dependents. * Vision: 100% top tier plan coverage + 50% for dependents. * Dental: 100% top tier plan coverage, orthodontia extra, 50% for dependents. * Voluntary life, accident, hospital, critical illness, commuter and FSA/HSA are offered as employee contributed benefits. * 8-weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees. * Daily catered lunch. Free snacks and drinks. * Flexible PTO policy. Remote workday allocation. * Company and team-bonding events, happy hours and in-person camaraderie. * Beautiful El Segundo headquarters close to the Pacific Ocean. Total Compensation and Benefits Radiant compensates people for impact and invests in those who continue to raise the bar. Radiant’s new hire compensation package includes base salary, substantial equity grants, and comprehensive health benefits. Total compensation and level are determined through a rigorous evaluation of interview performance, experience, education, and qualifications, and are designed to support continued growth as scope, responsibility, and impact expand at Radiant. The best of today’s advanced reactor builders don’t wait for job postings. They join the winning team. If that’s you, contact us directly for immediate opportunities: . We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law. Unfortunately, we are unable to provide visa sponsorship at this time. This position involves access to technology that is subject to U.S. export controls. Any job offer made will be contingent upon the applicant’s capacity to serve in compliance with U.S. export controls. Compensation Range: $158,000 - $219,450

Job DescriptionDescriptionAs a Senior Propulsion Development Engineer (Fluids) at Impulse, you will own all aspects of in-house propulsion system design, analysis, implementation and operation while working closely with a fast-paced, agile team that produces high-performance spacecraft from clean sheet designs. Building off our successful Mira spacecraft program, Impulse is developing new propulsion systems for on-orbit applications as well as Lander applications. Impulse is looking for development engineers who can contribute to these key hardware development projects. Responsibilities • Own all aspects of a storable, liquid propellant system development, • Architect and layout fluids systems on a high delta-V, storable propellant propulsion system, • Conduct analysis and testing to ensure that the performance and function of hardware meets intent, • Prepare, plan and execute tests including propellant and pressurization system testing, • Work with wide-ranging teams across engineering, manufacturing and operations to deliver a reliable, high-performance and highly integrated system, • Resolve technical issues with innovative resourceful solutions, • Bachelor's degree in engineering or science, • 5+ years of demonstrated experience in the aerospace propulsion field, • Prior experience working liquid rocket propulsion systems, including hardware and test experience with flow control systems., • Proficiency in basic principles of fluids, thermodynamics, heat transfer, mechanics and materials, • Ability to perform system trades ranging from thermal-fluids analyses to materials selection, • Hands-on experience working with fluid, mechanical, electrical and controls systems, • Advanced degree in Mechanical, Aerospace, or a comparable field., • Experience working in fast-paced, startup environment., • Demonstrated technical project leadership over propulsion development programs, • Prior experience with propulsion system architecture and layout for low mass fraction vehicle designs, • Prior experience with nitrous oxide as a propellant, • Proficiency in CAD software with ability to learn new tools, • Cross disciplinary fluid analysis experience (e.g. hand calc, fluid network modeling)., • Familiarity with aerospace structural analysis standards pertinent to liquid rocket engine development (e.g. NASA-STD-5012, NASA-STD-5020), • Excellent verbal and written communication skills.Additional Requirements:, • Flexible schedule and willing to travel as needed Additional Information: Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. Impulse Space’s spacecraft manufacturing business is subject to U.S. export regulations including the International Traffic in Arms Regulations (ITAR) and Export Administration Regulations (EAR). This position requires applicants to be either U.S. Persons (i.e., U.S. citizen, U.S. national, lawful permanent U.S. resident (green card holder), an individual granted asylum in the U.S., or an individual admitted in U.S. refugee status) or persons eligible to obtain an export license from the U.S. Departments of State, Commerce, or other applicable U.S. government agencies. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space 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 DescriptionDescriptionAs a Thermal &Vacuum Test Engineer at Impulse, you will design, develop, and operate environmental test systems that support qualification and acceptance testing for spacecraft components and integrated systems. The ideal candidate will be responsible for both the engineering design of test assets and hands-on execution of thermal and vacuum tests to validate flight hardware performance under space-like conditions. Responsibilities • Design and build thermal and vacuum test assets, including chambers, thermal control systems, and associated instrumentation, • Develop and maintain test procedures, safety protocols, and configuration documentation for environmental testing, • Operate and maintain thermal vacuum (TVAC) chambers and supporting infrastructure to execute thermal cycling, bake-out, and vacuum performance tests, • Coordinate with design and analysis teams to define test requirements, boundary conditions, and acceptance criteria, • Perform data acquisition and analysis to verify compliance with test objectives and generate detailed test reports, • Ensure system reliability and maintain calibration of temperature and pressure measurement systems, • Troubleshoot and resolve issues with vacuum systems, pumps, heaters, and control electronics, • Drive continuous improvement in test methods, efficiency, and asset capability Minimum Qualifications • Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or related field, • 3+ years of experience in thermal vacuum testing or environmental test system design, • Hands-on experience with vacuum chambers, pumps, thermal control systems, and instrumentation, • Strong understanding of thermodynamics, heat transfer, and vacuum technology principles, • Proficiency in data acquisition and control systems (e.g., LabVIEW, PLCs, or Python-based automation), • Ability to read and interpret mechanical drawings and electrical schematics, • Excellent communication and documentation skills, • Strong problem-solving and troubleshooting capabilities Preferred Skills and Experience • M.S. degree in a relevant engineering discipline, • Familiarity with standards such as NASA GEVS, MIL-STD-1540, or ECSS environmental test requirements, • Experience in aerospace hardware qualification and flight hardware certification testing, • Experience designing or modifying TVAC chambers, including thermal plate design and LN₂ systems, • Knowledge of cryogenic systems, thermal shrouds, or high-vacuum pumping technologies, • Ability to manage multiple test campaigns in a fast-paced environment Additional Information: Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. Impulse Space’s spacecraft manufacturing business is subject to U.S. export regulations including the International Traffic in Arms Regulations (ITAR) and Export Administration Regulations (EAR). This position requires applicants to be either U.S. Persons (i.e., U.S. citizen, U.S. national, lawful permanent U.S. resident (green card holder), an individual granted asylum in the U.S., or an individual admitted in U.S. refugee status) or persons eligible to obtain an export license from the U.S. Departments of State, Commerce, or other applicable U.S. government agencies. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space 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 DescriptionDescriptionAs a Senior Mechanical Engineer for our Electric Propulsion Team at Impulse, you will own the full life cycle of mechanical design for our high-efficiency Hall thrusters and their vehicle interfaces. You will develop solutions involving extreme temperatures, exotic material combinations, and exposure to high-energy plasmas. This role is highly collaborative: you will work closely with engineers and technicians across avionics, test, manufacturing, and vehicle engineering to deliver flight‑ready hardware. You’ll thrive here if you enjoy learning new systems and guiding space hardware from initial design through qualification and production. Responsibilities • Design, analyze, build, test, and document Hall thruster components/assemblies and vehicle interfaces for electric propulsion system hardware, • Define driving load cases and environments in collaboration with loads/dynamics and thermal teams, • Perform structural and thermal finite element analyses of complex assemblies, • Collaborate with partner teams (avionics, software, test, GNC) to deliver a high performing, integrated system, • Support builds from first article through transition to production, incorporating DFM and reliability improvements with the manufacturing team, • Lead discrepancy investigation and root-cause analyses for issues discovered during development, build, and test, • Support ground testing and flight operations of electric propulsion systems, • Create and review engineering drawings and apply GD&T principles Minimum Qualifications • Bachelor’s degree in mechanical engineering or related discipline, • 5+ years of hands-on experience in mechanical design and analysis, • Proficiency in CAD, GD&T, and assembly management, • Demonstrated skill in structural analysis, including finite element modeling and hand calculations, • Familiarity with manufacturing processes including CNC machining, additive manufacturing, and welding, • Master’s degree in Mechanical Engineering or related field, • 7+ years of demonstrated experience designing and analyzing electric propulsion or other plasma-facing hardware design (fusion systems, experimental research devices, semiconductor manufacturing, thin-film deposition, etc), • Experience working in a startup or agile development environment, • Demonstrated experience fully owning the design and delivery of hardware for spaceflight Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. Impulse Space’s spacecraft manufacturing business is subject to U.S. export regulations including the International Traffic in Arms Regulations (ITAR) and Export Administration Regulations (EAR). This position requires applicants to be either U.S. Persons (i.e., U.S. citizen, U.S. national, lawful permanent U.S. resident (green card holder), an individual granted asylum in the U.S., or an individual admitted in U.S. refugee status) or persons eligible to obtain an export license from the U.S. Departments of State, Commerce, or other applicable U.S. government agencies. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space 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 DescriptionDescriptionAs a Mechanical Engineer II at Impulse for our Vehicle Engineering Team, you are responsible for the design, build, test/analysis & integration of your hardware– working with cross-functional engineering teams to accomplish this. This means cradle-to-grave ownership of primary/secondary structure and critical space mechanisms in support of Impulse’s collection of next generation advanced propulsion space vehicles. Responsibilities • Own all aspects of hardware development and execution, from concept through launch and orbital maneuvers, • Formulate the comprehensive cradle to grave Road Map for your hardware, • Establish driving loads and develop efficient structural design using first principles to inform critical architecture decisions on primary and secondary structures, • Perform and document analysis with clear objectives to support design intent including hand calculations, finite element analysis, and kinematic analysis, • Identify, specify, and source commercial components to support design intent as required, • Incorporate manufacturing trades into conceptual design to explore different construction methods including machined, formed, welded, composite, or other opportunities, • Proactively guide all aspects of your hardware’s maturity, project managing your hardware’s end users, stakeholders, and adjacent contributors to ensure all aspects of the system continue to mature together and that your assumptions are well understood outside yourself and remain valid, • Communicate effectively to ensure adjacent designs (such as propulsion, electrical, software and controls subsystems) are accounting for and supporting your hardware assumptions, • Produce engineering drawings with required specifications for manufacturing, • Generate Test Plans and provide direct support to ensure successful execution of your hardware’s structural qualification and acceptance testing., • Work with internal manufacturing team and external sources to procure materials, fabricate parts, and complete assemblies, • Update designs and documentation to support continuous improvement Minimum Qualifications • Bachelor's degree in engineering or related field, • 3+ years of demonstrated experience in mechanical design, • Demonstrated proficiency in CAD software with ability to learn new tools, • Demonstrated ability to model complex shapes including lofting and surfacing, • Demonstrated ability in conceptual design, fabrication and testing of hardware, • Demonstrated experience working collaboratively across different teams, • Ability to communicate technical challenges, explain rationale and/or resolve concerns Preferred Skills and Experience • Masters' degree in mechanical or aerospace engineering, • 1+ years' of demonstrated mechanical design & analysis with space-flown hardware, • 3+ years' of demonstrated understanding of geometric dimensioning & tolerancing (GD&T), • 3+ years' of demonstrated experience with Finite Element Analysis (FEA), • Capable of performing basic structural and thermal analysis in support of design, • In order to be successful in this role, you should be someone who is uniquely creative, self-driven, and is able to lead his or her own projects to completion Additional Information: Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. Impulse Space’s spacecraft manufacturing business is subject to U.S. export regulations including the International Traffic in Arms Regulations (ITAR) and Export Administration Regulations (EAR). This position requires applicants to be either U.S. Persons (i.e., U.S. citizen, U.S. national, lawful permanent U.S. resident (green card holder), an individual granted asylum in the U.S., or an individual admitted in U.S. refugee status) or persons eligible to obtain an export license from the U.S. Departments of State, Commerce, or other applicable U.S. government agencies. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space 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 DescriptionDescriptionAs a Senior Flight Dynamics Engineer at Impulse Space, you will lead the development and operational execution of flight dynamics capabilities across current and future programs. This role spans real-time mission support, automation of maneuver execution, trajectory development for new missions, and advancement of inertial navigation beyond LEO. You will work closely with Space Operations, Mission Design, GNC, and Software to make ambitious trajectories operationally executable. Responsibilities • Support Space Operations in planning, analyzing, and executing nominal and novel orbital maneuvers, • Automate maneuver planning and execution workflows to improve speed, reliability, and scalability, • Build and maintain flight dynamics tools used daily by Space Ops (orbital propagation, targeting, orbital determination, covariance analysis, maneuver reconstruction), • Partner with Mission Design to develop and mature new trajectories for GEO, cislunar, and interplanetary missions, • Contribute to development of inertial navigation and orbit determination capabilities across GEO, cislunar, and deep-space regimes, • Perform trade studies balancing ΔV, time-of-flight, operational complexity, and navigation sensitivity, • Support critical mission phases with high-confidence analysis and rapid turnaround Minimum Qualifications • B.S. in Aerospace Engineering, Astrodynamics, Physics, Applied Mathematics, or related field (M.S. or Ph.D. preferred), • 7+ years of experience in spacecraft flight dynamics, astrodynamics, or mission design, • Demonstrated experience with orbit propagation, maneuver targeting, and covariance analysis, • Experience supporting spacecraft operations or mission-critical events, • Proficiency in Python and/or C++ for engineering tool development, • Experience developing production-quality technical software Preferred Skills and Experience • Experience in GEO, cislunar, or interplanetary mission regimes, • Experience with low-thrust trajectory design and optimization, • Development or maintenance of orbit determination filters (EKF, UKF, batch least squares), • Familiarity with DSN-based navigation, optical navigation, or deep-space tracking, • Experience automating operational flight dynamics pipelines, • Background collaborating closely with GNC and flight software teams Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. Impulse Space’s spacecraft manufacturing business is subject to U.S. export regulations including the International Traffic in Arms Regulations (ITAR) and Export Administration Regulations (EAR). This position requires applicants to be either U.S. Persons (i.e., U.S. citizen, U.S. national, lawful permanent U.S. resident (green card holder), an individual granted asylum in the U.S., or an individual admitted in U.S. refugee status) or persons eligible to obtain an export license from the U.S. Departments of State, Commerce, or other applicable U.S. government agencies. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space 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 DescriptionDescriptionAs a Structural Dynamics Engineer at Impulse, your core responsibility will be to determine and validate loads and environments for full vehicles and component subsystems. You will work closely with a fast-paced, agile team that strives to make a high-performance spacecraft from a clean sheet design. Responsibilities • Determine critical loads during launch, deployment, on-orbit operation, and ground handling, • Generate and apply forcing functions for engine-borne dynamic excitation, • Determine appropriate environments from vibration, acoustic, and shock sources, • Develop and improve finite element models of primary structures and mechanisms, • Develop and integrate Craig-Bampton reduced models for launch vehicle integration, • Generate rigid-body deployment simulations and validate with deployment testing, • Analyze and direct dynamic testing from pre-test analysis to post-test correlation, • Bachelor’s degree in mechanical or aerospace engineering, • 4+ years of demonstrated experience with structural dynamic analysis of high performance systems, • Proficient with at least one industry standard structural FEA package (Femap/Patran/NASTRAN, ANSYS, Abaqus, etc.), • Demonstrated experience solving structural dynamic or vibration driven problems, • Demonstrated experience with time and frequency domain analysis, • Demonstrated proficiency with Matlab, Python or similar applications, • Demonstrated proficiency with CAD software and the ability to learn new tools, • Ability to communicate technical challenges, explain rationale and/or resolve concerns Preferred Skills and Experience • A graduate degree (MS / PhD) in engineering or related field working with numerical methods, • 6+ years hands-on experience with dynamic structural testing, including: random vibration, acoustics, sine vibration, sine burst, shock, and modal survey, • Hands-on experience with sensor selection, test parameter selection, and data analysis, • Working knowledge of launch vehicle loads, • Demonstrated experience with acoustic vibration analysis software such as VA One, • Demonstrated experience working on a launch vehicle or satellite development effort, • Previous experience in a startup or agile development environmentAdditional Information: Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space 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 DescriptionDescriptionAs a Sr. Propulsion Design Engineer at Impulse Space you will own all aspects of propulsion component design from concept to product realization, while working closely with a fast-paced, agile team that strives to make a high-performance spacecraft from a clean sheet design. Responsibilities • Design propulsion system valves and actuators, • Own all aspects of component design from concept to product realization, • Layout complex and highly integrated fluid and mechanical systems, • Generate detailed CAD models and manufacturing drawings, • Perform fluid, thermal, and structural analysis as required, • Work with the team and external sources to procure materials, fabricate parts, and complete assemblies, • Resolve technical issues with innovative and resourceful solutions Minimum Qualifications • Bachelor’s degree in engineering or related field, • 6+ years of experience with flight propulsion components including cryogenic, high-pressure, and high performance applications, • 6+ years of hands-on experience working with fluid, electrical and mechanical systems, • Demonstrated proficiency in CAD software with ability to learn new software tools, • Demonstrated ability in requirements definition, conceptual design, procurement, fabrication, assembly and testing of hardware Preferred Skills and Experience • Experience designing and delivering high reliability, high performance hardware, • Experience with in-space propulsion components, • Experience with Siemens NX, • Strong project management skills and effective communication of technical concepts across multi-disciplinary teams, • Experience in a startup or agile development environment Additional Requirements: Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space 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 Principal Turbomachinery Engineer – Lead the development of next-generation power systems from first principles Hawthorne, CA | On-site Opportunity Summary We are a venture-backed, early-stage energy startup building advanced turbine systems designed to meet the growing demand for efficient and scalable power. The team is rethinking how rotating machinery is designed, developed, and deployed, with a focus on modern engineering approaches and rapid iteration. This role is a core technical leadership position working directly alongside the founding team. You will take ownership of turbomachinery architecture, drive design decisions, and lead development from initial concept through testing and validation. This is a hands-on opportunity to shape both the product and the engineering foundation of the company. About Us We are a small, highly technical team backed by early-stage investors and led by engineers with deep experience in rotating machinery design and development. Our focus is on building high-performance energy systems that address current infrastructure challenges while enabling future power solutions. The team operates with a strong emphasis on speed, ownership, and real-world validation. Job Duties • Lead the design and development of high-speed rotating machinery from concept through validated hardware, • Perform and guide analysis across aerodynamics, thermal systems, structural integrity, and rotordynamics, • Own detailed mechanical design including CAD modeling, material selection, and design for manufacturing and assembly, • Develop and iterate on prototypes, including building and supporting test infrastructure, • Analyze test data to inform design improvements and accelerate development cycles, • Work closely with founders and cross-functional partners to define system architecture and engineering strategy, • Collaborate with external vendors and manufacturing partners to deliver reliable hardware under aggressive timelines, • Establish engineering processes that support rapid iteration and scalable product development Qualifications • Bachelor’s degree or higher in Mechanical Engineering, Aerospace Engineering, or a related field, • 5+ years of experience working with turbomachinery or similar rotating systems such as turbines, compressors, or turbopumps, • Strong foundation in fluid dynamics, thermodynamics, and mechanical system design, • Experience with CAD tools such as NX, SolidWorks, Creo, CATIA, or similar platforms, • Ability to operate effectively in a fast-paced startup environment with high ownership, • Clear communication skills and ability to work across technical and non-technical teams Preferred Experience • Experience with supercritical CO2 or other advanced thermodynamic cycles, • Proven track record of taking rotating machinery from early design through testing and validation, • Background in developing custom test rigs or experimental hardware setups, • Familiarity with high-temperature materials and manufacturing processes, • Prior experience at an early-stage or venture-backed company, • Experience integrating simulation and analysis tools into iterative hardware development workflows Why Join Us • Meaningful equity ownership in an early-stage company, • Opportunity to work directly with technical founders on core product decisions, • High level of ownership and impact across both engineering and company direction, • Exposure to full lifecycle hardware development from concept through deployment Compensation Details $175,000 - $250,000 #LI-AV

Job DescriptionPlease Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State. At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team. We are looking to add a Principal Launch Vehicle Design Engineer II to our team. If you enjoy working in a startup environment, and have expertise in the structural and thermal design of launch vehicle (LV) components and systems, including tanks, fairings, and related hardware, we would like to hear from you In this position, you serve as a subject matter expert, overseeing subsystem development from concept through flight, while ensuring compliance with performance, safety, and reliability requirements. This role requires both deep technical expertise and the ability to guide and mentor engineering teams within a fast-paced start-up environment. The ideal candidate will have a strong background in FEA and thermal simulations, combined with hands-on experience in experimental development and testing of high-performance aerospace systems. This role involves close collaboration with an international R&D team to optimize performance and reliability of LV hardware.JOB DUTIES AND RESPONSIBILITIES • Lead the design, analysis, and development of primary and secondary launch vehicle structures, stage interfaces, and payload accommodations., • Perform static and transient structural and thermal analysis of LV components and systems to ensure mechanical integrity under operational loads., • Develop and execute test programs, analyze experimental data, and apply findings to optimize designs., • Prepare CAD models for FEA analysis and manufacturing., • Generate technical documentation, including reports, specifications, and contributions to PDRs and CDRs., • Collaborate across mechanical, aerospace, and controls engineering teams to deliver flight-ready systems., • Mentor junior and senior engineers to build technical understanding and professional development., • Participate in mission operations, anomaly investigations, and continuous improvement initiatives.JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS, • Master’s degree in Mechanical Engineering, Aerospace Engineering, or a related field., • 11+ years of industry experience in aerospace design and analysis., • Expertise in Ansys tools: Mechanical, Explicit Dynamics (LS-Dyna), Linear and Nonlinear Eigenvalue Buckling, Harmonic Response, and Random Vibrations., • Proficiency in MATLAB for programming, data analysis, and optimization., • Proficiency in CAD tools (SolidWorks, NX)., • Strong foundation in systems engineering principles, requirements flowdown, and integration., • Hands-on experience with hardware development, testing, and qualification., • Strong analytical and problem-solving skills with close attention to detail., • Excellent written and verbal communication skills.PREFERRED EXPERIENCE, • Prior experience with cryogenic systems, liquid rocket systems, and LV components., • Hands-on experience designing and improving LV hardware., • Knowledge of manufacturing and technological processes for aerospace parts., • Familiarity with aerospace safety and reliability practices.

Job DescriptionBenefits: • 401(k), • 401(k) matching, • Bonus based on performance, • Company parties, • Competitive salary, • Dental insurance, • Free food & snacks, • Health insurance, • Opportunity for advancement, • Paid time off, • Profit sharing, • Training & development We are seeking an experienced Project Engineer / Assistant Project Manager with hotel and restaurant construction and renovation experience to join our Torrance-based team. This role supports project managers across all phases of construction and requires strong organizational skills, attention to detail, and the ability to manage multiple project tasks. Responsibilities • Interpret project plans, specifications, and details for subcontractors and trade/craft personnel, • Assist in implementing pre-construction plans and project execution strategies, • Coordinate with architects, engineers, subcontractors, and other construction professionals, • Manage, create, distribute, and file project documentation, including RFIs, submittals, and correspondence, • Establish and maintain electronic document control procedures in accordance with company standards, • Develop and maintain logs as required by the Project Manager and company policies, • Manage submittals and ensure material procurement and deliveries align with project schedules, • Develop, distribute, and track RFIs and change orders, • Update and maintain as-built construction documents, • Obtain and maintain construction permits and manage related fee payments, • Track testing, inspections, and quality control documentation, • Assist with scheduling key deliverables and milestones and monitor progress, • Support cost tracking, budgeting, and basic cost estimating efforts, • Coordinate subcontractors, suppliers, and outside contractors, • Report project progress, issues, and potential risks to the Project Manager, • Identify and assist in mitigating potential project issues, • Build and maintain professional relationships with project team members and external partners, • Bachelors degree in Construction Management, Engineering, or a related field preferred, • Minimum of 2 years of related experience in hotel and restaurant construction or renovation projects, • Project management certification preferred, • Working knowledge of construction management methods and processes, • Basic understanding of construction legal requirements and business practices, • Familiarity with construction methods, building products, and applicable codes, • Ability to manage multiple project tasks and priorities simultaneously, • Strong organizational skills and attention to detail, • Strong teamwork, initiative, communication, and problem-solving skills, • Ability to break large projects into manageable tasks, • Ability to travel to project sites as needed, • Procore, • Microsoft Excel, • Microsoft Word, • Microsoft Office 365, • Construction management software and web-based applications

Job DescriptionDescriptionAs a Build Reliability Engineer (QMS) at Impulse, you will support the development, implementation, and continuous improvement of our Quality Management System (QMS) within a fast-paced aerospace manufacturing environment. This role will focus on ensuring build reliability across production processes, driving quality initiatives, and maintaining compliance with aerospace regulatory and customer requirements. The ideal candidate brings a strong foundation in manufacturing quality, root cause analysis, and QMS standards, with the ability to work cross-functionally to improve product integrity and production efficiency. Responsibilities • Develop, implement, and maintain Quality Management System (QMS) processes in alignment with aerospace standards (e.g., AS9100), • Drive build reliability initiatives across manufacturing, assembly, and integration processes, • Partner with Manufacturing, Vehicle Engineering, and Supply Chain to identify and mitigate reliability risks, • Analyze production data, nonconformances, and failure trends to improve yield and reliability, • Develop and track key quality and reliability metrics (FPY, DPPM, defect trends, etc.), • Ensure proper documentation, traceability, and configuration control in accordance with QMS requirements, • Lead internal audits and support external/customer audits, • Drive continuous improvement initiatives using Lean, Six Sigma, and statistical methods, • Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, Manufacturing Engineering, or related field, • 3+ years of experience in hardware manufacturing, aerospace, automotive, or high-reliability systems, • Familiarity with AS9100, ISO 9001, or similar quality systems (practical application preferred over documentation focus), • Demonstrated experience supporting production builds, integration, or test of primary structures and/or complex mechanical or electromechanical systems, • 4+ years of demonstrated build reliability experience with spacecraft, launch vehicles, aviation, robotics, or defense hardware, • GD&T familiarity preferred; ability to interpret engineering drawings and apply dimensional tolerancing principles in a manufacturing or design environment is a plus., • Demonstrated experience with reliability engineering concepts (FMEA, reliability growth, Weibull analysis), • Demonstrated background working closely with technicians and production teams Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. Impulse Space’s spacecraft manufacturing business is subject to U.S. export regulations including the International Traffic in Arms Regulations (ITAR) and Export Administration Regulations (EAR). This position requires applicants to be either U.S. Persons (i.e., U.S. citizen, U.S. national, lawful permanent U.S. resident (green card holder), an individual granted asylum in the U.S., or an individual admitted in U.S. refugee status) or persons eligible to obtain an export license from the U.S. Departments of State, Commerce, or other applicable U.S. government agencies. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space 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 About Castelion Castelion is bringing a new approach to defense development and production: one that focuses on short, iterative design cycles, rapid testing in development, and modern commercial manufacturing strategies for production at scale. Were designing, building, and testing next generation long range strike weapon systems to give America and its Allies a definitive edge and deter future conflicts. Software Security Engineer As a Software Security Engineer at Castelion, you will architect and implement the cryptographic foundations that secure our flight systems. You will own encryption, code signing, secure boot, and key management across embedded platforms, ensuring the integrity, authenticity, and confidentiality of mission-critical systems. You will work closely with embedded, avionics, and infrastructure engineers to integrate security directly into the full software and hardware stack from manufacturing provisioning through flight operations. We seek engineers who think in systems, understand threat models deeply, and can translate cryptographic principles into practical, resilient implementations in constrained environments. Responsibilities • Secure Boot & Root of Trust: Design and implement secure boot chains, hardware-backed root of trust mechanisms, and firmware verification processes for embedded flight systems., • Cryptography & Encryption: Develop and integrate cryptographic protocols and libraries (e.g., symmetric/asymmetric encryption, key exchange, digital signatures) for embedded and distributed systems., • Code Signing & Update Security: Own software signing infrastructure and verification workflows to ensure authenticity and integrity of firmware, flight software, and field updates., • Key Management & Provisioning: Design secure key generation, storage, rotation, and provisioning systems across development, manufacturing, and deployed environments., • Secure Communications: Implement and review authenticated and encrypted communication channels between vehicle, ground systems, and internal subsystems., • Threat Modeling & Hardening: Conduct threat modeling and security reviews across the software stack. Identify vulnerabilities and implement practical mitigations aligned with mission constraints., • Bachelors degree in Computer Science, Computer Engineering, Electrical Engineering, or related STEM field, • 3+ years of professional experience in software engineering with exposure to applied cryptography or security engineering, • Experience implementing encryption, authentication, or digital signature systems in C, C++, Rust, or similar systems languages, • Strong understanding of cryptographic fundamentals (PKI, TLS, key exchange, hashing, signatures), • Experience implementing secure boot or hardware root-of-trust mechanisms, • Experience with code signing pipelines and artifact verification, • Familiarity with TPMs, HSMs, or secure elements, • Experience in embedded, aerospace, defense, or other safety-critical systems, • Experience designing secure provisioning workflows in manufacturing environments, • Understanding of real-time systems and resource-constrained devices, • Bias to Action and Creative Problem Solving. Desire and experience questioning assumptions in ways that lead to break through ideas that are ultimately implemented. Successfully bring in applicable processes/concepts/materials from other industries to achieve efficiency gains. Ability to personally resolve minor issues in development without requiring significant support., • High Commitment, High Initiative. A successful candidate will have a genuine passion for Castelion's mission and consistently look for ways to contribute to the company's technical goals and prevent hardware blockers. Ability to work in a fast paced, autonomously driven, and demanding atmosphere. Strong sense of accountability and integrity. All employees are granted long-term stock incentives as part of their employment at Castelion. All employees receive access to comprehensive medical, vision, and dental insurance, and the company offers four weeks of paid time off per year.

Job DescriptionDescriptionAs a Senior Manufacturing Engineer (Solar Modules) at Impulse, you will work with cross-functional teams to build solar modules for space applications. You will own the build and testing of solar modules in production. Your expertise will directly impact the reliability and performance of the systems we send into low-earth orbit and beyond. Leveling will be commensurate with experience. Responsibilities • Develop and implement solar module manufacturing processes across our vehicles, including development builds and to understand how to improve the manufacturing process and iterate new designs., • Define the manufacturing process flow of solar modules and scale-up of module production rate., • Conduct comprehensive analysis on the solar module manufacturing process to reduce defects, improve quality and improve yield., • Lead failure analysis during prototype fabrication to inform design decisions., • Collaborate with design engineers to ensure manufacturability, DFM/DFA of solar modules., • Collaborate with cross functional teams long-term reliability in space environments., • Provide day-to-day support for the production floor, resolving build issues, updating work instructions, and improving yields., • Provide guidance to solar manufacturing technicians., • Support environmental and functional testing in production. Minimum Qualifications • Bachelors' degree in Materials Engineering, Chemistry, Physics, Mechanical Engineering, Electrical Engineering or related field, • 4+ years of demonstrated development and/or manufacturing experience with solar modules, either for terrestrial or space applications, • 4+ years of experience with setting up a solar manufacturing line, including using stringers and laminators., • Experience with failure analysis of solar modules or electronic devices in a development or production setting. Preferred Skills and Experience • MS degree in Materials Engineering, Chemistry, Physics, Mechanical Engineering, Electrical Engineering or related field, • 6+ years of demonstrated manufacturing experience in solar manufacturing, particularly for the unique demands of space applications, • Expertise with material selection for solar modules used in space applications and how these materials fail in space applications, including cover sheets, encapsulants, interconnects and backsheets., • Experience with providing DFM feedback on space solar modules, with an emphasis on reliability in LEO and GEO., • Experience with failure analysis of space solar modules and a deep understanding of failure modes of solar arrays in LEO and GEO and how to mitigate these in a manufacturing setting. Additional Information: Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space 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 Description= Design, engineer, and develop production tools and dies. Study and build prototype pieces, die models, and templates based on customer applications, engineering blueprints, and tool orders. Collaborate with engineering specialists to resolve design and technical problems regarding material components, manufacturing, and machinery requirements. Assemble and operate machine tools such as lathes, milling machines, radial drill presses, shapers, and grinders and verify conformance of machined parts to specifications. Analyze data from trials and production and modify tool designs to improve tool life and performance. Develop tool mechanisms using tridimensional and mathematic configurations that verify dies and other components’ dimensions, clearances, and alignment, working with tolerances as close as 0.0005 inches. Conduct theoretical and mechanical analysis to enhance the fabrication, assembly, and performance of tools and dies within the overall mechanical and hydraulic process. Examine the shapes, dimensions, and clearances of tools to verify conformance to specifications and inspect finished dies for irregularities, contour congruity, and defects. Ensure accurate analysis of tool and die repair and maintenance. Stay abreast of the latest advances in tool and die making and engineering to drive the continuous improvement of our tool and die making methodology and service offerings. Requirements= The position requires four years of experience as a tool and die maker or related field. The position requires skills and knowledge in AutoCAD tools, Computer Aided Design (CAD) and Drafting, and 3-D Keycreator. 40 hours/week. Job Interview Site: Compton, CA. Email Resume to: Serra Manufacturing Corporation at

Job DescriptionDescriptionAs a Metals Materials Engineer at Impulse you will serve as the primary materials interface for our propulsion and structures teams. In this role, you will be the go-to expert for the materials that make up our Deneb, Saiph, and Rigel engines, as well as future propulsion architectures. You will drive thedevelopment and understanding of our alloys, commercial and custom, and improve our understanding of printed, cast, and forged materials, and oversee the critical downstream processes that turn raw materials into flight-ready hardware. Responsibilities • Serve as the dedicated materials engineering counterpart to the propulsion design team, supporting the continuous improvement of the Deneb, Saiph, and Rigel engines as well as associated propulsion systems (propellant storage, valves, lines), • Support the metal additive manufacturing (AM) team, developing a deep, data-driven understanding of our alloys and their behavior during printing, • Support the secondary processing steps for propulsion components, including complex heat treatments, plating operations, and precision machining of hard metals, • Provide technical expertise on the physical metallurgy and application of high-performance nickel, stainless steels, aluminum, titanium, copper, and refractory alloys, • Lead failure analysis and root cause investigations for metallic propulsion components, translating findings into immediate design or process improvements, • Author and maintain material specifications, processing standards, and quality control requirements for metallic flight hardware Minimum Qualifications • Bachelor’s degree in Materials Science, Metallurgical Engineering, Aerospace Engineering, or a closely related field, • 3+ years of applied industry experience focusing on physical metallurgy and component manufacturing, ideally within the aerospace, defense, or high-performance automotive sectors, • Strong functional knowledge of high-temperature metals, nickel-based superalloys, stainless steels, aluminums alloys, and titanium alloys, • Direct experience with metal Additive Manufacturing (e.g., LPBF, DMLS) and an understanding of the relationship between AM process parameters, microstructure, and mechanical properties, • Working knowledge of specialized post-processing techniques, including heat treating, surface finishing, and plating, • Master’s degree in Materials Science or Metallurgical Engineering, • 5+ years of demonstrated direct experience developing or qualifying materials for liquid rocket engines or similar high-heat-flux combustion environments, • Experience developing custom alloy chemistries or optimizing standard alloys for additive manufacturing, • Familiarity with the unique machining challenges associated with superalloys and refractory metalsAdditional Information: Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. Impulse Space’s spacecraft manufacturing business is subject to U.S. export regulations including the International Traffic in Arms Regulations (ITAR) and Export Administration Regulations (EAR). This position requires applicants to be either U.S. Persons (i.e., U.S. citizen, U.S. national, lawful permanent U.S. resident (green card holder), an individual granted asylum in the U.S., or an individual admitted in U.S. refugee status) or persons eligible to obtain an export license from the U.S. Departments of State, Commerce, or other applicable U.S. government agencies. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space 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 DescriptionDescriptionAs a Dynamics Test Engineer at Impulse, you will play a critical role in designing, planning, and executing vibration and environmental testing to ensure product reliability, performance, and compliance with industry standards. The ideal candidate has hands-on experience with vibration testing equipment, strong data analysis skills, and the ability to collaborate across multidisciplinary teams. Responsibilities • Plan, prepare, and execute vibration and shock tests (sine, random, and combined environments), • Set up, operate, maintain, and troubleshoot vibration test equipment, including electrodynamic shakers, slip tables, and associated control systems and facility infrastructure, • Develop detailed test plans, procedures, and instrumentation setups in alignment with project requirements and applicable standards (e.g., MIL-STD-810, NASA GEVS, DO-160), • Monitor and control test execution, ensuring accurate data collection and safe operation, • Analyze test data, generate technical reports, and communicate results and recommendations to relevant engineering teams, • Collaborate with design and dynamics engineers to refine product designs, • Ensure compliance with safety, quality, and regulatory requirements during all test operations, • Support the continuous improvement of test processes, equipment calibration, and lab infrastructure Minimum Qualifications • Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or related field, • 3+ years of direct experience in vibration and shock testing for aerospace, automotive, or related industries, • Proficiency with vibration test systems, vibration controllers, and data acquisition systems, • Proficiency in data analysis using MATLAB, Python, or similar tools, • Excellent technical writing and documentation skills, • Strong problem-solving and troubleshooting capabilities Preferred Skills and Experience • Master’s degree in a relevant engineering discipline, • Strong understanding of environmental test standards (MIL-STD-810, DO-160, NASA GEVS, etc.), • Experience in aerospace hardware qualification and flight hardware certification testing., • Knowledge of structural dynamics and finite element analysis (FEA), • Familiarity with other environmental tests (thermal, acoustic, EMI/EMC) Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. Impulse Space’s spacecraft manufacturing business is subject to U.S. export regulations including the International Traffic in Arms Regulations (ITAR) and Export Administration Regulations (EAR). This position requires applicants to be either U.S. Persons (i.e., U.S. citizen, U.S. national, lawful permanent U.S. resident (green card holder), an individual granted asylum in the U.S., or an individual admitted in U.S. refugee status) or persons eligible to obtain an export license from the U.S. Departments of State, Commerce, or other applicable U.S. government agencies. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space 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 IESE Solutions is seeking a Systems Engineer to support the U.S. Space Forces mission of delivering warfighter capability via the Space Systems Command (SSC) directorates. Position is available in El Segundo, California. This program is supporting Government weapon systems program offices with subject matter experts that have a background with the Space-based and, or Ground Systems including Command & Control services. Team members provide systems engineering development and integration expertise in support of various capabilities that protect and defend the Nation's most valuable space assets. Our team is at the forefront of the advising and assisting the Government with their architecture and full lifecycle systems engineering processes that enable key systems (e.g., satellites and their ground systems, ground-based space systems and their command and control capabilities) to meet warfighter needs. Typical responsibilities include: • Provide Systems Engineering expertise across the entire lifecycle from concept development to operations (for either Space-based, Ground-based space systems and, or the Ground Systems/Command & Control services that operate those capabilities)., • Provide technical oversight of development efforts (i.e., design, development, manufacturing, assembly, integration, test, production and sustainment) whether they are traditional acquisition methods (e.g., waterfall, spiral, etc.) or agile/prototype., • Develop operational concepts, requirements, and architectural designs; evolve system architectures, conduct and analyze requirements flow down, propose verification methodologies and mitigation approaches., • Conduct model-based systems engineering and modeling, simulation and analysis as needed., • Conduct and maintain Configuration Management of the program technical baseline., • Bachelor's degree in an engineering, mathematics, physics or equivalent technical discipline and 14 or more years of systems integration and systems engineering related or equivalent experience., • Experience with the following:, • Leading combined hardware/software and, or space/ground integration activities., • Using model-based system engineering tools and methods., • Systems Architecting and lifecycle support., • Implementing agile development techniques., • Applying Agile and/or DevOps development processes., • Must have an active DoD security clearance, adjudicated for SCI eligibility and enrolled in the Continuous Evaluation program (if applicable)., • Must be willing to be nominated for access to Sensitive Compartment Information and Special Access Programs and willing to consent to a Polygraph examination. Desired Skills: • Advanced degree in engineering, science or related technical field., • Experience within the National Security Space and, or the Space Control mission area., • Experience working in development environment and, or U.S. Government weapons system program office., • Professional certification (e.g., Professional Engineer, INCOSE CSEP, ITEA CTEP, Agile PM/PO, etc.). Benefits As a growing small engineering firm, IESE Solutions focuses on people and customers and delivery of uninterrupted high-quality work. Our approach to attracting and retaining highly qualified candidates is to provide an opportunity to help shape the firm's future and a competitive and flexible compensation package consistent with qualifications, security clearance eligibility, and roles. IESE Solutions offers a highly competitive salary and benefits package, including but are not limited to: • Company 401K Contribution (no employee contribution required) up to 10% of qualifying salaries, • Medical insurance, • Dental insurance, • Vision insurance, • Life and AD&D insurance, • Company paid Long-term Disability insurance, • Short-term Disability insurance, • Discretionary Performance Bonus, • Paid Time Off, including Holidays, Vacation, • Flexible Work Hours and supportive/collaborative work environment, • Continuous education sponsorship, • Career opportunities to participate in the next generation space sensing enterprise ground system integration, test and deployment and develop/enhance enduring professional skills and network. At IESE Solutions, salaries are determined by various factors including location, education, clearance, skills, and experience among others. IESE Solutions considers several factors when extending an offer of employment, including but not limited to the role and associated responsibilities, a candidate's work experience, security clearance, education/training, and key skills. IESE Solutions accepts applications on an ongoing basis and there is no deadline. IESE Solutions is an equal opportunity employer, fostering a culture of merit, diversity and inclusion.

Job DescriptionDescriptionAs an RF Test Engineer, your core responsibility will be to own the design, bring up, and implementation of test fixtures and software for Impulse Space’s wireless products. You will work with RF engineers, RF software engineers, mechanical engineers, and others to meet test needs across a wide range of capabilities. You may work on uplink and downlink radios up to 32GHz, GNSS receivers, desense testing, and coexistence testing. Responsibilities • Work with a cross-disciplinary team to define and implement RF test requirements, implement RF test software architecture, and design and build RF test hardware fixtures., • Implement scripts to control RF test equipment including spectrum analyzers, network analyzers, antenna test infrastructure, power meters, power supplies, and other devices., • Design and implement fixtures to test design compatibility with GNSS constellations and ground station infrastructure, • Work with hardware and software engineers to prepare testing for radiation and ground station test programs, • Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering or related technical field, • Experience writing scripts for wireless systems or hardware testing infrastructure, • Ability to work in the lab with RF equipment including spectrum analyzers, signal generators, and software defined radios, • Proficient in testing and troubleshooting RF devices, • 2+ years experience writing Python, LabView, TILE, or other test software, • Strong understanding of RF system parameters such as channel power, EVM, modulation, and bandwidth, • Experience writing and documenting RF test procedures for use by other engineers and technicians, • Experience testing and troubleshooting microcontrollers and/or FPGA's, • Familiarity working with embedded Linux, • Experience with common RF protocols like SRS4, DVBS-II, and CCSDS, • Experience with GNU radio flowgraph development and troubleshooting, • Familiarity with satellite spectrum licensing laws, agencies, and standards, • Experience testing RF devices for regulatory compliance, • Experience in a startup or agile development environment Additional Information: Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. Impulse Space’s spacecraft manufacturing business is subject to U.S. export regulations including the International Traffic in Arms Regulations (ITAR) and Export Administration Regulations (EAR). This position requires applicants to be either U.S. Persons (i.e., U.S. citizen, U.S. national, lawful permanent U.S. resident (green card holder), an individual granted asylum in the U.S., or an individual admitted in U.S. refugee status) or persons eligible to obtain an export license from the U.S. Departments of State, Commerce, or other applicable U.S. government agencies. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space 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 DescriptionCX2 is a next-generation defense technology company founded to deliver spectrum dominance for the United States and our allies. CX2’s AI-enabled hardware and software platforms detect, disrupt and defend the electromagnetic spectrum across land, air, sea and space domains. We are seeking a highly skilled Electrical Engineer to design, develop, and support advanced electronic systems for next-generation drone defense (counter-UAS) solutions. This role involves working on cutting-edge technologies including RF systems, embedded electronics, sensors, and power systems to detect, track, and neutralize unmanned aerial threats. Key success factors for this role include: • Problem-solving and analytical thinking, • Hands-on prototyping and testing, • Cross-disciplinary collaboration, • Strong documentation and communication skills, • Ability to work in fast-paced, mission-driven environmentsKey Responsibilities, • Design, develop, and test electronic hardware for drone detection and mitigation systems, • Work on RF systems including signal detection, jamming, and communication modules, • Develop schematics, PCB layouts, and prototypes for embedded systems, • Integrate sensors (radar, EO/IR, acoustic, RF) into defense platforms, • Collaborate with software, firmware, and systems engineers for full system integration, • Conduct testing, validation, and troubleshooting of electrical systems in lab and field environments, • Optimize power distribution and battery systems for portable and fixed defense platforms, • Support EMI/EMC compliance and environmental testing (MIL-STD preferred), • Analyze system performance and improve reliability and efficiency, • Participate in field deployments and system demonstrations, • Ability to work extended hours and/or some weekends for mission critical deadlinesRequired Qualifications, • Bachelor’s or Master’s degree in Electrical Engineering or related field, • 3+ years of experience in electronics design and development (defense or aerospace preferred), • Strong experience with:, • Analog and digital circuit design, • PCB design tools (Altium, KiCad, or similar), • Embedded systems and microcontrollers, • Familiarity with RF systems, antennas, and signal processing, • Experience with lab equipment (oscilloscopes, spectrum analyzers, signal generators), • Experience with DSP systems, • Understanding of power systems and battery management, • Ability to debug complex electrical systems, • Existing US Security clearance or ability to obtain oneITAR Regulations, • To conform to U.S. Government export regulations, applicant must be a US Citizen, Green Card holder, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here. Bonus Points, • Experience in counter-UAS, radar, or electronic warfare systems, • Knowledge of RF jamming, spectrum monitoring, or direction finding, • Familiarity with communication protocols (SPI, I2C, UART, CAN), • Experience with FPGA systems, • Understanding of military standards (MIL-STD, DO-160, etc.)What We Offer, • Competitive salary, stock options and benefits, including health, vision and dental., • 401K enrollment at 90 days., • Generous PTO + most Federal Holidays observed., • Collaborative and inclusive work environment., • Access to the latest tools and technologies., • High levels of responsibility and autonomy., • Professional growth and development opportunities.

Job DescriptionDescriptionAs a Mechanisms Manufacturing Engineer at Impulse, you will be responsible for developing, maturing, and sustaining manufacturing processes for spacecraft mechanisms from prototype through flight production. This role bridges design engineering and the factory floor, ensuring mechanisms are built safely, repeatably, on schedule, and to flight-quality standards. Responsibilities • Own manufacturing processes for spacecraft mechanisms from prototype through flight production, • Develop and maintain work instructions, travelers, and tooling to enable safe, repeatable builds, • Partner with design engineering to improve DFM/DFA, reliability, and production readiness, • Support hands-on assembly, integration, and test of mechanisms on the production floor, • Troubleshoot build and test issues, lead root-cause analysis, and implement corrective actions, • Support mechanism-level functional, deployment, and environmental testing, • Ensure compliance with quality, safety, and configuration control requirements, • Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or related field, • 2+ years of hands-on experience in manufacturing engineering, production engineering, or process engineering, • 2+ years of hands-on experience with mechanical systems and precision assemblies, • 5+ years of hands-on engineering experience with spacecraft, satellite, launch vehicle, or aerospace mechanisms, • 5+ years of demonstrated experience transitioning hardware from development to flight production, • Familiarity with cleanroom or controlled assembly environments Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. Impulse Space’s spacecraft manufacturing business is subject to U.S. export regulations including the International Traffic in Arms Regulations (ITAR) and Export Administration Regulations (EAR). This position requires applicants to be either U.S. Persons (i.e., U.S. citizen, U.S. national, lawful permanent U.S. resident (green card holder), an individual granted asylum in the U.S., or an individual admitted in U.S. refugee status) or persons eligible to obtain an export license from the U.S. Departments of State, Commerce, or other applicable U.S. government agencies. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space 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 DescriptionDescriptionAs a Precision Cleaning Manufacturing Engineer at Impulse, you will be responsible for precision cleaning processes across all our spacecraft and hardware. In this critical role, you will research, develop, and define standards for cleanliness, perform destructive testing to prove these standards, purchase capital equipment, and design and develop new processing facilities. In an industry often defined by old standards, you will use science and engineering principals to develop requirements that work for Impulse’s propulsion systems. Responsibilities • Define cleanliness requirements for Oxygen-rich systems (i.e. nitrous oxide, LOx) through aggressive data-oriented R&D, in collaboration with propulsion teams, • Design, build, and activate cleaning cells for hardware such as COPV’s, tubes, and machined components. Own factory layouts including material movement, build process flows, and facilities requirements., • Define in-line cleaning requirements and processes for large hardware, such as for our Helios kick stage vehicle, • Act as the specification custodian and subject matter expert for precision cleaning requirements, processes, and inspections, • Define best-in-class solvents for various substrates, cleanliness requirements, and contamination requirements, • Define clean hardware handling and packaging requirements for flight hardware, • Provide technical guidance to outside vendors and support supply chain development, • Optimize and accelerate precision cleaning processes for high-volume hardware, • Update designs, manufacturing processes, and documentation to support continuous improvement, • Bachelor's degree in chemical engineering, materials science, or related field, • Demonstrate experience in developing manufacturing processes, • Experience working in a hardware development environment, • Masters' degree in an engineering discipline, • 7+ years' of demonstrated hands-on manufacturing experience within aerospace or related industry working with cleanliness-sensitive structures, • Previous experience working within a start-up, • 4+ years' of demonstrated experience with clean lines/precision cleaning, • Familiarity with liquid propellants such as liquid oxygen, nitrous oxide, ethane, and methane, • Demonstrated knowledge of ISO 14644 cleanroom standards and NASA/JPL contamination-control guidelines Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. Impulse Space’s spacecraft manufacturing business is subject to U.S. export regulations including the International Traffic in Arms Regulations (ITAR) and Export Administration Regulations (EAR). This position requires applicants to be either U.S. Persons (i.e., U.S. citizen, U.S. national, lawful permanent U.S. resident (green card holder), an individual granted asylum in the U.S., or an individual admitted in U.S. refugee status) or persons eligible to obtain an export license from the U.S. Departments of State, Commerce, or other applicable U.S. government agencies. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space 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 DescriptionDescriptionAs a Test Automation Engineer at Impulse, you will own all aspects of test and automation software design, implementation and operation while working closely with a fast paced, agile team. Responsibilities • Work on a full spectrum of software, including near-real time data acquisition and control software to user-facing GUI’s and tools., • Actively work with the test operations team that uses your software daily to support testing operations., • Take part in the complete test program lifecycle including design, integration, testing, deployment, debugging, and finding novel solutions to late-breaking changes or issues., • Design and develop software and tools in support of testing operations., • Review code written by others, and write reviewed code yourself., • Work onsite in a fast-paced, challenging environment., • Resolve technical issues with innovative and resourceful solutions. Minimum Qualifications • Bachelor’s degree in engineering, computer science or related field., • 2+ years' of demonstrated proficiency with python, or an object-oriented programming language & demonstrated hands-on experience operating the software., • Experience developing user-facing software applications related to networking, hardware control and data acquisition., • Experience with software best practices and workflows, including git. Preferred Skills and Experience • Demonstrated ability of taking project ownership and working well in small teams., • Proficient with basic principles of data acquisition and control., • Master’s degree in electrical, software, mechanical, or aerospace engineering., • Familiarity with Propulsion Systems development testing., • LabVIEW certification (CLAD, CLD, CLA)., • Experience with Real-Time Operating Systems., • Hands-on experience with design, build, and operation of electrical systems. Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. Impulse Space’s spacecraft manufacturing business is subject to U.S. export regulations including the International Traffic in Arms Regulations (ITAR) and Export Administration Regulations (EAR). This position requires applicants to be either U.S. Persons (i.e., U.S. citizen, U.S. national, lawful permanent U.S. resident (green card holder), an individual granted asylum in the U.S., or an individual admitted in U.S. refugee status) or persons eligible to obtain an export license from the U.S. Departments of State, Commerce, or other applicable U.S. government agencies. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space 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 DescriptionDescriptionAs a Manufacturing Engineer for Tank Weldments at Impulse, you will be responsible for building the primary pressure boundary for Impulse’s new “Helios” kick-stage vehicle. This is a technical role in a development heavy environment, requiring execution on aggressive timelines and rapid design iterations. The manufacturing engineer is expected to own design for manufacturability of their hardware and development of the manufacturing process. Responsibilities • Own the entire manufacturing life cycle for assigned projects & hardware, • Own selection of manufacturing processes during the hardware design phase. Identify manufacturing options to inform design. Own requirements associated with the manufacturing process., • Provide subject matter expertise on primary structure manufacturing processes including fusion welding, solid state welding, raw material processing, machining, non-destructive examination, and mechanical joining processes. Participate in design trades and sign off on key decisions on how hardware is made., • Design, build and activate factory production cells. Own factory layouts including material movement, build process flows, lifting and rigging solutions, and facilities requirements, • Optimize and accelerate existing manufacturing processes for tank integration & supporting structures, • Work directly with machinists, welders & technicians to produce hardware that meets all technical requirements. Ideate and execute on projects to improve the technicians’ experience and provide design for manufacturability feedback based on technician feedback., • Provide technical guidance to outside vendors and support supply chain development, • Update designs, manufacturing processes, and documentation to support continuous improvement, • Bachelor's degree in an engineering discipline, or related field, • Demonstrate experience in developing manufacturing processes, • Experience working in a hardware development environment, • 2+ years of demonstrated hands-on manufacturing experience, • Proficiency with CAD software and the ability to learn new tools, • Masters' degree in an engineering discipline, • 6+ years' of demonstrated hands-on manufacturing experience within aerospace or related industry working with metallics structures, • Previous experience working within a start-up, • 4+ years' of demonstrated experience with welding (laser, friction stir weld, TIG, etc.), • Prior experience with spacecraft, aircraft, or automotive composite part design and fabrication, • Experience working on a launch vehicle or satellite development effort, • Ability to work in a fast paced, autonomously driven, and demanding atmosphere Additional Information: Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space 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 IESE Solutions is seeking Systems Engineers with varying levels of experience and backgrounds to support the U.S. Space Forces mission of delivering warfighter capability via the Space Systems Command (SSC) directorates. Positions are available in El Segundo, California and, or Colorado Springs, Colorado. This program is supporting Government weapon systems program offices with subject matter experts that have a background with the Space-based and, or Ground Systems including Command & Control services. Team members provide systems engineering development and integration expertise in support of various capabilities that protect and defend the Nation's most valuable space assets. Our team is at the forefront of the advising and assisting the Government with their architecture and full lifecycle systems engineering processes that enable key systems (e.g., satellites and their ground systems, ground-based space systems and their command and control capabilities) to meet warfighter needs. Typical responsibilities include: • Provide Systems Engineering expertise across the entire lifecycle from concept development to operations (for either Space-based, Ground-based space systems and, or the Ground Systems/Command & Control services that operate those capabilities)., • Provide technical oversight of development efforts (i.e., design, development, manufacturing, assembly, integration, test, production and sustainment) whether they are traditional acquisition methods (e.g., waterfall, spiral, etc.) or agile/prototype., • Develop operational concepts, requirements, and architectural designs; evolve system architectures, conduct and analyze requirements flow down, propose verification methodologies and mitigation approaches., • Conduct model-based systems engineering and modeling, simulation and analysis as needed., • Conduct and maintain Configuration Management of the program technical baseline., • Bachelor's degree in an engineering, mathematics, physics or equivalent technical discipline and nine (9) or more years of systems integration and systems engineering related or equivalent experience., • Experience with the following:, • Leading combined hardware/software and, or space/ground integration activities., • Using model-based system engineering tools and methods., • Systems Architecting and lifecycle support., • Implementing agile development techniques., • Applying Agile and/or DevOps development processes., • Must have an active DoD security clearance, adjudicated for SCI eligibility and enrolled in the Continuous Evaluation program (if applicable)., • Must be willing to be nominated for access to Sensitive Compartment Information and Special Access Programs and willing to consent to a Polygraph examination. Desired Skills: • Advanced degree in engineering, science or related technical field., • Experience within the National Security Space and, or the Space Control mission area., • Experience working in development environment and, or U.S. Government weapons system program office. As a growing small engineering firm, IESE Solutions focuses on people and customers and delivery of uninterrupted high-quality work. Our approach to attracting and retaining highly qualified candidates is to provide an opportunity to help shape the firm's future and a competitive and flexible compensation package consistent with qualifications, security clearance eligibility, and roles. IESE Solutions offers a highly competitive salary and benefits package, including but are not limited to: • Company 401K Contribution (no employee contribution required) up to 10% of qualifying salaries, • Medical insurance, • Dental insurance, • Vision insurance, • Life and AD&D insurance, • Company paid Long-term Disability insurance, • Short-term Disability insurance, • Discretionary Performance Bonus, • Paid Time Off, including Holidays, Vacation, • Flexible Work Hours and supportive/collaborative work environment, • Continuous education sponsorship, • Career opportunities to participate in the next generation space sensing enterprise ground system integration, test and deployment and develop/enhance enduring professional skills and network. At IESE Solutions, salaries are determined by various factors including location, education, clearance, skills, and experience among others. IESE Solutions considers several factors when extending an offer of employment, including but not limited to the role and associated responsibilities, a candidate's work experience, security clearance, education/training, and key skills. IESE Solutions accepts applications on an ongoing basis and there is no deadline. IESE Solutions is an equal opportunity employer, fostering a culture of merit, diversity and inclusion.

Job DescriptionAbout the role Radiant is seeking a Principal FPGA Engineer to serve as the technical authority for FPGA development across our Embedded Systems team. You will define the architecture, methodology, and standards governing FPGA design for a safety-critical instrumentation and control system responsible for real-time reactor control, sensor and actuator handling, and communications. This role operates at the intersection of deep technical ownership and organizational influence, shaping how Radiant approaches FPGA development as we bring the first commercial microreactor to market. Responsibilities and Duties: * Define and own the overall FPGA architecture strategy across Radiant's instrumentation and control systems, ensuring designs scale with evolving product and regulatory requirements. * Establish org-wide FPGA development standards, toolchain selections, and verification methodologies. * Drive the most complex technical challenges — timing closure at scale, fault-tolerant design, multi-domain clock architectures — and set the precedent for how they are solved. * Serve as the primary technical interface across Embedded Systems, hardware, software, and systems engineering, ensuring cohesive system-level design decisions. * Lead architecture and design reviews, setting the quality bar for RTL, simulation, synthesis, and validation deliverables. * Partner with engineering leadership to define hiring criteria and inform technical roadmap decisions. * Mentor senior and mid-level FPGA engineers, building long-term technical depth across the organization. Required Skills and Qualifications: * Bachelor's degree in computer engineering, electrical engineering, or related field; advanced degree preferred. * 10+ years of progressive FPGA development experience with demonstrated impact at a principal or staff engineer level. * Expert-level proficiency in VHDL, SystemVerilog, or equivalent HDL, with a track record of setting team-wide design standards. * Mastery of full-cycle FPGA development — RTL architecture, simulation, synthesis, timing closure, and hardware bring-up — across multiple platform generations. * Deep experience with multi-clock domain design, fault-tolerant architectures, and safety-critical systems. Desired Skills and Qualifications: * Experience in regulated development environments, including aerospace, defense, and manufacturing. * Experience with the Microchip PolarFire SoC platform or comparable ecosystems. * Proficiency with embedded C/C++ in FPGA/SoC contexts. * Experience with formal or coverage-driven verification methodologies at scale. * Familiarity with CI/CD pipelines applied to HDL workflows. Benefits and Perks * Stock: Substantial incentive stock plan for all full-time employees. * Medical: 100% up to base silver level plan for employee + 50% dependents, offers up to Platinum plans. * One Medical: Sponsored memberships for employees and their dependents. * Vision: 100% top tier plan coverage + 50% for dependents. * Dental: 100% top tier plan coverage, orthodontia extra, 50% for dependents. * Voluntary life, accident, hospital, critical illness, commuter and FSA/HSA are offered as employee contributed benefits. * 8-weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees. * Daily catered lunch. Free snacks and drinks. * Flexible PTO policy. Remote workday allocation. * Company and team-bonding events, happy hours and in-person camaraderie. * Beautiful El Segundo headquarters close to the Pacific Ocean. Total Compensation and Benefits Radiant compensates people for impact and invests in those who continue to raise the bar. Radiant’s new hire compensation package includes base salary, substantial equity grants, and comprehensive health benefits. Total compensation and level are determined through a rigorous evaluation of interview performance, experience, education, and qualifications, and are designed to support continued growth as scope, responsibility, and impact expand at Radiant. The best of today’s advanced reactor builders don’t wait for job postings. They join the winning team. If that’s you, contact us directly for immediate opportunities: . We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law. Unfortunately, we are unable to provide visa sponsorship at this time. This position involves access to technology that is subject to U.S. export controls. Any job offer made will be contingent upon the applicant’s capacity to serve in compliance with U.S. export controls. Compensation Range: $200.5K - $265.5K

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. Senior Manufacturing Engineer – Avionics Electro-Mechanical Assembly We are seeking a Senior Manufacturing Engineer with deep expertise in the high-reliability assembly and integration of avionics and electromechanical systems for hypersonic missile vehicles. This role focuses on developing, optimizing, and scaling manufacturing processes for complex avionics hardware—including printed circuit board assemblies (PCBA), wire harnesses, electronic enclosures, sensors, actuators, connectors, and electromechanical subassemblies—to achieve repeatable, high-yield production. You will serve as the technical authority on avionics electromechanical manufacturing, partnering with design, integration & test, quality, supply chain, and automation teams to transition advanced avionics from prototype to high-rate production while meeting stringent DoD, AS9100, IPC, and mission-critical reliability standards. Responsibilities • Lead manufacturing process development for avionics electromechanical assembly, including PCBA integration, conformal coating, potting, wire harness routing, connector termination, and enclosure sealing., • Design and qualify production tooling, fixtures, automated work cells, and test equipment for precision electromechanical build and functional verification., • Execute Design for Manufacturability (DFM), Design for Assembly (DFA), PFMEA, and control plans to drive first-pass yield >95% and aggressive cycle-time reduction., • Establish statistical process control (SPC), in-process inspection, and metrology strategies for critical avionics parameters (torque, continuity, insulation resistance, leak testing)., • Scale production from low-rate initial production (LRIP) to full-rate manufacturing, including line balancing, capacity modeling, and cost-reduction initiatives., • Perform root-cause analysis and corrective actions for assembly defects using 8D, fishbone, and fault-tree methods; support MRB/FRB dispositions., • Author and maintain detailed work instructions, travelers, and quality records compliant with customer requirements., • Collaborate with suppliers on incoming material qualification for PCBs, connectors, and electromechanical components., • Bachelor's in Manufacturing Engineering, Mechanical Engineering, Electrical Engineering, or related field., • 7+ years in manufacturing engineering for complex aerospace or defense electronics hardware., • 4+ years specifically supporting avionics or electromechanical assembly and integration (high-reliability electronics preferred)., • Proficient with 3D CAD (SolidWorks or NX), GD&T (ASME Y14.5), and tolerance stack-up analysis., • Strong experience in precision electromechanical assembly processes, including soldering, crimping, potting, adhesive bonding, and cleanroom/ESD protocols., • Familiarity with ERP/MES systems and manufacturing execution for full aerospace traceability., • Working knowledge of environmental stress screening (ESS), vibration, thermal cycling, and functional test integration for avionics., • Direct work on missile, hypersonic, or high-reliability avionics systems for DoD programs., • Experience in fast-paced defense or space environments (e.g., Anduril or SpaceX), • Background with harsh-environment electronics (high-G, thermal extremes, radiation)., • Track record of implementing automation for electromechanical assembly and achieving significant cost or cycle-time reductions., • Employee Equity: Meaningful equity for all full-time employees - share value has increased 150x in three years, • Personal Time Off: Four (4) weeks of paid time off to unplug, reset, and come back sharp—velocity matters, burnout doesn't, • Company Paid Holidays: Ten (10) company paid holidays, • Medical: We offer plans at 100% employee covered and 80% of dependent coverage, • Dental & Vision: We cover 90% employees and 80% for dependents to ensure you and your family have access to quality preventive and ongoing care, • FSA/HSA: To support long-term health and financial resilience, we offer FSA and HSA options that allow employees to set aside pre-tax dollars for eligible medical and dependent care expenses, • Retirement: 401k plan offered to support long term financial growth along side high-impact, high-velocity work, • Paid Parental Leave: We support growing families with meaningful time to bond and recover. Birthing parents are eligible for up to 10 weeks of paid leave, while non-birthing parents may take up to 4 weeks of paid leave. This time can be used for pre-natal care, pregnancy, childbirth, and related medical needs—ensuring every parent has the support they need during this important life moment.8-weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees, • Meals & Catering: Frequently catered lunches and team meals, plus company-covered meals when extra time or effort is required, • Snacks & Beverages: Fully stocked kitchen with unlimited snacks and drinks to keep you fueled throughout the day, • Performance & Fitness: $100 monthly fitness stipend to support peak performance and health, both inside and outside of work To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. This position may require access to classified information or restricted U.S. Government sites, systems, or information, as determined by the Company and/or applicable U.S. Government requirements. If the position is so designated, your employment in the role may be contingent upon your ability to obtain and maintain the required U.S. Government security clearance or other government authorization, and to satisfy any citizenship or other eligibility requirements imposed by applicable law, regulation, executive order, or government contract requirements. You will be notified if and when such requirements apply. Failure to obtain or maintain any required clearance or authorization may result in reassignment, leave, or separation from employment, consistent with business needs and applicable law. 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. 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.

Job Description Position Summary: Sonic Industries, Inc. is a leading aerospace fastener company. RBC Bearings is a well-known international manufacturer and marketer of highly engineered precision plain, roller and ball bearings. We have been providing bearing solutions to our customers since 1919. Sonic Industries has an immediate opening for a Manufacturing Engineer Trainee. The Manufacturing Engineer Trainee utilizes a wide range of knowledge and skills to participate in Quality Engineering and Continuous Improvement projects and programs. Key Position Responsibilities: The duties and responsibilities include, but are not limited to, the following and must be performed with limited supervision: • QE support of Prime Customers for first articles and corrective action;, • Reviewing contracts, specifications, purchase orders, and planning;, • Planning and implementing quality initiatives throughout the organization;, • Managing & tracking MRB & RMA’s;, • Performing internal & external audits;, • Participating in RCCA investigations as required;, • Assist in supplier quality support and development., • Implement and Manage QMS software Individual must have: • Have a Bachelor’s Degree in Mechanical, Material or Manufacturing Engineering or related field., • Be an individual who is a self-starter, motivated and resourceful, in addition to being detail oriented and possess a good work ethic., • Be able to communicate with all levels of the organization, both verbally and in writing., • Have a positive attitude and a desire to learn. ITAR Requirement: Due to ITAR regulations, this position requires that the employee must be a U.S. Person (U.S. Citizen or Permanent Resident) or a Foreign Person for whom a license is obtained. Quality Requirement: Employees will participate as required in understanding, implementing and maintaining the Company Quality Policy in accordance with AS-9100D and/or ISO-9001:2015 requirements. Employer’s Statement: This job description does not list all of the duties of the job. You may be asked by supervisors or managers to perform other duties. You will be evaluated in part based upon your performance of the tasks listed in this job description. The company reserves the right to change, rescind, add or delete the duties and responsibilities of positions within this job classification at any time. The job description is not a contract for employment, and either you or the employer may terminate employment at any time, for any reason. We offer competitive compensation and excellent benefits including Medical, Dental, and a company matched 401k plan. RBC Sonic Industries, Inc. Sonic is an Equal Opportunity Employer m/f/d/v

Job DescriptionDescriptionAs a Senior Manufacturing Engineer, you will own all aspects of manufacturing spacecraft chassis & aluminum panels, set up machining cells, and iterate products from development test articles to high volume production. Impulse is building an exceptional team and this position is a growth opportunity open to high performers of any experience level above the basic qualifications (Staff, Principal, etc.). Responsibilities • Own all aspects of spacecraft component manufacturing from product inception and iteration to volume production (i.e. tank skins, vehicle structures, large & thin aluminum hardware), • Work with various CAM software (i.e. NX, MasterCam) and strong ability to learn and become expert in new software rapidly, • Install advanced CNC machining work centers and develop processes for prototype, test and flight hardware, • Work with the design and development teams to iterate designs for manufacturability and produce highly reliable, cost-efficient components, • Resolve technical issues with innovative and resourceful solutions, • Bachelor’s degree in engineering, science or related field, • 5+ year(s) of experience with CNC machines and various CAM packages (NX, MasterCam, HSM Works, Fusion 360, ESPRIT, Hypermill, etc.), • 5+ year(s) of experience in a design, test, manufacturing, or production environment, • Experience on 5-axis mills and/or routers, • Experience on manual and CNC mills and/or lathes, • Ability to rapidly pick up new CAM software and manage large tool libraries, • 7+ years of demonstrated experience with CNC machines and various CAM packages (HSM Works, Fusion 360, ESPRIT, Hypermill, etc.), • 5+ years of demonstrated experience programming machining for spacecraft components (structures), experience programming in MAX-PAC, • Excited to setup, work on and manufacture hardware on the shop floor. Develop production processes from the ground up including driving design improvements for manufacturing, • Self-starter able to identify problems and implement solutions with limited supervision, • Experience on various machines and OEM software including Heidenhain, Okuma OSP, Siemens, Fanuc, etc., • Experience setting up machine shops, recommending and evaluating capital for purchase, • Extremely hands on. Experience with fabrication tools and processes (electric/pneumatic power tools, manual lathes/mills, calipers, welding equipment, etc.), • Familiarity with CAD software (NX or equivalent), geometric dimensioning and tolerancing (GD&T) and work holding design and analysis Prior experience working in a fast-paced agile product development environment, • Flexible schedule and willing to travel as needed, • Python / SQL programming experience or similar, • High attention to detail and rapid pace of executionAdditional Information: Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space 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. Additional Information: Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space 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 DescriptionDescriptionAs a Senior NX Application Engineer at Impulse Space, you will own the administration and optimization of our Siemens NX and Teamcenter ecosystem. In this role, you will be the primary technical expert responsible for the health of our CAD environment. You won't just be managing software; you will be building the infrastructure that allows our propulsion, structures, and avionics teams to collaborate seamlessly. From architecting standard part libraries to troubleshooting complex assembly issues, your work will directly impact the speed at which we can design and fly. Responsibilities • CAD Administration: Manage and optimize Siemens NX configurations, including site defaults, customer defaults, and environment variables to ensure peak performance across the engineering team., • PLM Integration: Administer and support the NX-to-Teamcenter integration, ensuring seamless data flow, revision control, and workspace management., • Part Library Management: Design, build, and maintain comprehensive NX Reuse Libraries and standard part catalogs (fasteners, fittings, electronic components) to drive design standardization and speed., • End-User Support: Serve as the "tier 3" technical expert for the engineering team, resolving complex NX/Teamcenter issues, modeling bottlenecks, and drafting standard operating procedures (SOPs)., • Workflow Optimization: Develop and implement best practices for large assembly management, synchronous modeling, and model-based definition (MBD) to improve design efficiency., • Upgrades & Testing: Lead the testing and deployment of NX and Teamcenter patches and version upgrades, ensuring zero downtime for the production design environment. Minimum Qualifications • Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or a related technical field., • 5+ years of experience in a CAD/PLM administration role, specifically focused on Siemens NX. Preferred Skills and Experience • Demonstrated professional knowledge of Teamcenter (Active Workspace and Rich Client) and its integration with NX., • Demonstrated experience setting up and managing CAD Part Libraries and standard catalogs in a professional aerospace or automotive environment., • Experience with NX Open, C++, or Python for automating repetitive CAD tasks., • Background in Aerospace & Defense manufacturing, with a strong understanding of how CAD data flows into downstream manufacturing and assembly processes., • Familiarity with "Model-Based Enterprise" (MBE) initiatives and Digital Twin concepts., • Strong interpersonal skills with a "customer-service" mindset toward supporting a diverse team of engineers., • Ability to thrive in a rapid-prototype environment where requirements evolve quickly. Additional Information: Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. Impulse Space’s spacecraft manufacturing business is subject to U.S. export regulations including the International Traffic in Arms Regulations (ITAR) and Export Administration Regulations (EAR). This position requires applicants to be either U.S. Persons (i.e., U.S. citizen, U.S. national, lawful permanent U.S. resident (green card holder), an individual granted asylum in the U.S., or an individual admitted in U.S. refugee status) or persons eligible to obtain an export license from the U.S. Departments of State, Commerce, or other applicable U.S. government agencies. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space 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 DescriptionCX2 is a next-generation defense technology company founded to deliver spectrum dominance for the United States and our allies. CX2’s AI-enabled hardware and software platforms detect, disrupt and defend the electromagnetic spectrum across land, air, sea and space domains. We are seeking a hands-on Test Engineer to develop, execute, and support testing for hardware products in a manufacturing environment. This role is responsible for validating product performance, reliability, and compliance through the design of test procedures, fixtures, and automated test systems, supporting both new product introduction (NPI) and high-volume production. This will be based at our HQ location in El Segundo, CA.Key Responsibilities: • Develop and execute hardware test plans, procedures, and acceptance criteria, • Write and debug test automation scripts in Python, • Design, build, and maintain test fixtures and test equipment, • Support production testing and troubleshoot test failures on the manufacturing line, • Analyze test data to identify trends, root causes, and corrective actions, • Collaborate with design, manufacturing, and quality teams during NPI, • Validate product performance, reliability, and environmental requirements, • Ensure test coverage meets regulatory and customer requirements, • Improve test efficiency, yield, and throughput in manufacturing, • Document test results, procedures, and engineering changes, • Support failure analysis and continuous improvement initiativesRequired Qualifications, • Bachelor’s degree in Electrical, Mechanical, Manufacturing Engineering, or related field, • Experience in hardware testing, manufacturing engineering, or production support, • Strong understanding of electronic or mechanical systems (depending on product), • Experience with test equipment (e.g., oscilloscopes, multimeters, power supplies, environmental chambers), • Advanced proficiency in Python, • Ability to read and interpret schematics, drawings, and specifications, • Experience troubleshooting hardware issues in a production environment, • Strong documentation and communication skills, • Ability to work some nights and weekends to meet mission-critical deadlines, • Ability to obtain and maintain a security clearance, • Must be a U.S. Person (see ITAR Regulations below) due to required access to U.S. export-controlled information or facilitiesBonus Points, • Experience designing automated test systems, • Experience with CAD (SolidWorks or Fusion360), • Experience with test fixture design and validation, • Familiarity with manufacturing processes and quality systems (ISO 9001, IPC, Six Sigma), • Experience with regulatory compliance testing, • Experience supporting high-volume manufacturing or contract manufacturers, • Hands-on experience with root cause analysis tools (FMEA, etc.), • Clearance: Active Secret or ability to obtain and maintain; TS/SCI eligibility preferred. ITAR/EAR-controlled work. Learn more about Security Clearances here.ITAR Regulations, • To conform to U.S. Government export regulations, applicant must be a US Citizen, Green Card holder, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here. What We Offer, • Competitive salary, stock options and benefits, including health, vision and dental., • 401K enrollment at 90 days., • Generous PTO + most Federal Holidays observed., • Professional growth and development opportunities., • Collaborative and inclusive work environment., • High levels of responsibility and autonomy.

Job Description Electrical Engineer – High-Speed Systems & Hardware Architecture! Gardena, CA | On-site Opportunity Summary A venture-backed hardware startup is building advanced optical systems designed for high-performance applications at scale. The team is focused on translating complex technology into production-ready hardware, with a strong emphasis on signal integrity, system performance, and manufacturability. This role is suited for an experienced Electrical Engineer who can take ownership of electrical design from concept through production. You will lead architecture, design, validation, and system-level debugging of high-speed PCB assemblies while developing the infrastructure required to bring products into scalable manufacturing. This is a hands-on, high-impact role working closely with firmware, mechanical, and manufacturing teams. About Us We are an early-stage engineering team developing integrated hardware platforms that combine optics, electronics, and advanced packaging. Backed by strong funding and experienced technical leadership, the company is focused on delivering high-performance systems that can scale efficiently into production environments. Job Duties • Architect and design complex multilayer PCB systems for high-speed hardware, including power distribution, high-speed interfaces, control circuits, and debug access, • Define electrical system architecture and make trade-offs across performance, signal integrity, thermal constraints, manufacturability, and testability, • Lead signal integrity and power integrity strategy, including simulation and margin analysis prior to fabrication, • Own board bring-up, validation, and system-level debugging, developing repeatable workflows for production use, • Design and build evaluation platforms for new components, including silicon, optics, and interconnect technologies, • Define validation strategies for critical high-speed interfaces and ensure compliance with performance requirements, • Develop automated test infrastructure and firmware flashing workflows in partnership with firmware and manufacturing teams, • Collaborate with manufacturing to ensure designs meet DFM and DFT requirements, supporting yield, test coverage, and serviceability, • Analyze production data and failure modes to drive root cause analysis and continuous improvement, • Contribute to internal standards, documentation practices, and design review processes Qualifications • Bachelor’s or Master’s degree in Electrical Engineering or a related field, • 2+ years of experience designing high-speed hardware systems through production release, • Strong experience with schematic capture and multilayer PCB layout tools such as Altium or equivalent, • Deep understanding of signal integrity, power integrity, and high-speed interface design, • Hands-on experience with lab instrumentation such as oscilloscopes, VNAs, TDRs, and advanced debug tools, • Proven experience leading board bring-up and resolving system-level hardware issues, • Experience working closely with manufacturing teams and supporting production readiness efforts, • Strong problem-solving skills and ability to operate in fast-paced environments, • Willingness to support demanding build and test schedules when needed Preferred Experience • Background in optical, photonic, semiconductor, or high-performance computing hardware, • Experience developing automated test infrastructure for production or characterization environments, • Familiarity with firmware flashing and debug workflows such as JTAG, SWD, or ISP, • Experience mentoring engineers or leading technical programs, • Scripting experience for test automation or data analysis using Python, MATLAB, or similar tools, • Experience with SI and PI simulation tools such as HFSS, SIwave, or HyperLynx, • Experience with HDI, rigid-flex, or RF PCB design, • Familiarity with EMC and EMI design practices and compliance testing, • Experience with configuration management, PLM systems, or engineering change processes Why Join Us • Equity participation and performance-based incentives, • Medical, dental, and vision coverage for employees and dependents, • Paid parental leave and flexible PTO policy, • Access to a 401(k) retirement plan, • Relocation support for candidates moving to the Los Angeles area Compensation Details Salary range: $120,000 – $180,000 #LI-AV

Job Description Senior Thermal Engineer Radiant is seeking a driven Senior Thermal Engineer with expertise in CFD and thermal FEA modeling. You will design, develop and implement simulations for the Kaleidos microreactor to ensure high fidelity, reliability, and safety of our systems. You’ll work on cutting edge technical problems for a high temperature gas reactor that inform decisions across reactor systems, cooling systems, shielding, and more. You will have an opportunity to work in an interdisciplinary environment and drive milestones forward to unlock commercialization of the first mass-produced nuclear reactor. Responsibilities and Duties: * Own and execute thermal CFD analysis to evaluate design and performance of Kaleidos reactor systems. * Develop and implement solutions to model turbulent flow, heat transfer, and multi-physics interactions * Identify and implement CFD simulation best practices * Build automated workflows to expand simulation capabilities, accuracy, and efficiencies * Collaborate across teams and disciplines to support design of reduced order analysis methods. Required Qualifications and Skills: * Bachelor’s degree in engineering, physics, or similar field from an accredited institution. * 5+ years of relevant industry experience. * 5+ years experience with STAR-CCM+, Ansys Fluent, or other commercial CFD code. * Proficiency with CAD software (Siemens NX). * Mastery of finite element and computational fluid dynamics modeling principles and methods. * Experience communicating and distilling information with cross-functional teams. Desired Qualifications and Skills: * Experience with radiation heat transport modeling. * Knowledge of nuclear reactor design. * Driven, self-motivated, and takes ownership of work end to end. Additional Requirements * Must be willing to work extended hours and weekends as necessary to accomplish our mission. * Must work 100% onsite at El Segundo HQ. Benefits and Perks * Stock: Substantial incentive stock plan for all full-time employees. * Medical: 100% up to base silver level plan for employee + 50% dependents, offers up to Platinum plans. * One Medical: Sponsored memberships for employees and their dependents. * Vision: 100% top tier plan coverage + 50% for dependents. * Dental: 100% top tier plan coverage, orthodontia extra, 50% for dependents. * Voluntary life, accident, hospital, critical illness, commuter and FSA/HSA are offered as employee contributed benefits. * 8-weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees. * Daily catered lunch. Free snacks and drinks. * Flexible PTO policy. Remote workday allocation. * Company and team-bonding events, happy hours and in-person camaraderie. * Beautiful El Segundo headquarters close to the Pacific Ocean. Total Compensation and Benefits Radiant compensates people for impact and invests in those who continue to raise the bar. Radiant’s new hire compensation package includes base salary, substantial equity grants, and comprehensive health benefits. Total compensation and level are determined through a rigorous evaluation of interview performance, experience, education, and qualifications, and are designed to support continued growth as scope, responsibility, and impact expand at Radiant. The best of today’s advanced reactor builders don’t wait for job postings. They join the winning team. If that’s you, contact us directly for immediate opportunities: . We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law. Unfortunately, we are unable to provide visa sponsorship at this time. This position involves access to technology that is subject to U.S. export controls. Any job offer made will be contingent upon the applicant’s capacity to serve in compliance with U.S. export controls. Compensation Range: $139.5K - $224.7K

Job DescriptionDescriptionAs an RF embedded software engineer your core responsibility will be to own the design, testing, and delivery of flight RF software systems for space missions anywhere from low earth orbit to mars. Responsibilities • Work with a cross-disciplinary team to define and implement RF software communications requirements on a mission-by-mission basis, implement RF software architectures, and bring up RF systems, • Development of algorithms for RF digital signal processing and calibration, • Design and optimization of RF system control algorithms to improve performance and reliability, • Work with ground software teams to develop and test satellite to ground data pipelines Minimum Qualifications • Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering or related technical field, • 2+ years of experience in developing software for wireless systems in critical applications, • 2+ years writing embedded C/C++ code, • Ability to work in the lab with RF equipment including spectrum analyzers, signal generators, and software defined radios, • Proficient in testing and troubleshooting complex mixed signal boards, • Proficient in testing RF components such as PA’s, PLL’s, LNA’s, and mixers, • Strong understanding of the major blocks of RF signal modulation/demodulation Preferred Skills and Experience • Xilinx UltraScale+ board bring up and development experience, • Experience implementing baseband software for systems using PSK, GFSK, or APSK, • Experience with common RF protocols such as DVB-S2, and CCSDS, • Experience writing software or firmware for a space environment (space link budgets, ground station integration, etc.), • Experience with GNU radio flowgraph development and troubleshooting Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. Impulse Space’s spacecraft manufacturing business is subject to U.S. export regulations including the International Traffic in Arms Regulations (ITAR) and Export Administration Regulations (EAR). This position requires applicants to be either U.S. Persons (i.e., U.S. citizen, U.S. national, lawful permanent U.S. resident (green card holder), an individual granted asylum in the U.S., or an individual admitted in U.S. refugee status) or persons eligible to obtain an export license from the U.S. Departments of State, Commerce, or other applicable U.S. government agencies. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space 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 DescriptionDescriptionAs a Senior Mechanical Engineer at Impulse for our Avionics Team, you are responsible for the design, build, test/analysis & integration of your hardware - working with cross-functional engineering teams to accomplish this. This means cradle-to-grave ownership of mechanical designs and systems in support of Impulse’s collection of next generation advanced propulsion space vehicles. Responsibilities • Lead full-cycle development of avionics hardware from concept through launch, • Define system-level requirements and drive mechanical design decisions, • Perform detailed analysis of structural dynamics, thermal behavior, vibration, and environmental resilience for avionics components (hand calculations and FEA), • Drive design-for-manufacturability (DFM) and design-for-assembly (DFA) principles across the product lifecycle; engage directly with suppliers to ensure quality and scalability, • Collaborate cross-functionally with electrical, propulsion, GNC, and structural engineering teams to architect integrated solutions that optimize vehicle performance and reliability, • Define and refine build processes; author comprehensive documentation and work instructions, drawings (with GD&T), and build/test plans, • Own and manage the mechanical interface between avionics systems and vehicle structures, ensuring alignment with system-level requirements and constraints, • Support and lead structural and thermal qualification testing, • Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or a closely related discipline (Master’s preferred), • 5+ years of experience in mechanical design, with a focus on aerospace or high-performance electronics systems, • Advanced proficiency in CAD tools (e.g., NX, Creo, SolidWorks), with demonstrated ability to lead complex assemblies and mentor junior designers, • Deep understanding of precision machining, sheet metal fabrication, and thermal management strategies for avionics enclosures, • Expertise in GD&T, tolerance stack-up analysis, and mechanical reliability under dynamic loads, • Proven ability to communicate complex technical concepts clearly across engineering and manufacturing teams; experience presenting to leadership and external partners, • Masters' degree in mechanical or aerospace engineering, • 7 years' of demonstrated mechanical design & analysis with space-flown hardware, • 4+ years' of demonstrated understanding of geometric dimensioning & tolerancing (GD&T), • 4+ years' of demonstrated experience with Finite Element Analysis (FEA) using FEMAP, Ansys, or similar tools, • Experience with mechanical design in challenging vibration/thermal environments, • In order to be successful in this role, you should be someone who is uniquely creative, self-driven, and is able to lead his or her own projects to completion, • Experience at a startup or agile development environment, • Experience with NX and Teamcenter Additional Information: Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space 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 DescriptionDescriptionAs a Simulation Engineer, you will be responsible for developing and maintaining high-fidelity simulations of space vehicle dynamics, sensors, actuators, and propulsion systems, with the potential to expand into other subsystems. You will work closely with GNC, software, and test teams to ensure accurate modeling and analysis to support design, verification, and mission planning efforts for Mira, Helios, and more. Responsibilities • Develop physics-based models of vehicle dynamics, reaction systems, propulsion systems, and other subsystems as needed., • Integrate simulation framework into hardware-in-the-loop testbeds., • Collaborate with engineers across disciplines to validate simulation models and behaviors against analysis and test data., • Support system-level analysis, trade studies, and performance assessments., • Contribute to software and tool development to improve simulation workflows., • Provide simulation support for verification and validation of flight software., • Participate in simulation reviews, test readiness reviews, and mission dress rehearsals. Minimum Qualifications • Bachelor’s degree in Aerospace Engineering, Mechanical Engineering, Physics, Math, or a related field., • 7+ years of experience in modeling and simulation of physical systems., • Proficiency in C++ and Python., • Strong understanding of dynamics, thermodynamics, and/or fluid mechanics., • Experience with version control systems such as Git., • Experience with LabView. Preferred Skills and Experience • Master’s degree or higher in a relevant field., • Experience with space vehicle dynamics, propulsion, and/or thermal systems modeling., • Familiarity with multi-disciplinary simulation tools (e.g., Modelica, Simscape, or Amesim)., • Experience with software-in-the-loop (SIL) or hardware-in-the-loop (HIL) testing environments., • Ability to work in a fast-paced, collaborative environment and manage multiple priorities. Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. Impulse Space’s spacecraft manufacturing business is subject to U.S. export regulations including the International Traffic in Arms Regulations (ITAR) and Export Administration Regulations (EAR). This position requires applicants to be either U.S. Persons (i.e., U.S. citizen, U.S. national, lawful permanent U.S. resident (green card holder), an individual granted asylum in the U.S., or an individual admitted in U.S. refugee status) or persons eligible to obtain an export license from the U.S. Departments of State, Commerce, or other applicable U.S. government agencies. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space 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 DescriptionDescriptionAs a Senior Development Test Engineer at Impulse, you will be responsible for all aspects of test equipment design and test operations while working closely with a fast paced, agile team that produces high-performance spacecraft from clean sheet designs. Responsibilities • Design and build fluid, mechanical and electrical systems in support of liquid rocket propulsion and spacecraft systems testing, • Fully own key test assets and major test programs while collaborating with wide ranging teams across the company, including Redondo Beach and Mojave, • Coordinate with external vendors and contractors to meet project technical and schedule objectives, • Perform test setup, hardware inspections, checkouts and troubleshooting as needed, • Conduct test operations geared toward rapidly developing hardware for spaceflight, • Resolve technical issues with innovative and resourceful solutions Minimum Qualifications • Bachelor’s degree in mechanical, aerospace, electrical engineering or related field, • 5+ years of experience in hardware development testing, • Strong engineering fundamentals in thermal, structural, and fluids analysis, • Prior hands-on operational experience working with aerospace test facilities, • Previously demonstrated ownership of test stand design and build-up, • Able to create and clearly communicate fluid P&IDs, electrical and controls schematics, • Able to identify and procure appropriate test equipment, • Proficient with data acquisition and control methods, • Demonstrated ability of taking project ownership and working well in small teams Preferred Skills and Experience • Demonstrated prior experience working with complex systems including cryogenic propellants, high pressure gas systems, hydraulics and/or combustion devices, • Demonstrated working knowledge of components (valves, regulators, sensors, power supplies) and hands-on skills (tube fabrication, metalworking, wiring), • Demonstrated hardware testing experience with rocket engines, or spacecraft, • Experience in a startup or agile development environmentAdditional Requirements: Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space 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 About Us: We are a medical device manufacturer based in Inglewood, CA, specializing in innovative thermotherapy and cryotherapy technologies. We're looking for a detail-oriented Junior Manufacturing Engineer who is interested in gaining hands-on experience in medical device manufacturing, system testing, and process development. Position Overview: As a Senior Assembly Technician, you will conduct assembly, troubleshooting, and testing of our flagship product line of temperature therapy devices. You’ll also support and maintain critical infrastructure such as test equipment, assist with inventory and procurement processes, and contribute to the day-to-day operation of our production floor. Attention to detail is critical for this position. Please include the keyword hypothermia in your application to let us know you're paying attention. Key Responsibilities: • Assemble and test electromechanical devices for clinical thermotherapy and cryotherapy, • Troubleshoot, repair, and refurbish existing products, • Assist with the upkeep and monitoring of test equipment used in the manufacturing process, • Keep clear and detailed records of manufacturing processes using a combination of digital records and paper travelers in accordance with the company’s quality system., • Support inventory tracking and kitting for manufacturing as needed, • Collaborate with engineering and quality teams to ensure process consistency and compliance, • Minimum 2 years of experience in hands-on electromechanical assembly, ideally in a regulated environment such as medical devices or aerospace., • Strong electromechanical aptitude and attention to detail, • Comfortable using spreadsheets and working with Google Drive and Google Workspace tools (Docs, Sheets, etc.), • Associate’s or Bachelor’s degree in Mechanical Engineering, Manufacturing Engineering, or related field, • Familiarity with ISO 13485 or manufacturing under any formal quality management system, • Competitive salary commensurate with market standards for similar positions, • A collaborative, mission-driven work environment, • Opportunities for learning and growth in a regulated industry, • The chance to contribute to meaningful products that help improve livesCompany DescriptionGame changing technology for injury recovery.Game changing technology for injury recovery.

Job DescriptionDescriptionVenturi Astrolab, Inc. (Astrolab) is pioneering new ways to explore and operate on distant planetary bodies. We are singularly focused on designing, building, and operating a fleet of multi-purpose commercial planetary rovers to extend and enhance humanity’s presence in the solar system. We are seeking motivated, creative, and exceptional people to join our world-class team. As an EMC Engineer, you will be responsible for ensuring Avionics components are designed to endure the harsh electromagnetic environmental effects of interplanetary space. You will play a pivotal role in defining the design criteria for state-of-the-art avionics and electro-mechanical systems for the lunar surface with a strong focus on electromagnetic compatibility, in-space charging effects, and interdisciplinary requirements. You will be joining a company at the ground-level and have immense influence over the future of lunar exploration. What you'll do: • Collaborate closely within cross-functional Engineering teams to capture requirements, lead design trades with respect to EMI/EMC, and integrate the design into the rover systems., • Contribute to full avionics and electro-mechanical systems/subsystems from system to component level with specific focus on E3 design criteria and operational/survivability requirements., • Analyze and contribute to designs relating to the effects of circuit and power system grounding architectures, structural electrical bonding, circuit isolation, shielding effectiveness, radiated/conducted emissions and susceptibility, near field/far field electromagnetics, transient protection, signal and power integrity, and general RF compatibility., • Troubleshoot EMI issues from board to system level., • Operate and automate a variety of EMI, RF, and electronics test equipment (spectrum analyzers, network analyzers, signal generation, oscilloscopes) within the context of avionics development and in house EMC testing., • Create and update technical documentation including command media, system diagrams, schematics, interface control documents, procedures, work and/or build orders, vendor and payload requirements, and test/anomaly reports., • Bachelor’s degree in electrical engineering, physics, or other engineering discipline., • 5+ years of experience in EMI/EMC requirements, analysis, design, and testing for spacecraft systems and/or avionics component design (academic and personal projects apply)., • Proficient in the use of lab equipment such as oscilloscopes, multimeters, signal generators, logic analyzers, etc., • Proficient with Analytics/Modeling/Simulation tools such as LTSpice, and experience with electrical circuit analysis using simulation tools such as Spice or equivalent., • Familiarity with SMC-S-016 testing requirements, and testing per SMC-S-016., • Knowledge of electrical safety and EMC commercial compliance standards and/or testing., • MIL-STD-461 experience across the full range of EMC test (radiated susceptibility, radiated emissions, conducted susceptibility, conducted emissions) standards., • Experience in high power avionics system designs for spacecraft including: LDO Regulators, Buck/Boost converters, power line filters and various spacecraft grounding schemes for high voltage systems., • Experience in motor controller system designs for brushless DC motors (BLDC) and permanent magnet synchronous motors (PMSM) in both low and high voltage systems., • Ability to read, interpret and follow circuit schematics, PCB layouts, engineering drawings, BOMs, cable harnesses, wiring schematics, interface diagrams, layout drawings, mechanical drawings, and CAD software., • Creative problem solver that can assess risk and make collaborative design and development decisions., • Strong presentation experience in highly technical design forums and reviews (Preliminary Design Reviews, Critical Design Reviews, Flight Readiness Reviews, etc.)., • Experience with NX or similar CAD software including electrical harness routing., • Join a team of best-in-class engineers building the foundation of planetary surface exploration, • Equity ownership in the company, • Comprehensive health benefits, including medical, dental, vision, and mental health support, • 401(k) plan with company match, • Flexible PTO and parental leave, • Home office set up reimbursement, • Fully flexible and remote friendly work environment, • Weekly lunch stipend, plus complimentary snacks and beverages on-site, • Once a month social hour on-site with food and drinks

Job Description About Radiant is seeking a Supplier Development Engineer responsible for the onboarding, qualification, auditing, and ongoing development of suppliers to ensure compliance with applicable nuclear and industrial quality codes and standards. This role will help build a world-class, compliant, and reliable supply base capable of delivering high-quality, safety-critical components for our micro reactor systems. The ideal candidate is detail-oriented, collaborative, and eager to grow subject matter expertise within highly regulated industries. Responsibilities * Lead the supplier onboarding and qualification process, including pre-assessments, audits, and capability reviews. * Conduct supplier audits against relevant standards (references skills & qualifications below) * Manage supplier corrective actions, non-conformance investigations, root cause analysis, and effective resolution of supplier quality issues. * Oversee supplier inspections, product witness points, and documentation reviews to ensure code and specification compliance. * Partner cross-functionally with design, materials, and manufacturing engineering teams to understand technical design intent — including components, assemblies, and metrology — and support resolution of supplier quality and performance issues. * Track supplier performance metrics and drive continuous improvement initiatives. * Work toward achieving certified NQA-1 auditor status (if not already certified) and pursue qualified inspector credentials as appropriate. * Support supplier capability development plans to meet evolving quality and regulatory requirements. * Maintain accurate records and reports to support audits, regulatory reviews, and internal reporting. Deliverables * Lead supplier onboarding, capability assessments, and compliance audits against NQA-1, 10 CFR 50 Appendix B, 10 CFR 21, ASME, ISO, and other standards. * Maintain supplier performance metrics, manage supplier scorecards, and drive continuous improvement initiatives based on audit results and performance trends. * Investigate supplier non-conformances, lead root cause analysis, manage corrective actions (SCARs), and verify resolution effectiveness. * Develop and execute inspection and witness point plans, perform code-compliant product inspections, and review documentation for critical nuclear components. * Obtain Certified NQA-1 Lead Auditor status within 12 months, work toward Qualified Inspector credentials, and stay current on applicable codes, standards, and industry best practices. Skills & Qualifications * Required: * Bachelor’s degree in Engineering, Supply Chain, Quality, or a related field. * 2–7 years of relevant experience in supplier quality, supplier development, or quality engineering within highly regulated industries (nuclear, aerospace, medical device, or industrial). * Working knowledge of quality systems such as ISO-9001, AS-9100, or equivalent. * Establish proactive communication channels and trusted relationships with key suppliers to ensure consistent performance, foster collaboration, and drive continuous improvement. * Ability and willingness to travel to supplier locations domestically and internationally (up to 30%). * Preferred: * Experience in the nuclear energy industry or working with nuclear codes, standards, and regulations. * Familiarity with NQA-1, 10 CFR 50 Appendix B, 10 CFR 21, ASME BPVC Section III & VIII. * Experience conducting supplier audits, product inspections, and quality investigations. * Certified NQA-1 Lead Auditor or willingness to obtain certification within 12 months. * Exposure to ISO-17025 accredited laboratories or certification bodies. Additional Requirements * Must be willing to work extended hours and weekends as necessary to accomplish our mission. * Must work 100% onsite at El Segundo HQ. Benefits and Perks * Stock: Substantial incentive stock plan for all full-time employees. * Medical: 100% up to base silver level plan for employee + 50% dependents, offers up to Platinum plans. * One Medical: Sponsored memberships for employees and their dependents. * Vision: 100% top tier plan coverage + 50% for dependents. * Dental: 100% top tier plan coverage, orthodontia extra, 50% for dependents. * Voluntary life, accident, hospital, critical illness, commuter and FSA/HSA are offered as employee contributed benefits. * 8-weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees. * Daily catered lunch. Free snacks and drinks. * Flexible PTO policy. Remote workday allocation. * Company and team-bonding events, happy hours and in-person camaraderie. * Beautiful El Segundo headquarters close to the Pacific Ocean. Total Compensation and Benefits Radiant compensates people for impact and invests in those who continue to raise the bar. Radiant’s new hire compensation package includes base salary, substantial equity grants, and comprehensive health benefits. Total compensation and level are determined through a rigorous evaluation of interview performance, experience, education, and qualifications, and are designed to support continued growth as scope, responsibility, and impact expand at Radiant. The best of today’s advanced reactor builders don’t wait for job postings. They join the winning team. If that’s you, contact us directly for immediate opportunities: . We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law. Unfortunately, we are unable to provide visa sponsorship at this time. This position involves access to technology that is subject to U.S. export controls. Any job offer made will be contingent upon the applicant’s capacity to serve in compliance with U.S. export controls. Compensation Range: $85.5K - $168K