Field Application Engineer (SEG, Irvine) TeradyneField Application Engineer (SEG, Irvine)Irvine, CA$97,800–$156,400 / yearThe Teradyne Field Applications team is looking for a highly-motivated, energetic and driven Field Application Engineer, who will work collaboratively with the team as well as independently to determine and develop imaginative, thorough, and practical application solutions. + Must have Test / Product engineering experience in Digital, High-Speed Digital, High-Power Computing, System on Chip, Mixed Signal, or Analog testing and test development on ATE (Automated Test Equipment) platforms.
Senior QA Engineer AltruistSenior QA EngineerLos Angeles, CA$170,000–$215,000 / yearWorking closely with Engineering, Product, and cross-functional partners, you will develop testing strategies for both core platform capabilities and AI-powered features to support high-quality feature delivery at scale. Technical aptitude- Proficiency with SQL and comfort validating data directly in the database; proficiency with Java or another object-oriented language; hands-on experience building automation with Selenium or Playwright, plus REST Assured and Postman.
Engineering Manager, Integration & Test Radiant IndustriesEngineering Manager, Integration & TestEl Segundo, CaliforniaRadiant is seeking an Engineering Manager, Integration & Test, to lead the electrical engineering team responsible for test infrastructure and system integration for Kaleidos, Radiant's commercial microreactor unit targeted for deployment in 2028. Portable nuclear power with rapid-deploy capability can replace similar-sized diesel generators and provide critical asset support for hospitals, data centers, remote sites, and military bases.
Avionics HITL & Test Technician K2 SpaceAvionics HITL & Test TechnicianLos Angeles, California$35–$52 / hourBacked by $450M from leading investors including Altimeter Capital, Redpoint Ventures, T. Rowe Price, Lightspeed Venture Partners, Alpine Space Ventures, and others – with an additional $500M in signed contracts across commercial and US government customers – we’re mass-producing the highest-power satellite platforms ever built for missions from LEO to deep space. Engineered to survive the harshest radiation environments and to fully capitalize on today’s and tomorrow’s massive rockets, K2 satellites deliver unmatched capability at constellation scale and across multiple orbits.
ATLO (Assembly, Test & Launch Operations) Functional Manager - Millennium Space Systems BoeingATLO (Assembly, Test & Launch Operations) Functional Manager - Millennium Space SystemsEl Segundo, California$151,300–$222,500 / yearCandidates must have at least one year of experience in a leadership role (team leader, temp manager, large scale cross functional project/program management, or formal manager experience) OR have completed the Boeing internal course “Exploring Leadership". Millennium Space Systems also provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work.
Software Engineer, Data - Top Secret Clearance (Starlink) SpaceXSoftware Engineer, Data - Top Secret Clearance (Starlink)Hawthorne, CA$125,000–$160,000 / yearBachelor's degree in computer science, data science, engineering, math, physics, or scientific discipline; OR 2+ years of professional experience building software in lieu of a degree. 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.
Senior Software Engineer – .NET, React/Angular, Azure & AI WorkiySenior Software Engineer – .NET, React/Angular, Azure & AIIrvine, CaliforniaThe ideal candidate will have strong technical leadership experience across application architecture, development, testing, deployment, and maintenance in both on-premises and cloud-native environments. NET Developer with strong experience in C#, NET, React and/or Angular, Azure, SQL Server, and microservices to join our client team in Irvine, CA.
Principal GNC Engineer AstrolabPrincipal GNC EngineerHawthorne, California$180,000–$235,000 / yearEnsure the GNC and perception system design, implementation, and testing are closely coordinated with affected stakeholders such as vehicle engineering (for sensor and lighting placement), avionics, software, and mission operations team. What you'll do: Lead the design, verification, validation, testing, and characterization of GNC and perception systems for manual, semi-autonomous, and autonomous rover operations in a fast-moving, schedule-constrained development environment.
Staff Robotic Control Systems Engineer AstrolabStaff Robotic Control Systems EngineerHawthorne, CaliforniaRemote$190,000–$220,000 / year10+ years of experience designing, developing, testing, analyzing, and tuning robotic control systems for extra-terrestrial rovers, including mobility systems, robotic arms, or similar robotic mechanisms, with direct experience developing motor controller control loops and robotic arm control systems. Astrolab is seeking an experienced control systems engineer to support development of control systems for extra-terrestrial rovers such as in-house motor controller development, vehicle mobility system control, robotic arm control, and high gain communication antenna pointing control.
Full Stack QA & Development Engineer KORE1 TechnologiesFull Stack QA & Development EngineerDuarte, CARemote$45–$50 / hourThis role combines hands-on software development with strong quality assurance expertise and is ideal for an engineer who is passionate about maintaining high code quality, building robust testing frameworks, and collaborating closely with development teams. This role requires a technically strong engineer who can contribute to application development while championing automated testing, code review practices, and continuous improvement across the engineering lifecycle.
Weapons Integration Engineer (Multiple Levels) Castelion CorporationWeapons Integration Engineer (Multiple Levels)Torrance, CaliforniaYou will own platform integration efforts from early concept and capability studies through prototype development, test, and operational deployment - collaborating with propulsion, avionics, GNC, software, flight test, and manufacturing teams to deliver mission-ready solutions. 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.
Senior System Safety Engineer Castelion CorporationSenior System Safety EngineerTorrance, CaliforniaCastelion's approach to system safety is grounded in responsible engineering: hazards are systematically identified, risks are clearly documented, mitigations are technically justified, and risk acceptance decisions are explicit, traceable, and made at the appropriate level of authority. 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.
Senior Avionics Systems Engineer K2 SpaceSenior Avionics Systems EngineerLos Angeles, California$140,000–$190,000 / yearBacked by $450M from leading investors including Altimeter Capital, Redpoint Ventures, T. Rowe Price, Lightspeed Venture Partners, Alpine Space Ventures, and others – with an additional $500M in signed contracts across commercial and US government customers – we’re mass-producing the highest-power satellite platforms ever built for missions from LEO to deep space. Engineered to survive the harshest radiation environments and to fully capitalize on today’s and tomorrow’s massive rockets, K2 satellites deliver unmatched capability at constellation scale and across multiple orbits.
Principal Avionics Systems Engineer K2 SpacePrincipal Avionics Systems EngineerLos Angeles, California$180,000–$240,000 / yearBacked by $450M from leading investors including Altimeter Capital, Redpoint Ventures, T. Rowe Price, Lightspeed Venture Partners, Alpine Space Ventures, and others – with an additional $500M in signed contracts across commercial and US government customers – we’re mass-producing the highest-power satellite platforms ever built for missions from LEO to deep space. Engineered to survive the harshest radiation environments and to fully capitalize on today’s and tomorrow’s massive rockets, K2 satellites deliver unmatched capability at constellation scale and across multiple orbits.
Rover Navigation/Localization Engineer AstrolabRover Navigation/Localization EngineerHawthorne, CaliforniaRemote$140,000–$200,000 / yearWhat you'll do: Design, prototype, and analyze navigation/localization algorithms for extraplanetary mobility systems using simulated and real data from motor resolvers, IMUs, star trackers, cameras, and LiDARs. 5+ years of experience designing, developing, and testing navigation and localization systems for rovers, autonomous vehicles, mobile robotic platforms, GPS-denied navigation systems, or similar applications.
Senior Reactor Operations Engineer Radiant IndustriesSenior Reactor Operations EngineerEl Segundo, CaliforniaPrior experience working as an operator in nuclear environments (e.g., nuclear energy, naval reactors, or radiation-controlled facilities), with familiarity in safety protocols, regulatory compliance, and high-reliability operations. Your work will ensure that Reactor Operators (ROs) and Senior Reactor Operators (SROs) can efficiently and safely execute test, commissioning, and operational activities.
QA Engineer SkimlinksQA EngineerLos Angeles, CAConnexity, a Taboola company, is a leading commerce media and performance marketing technology company that helps retailers connect with high-intent shoppers and drive incremental sales across the open web. They will work closely with Product, Engineering, and Operations teams to identify issues early, improve test coverage, and help deliver exceptional user experiences.
Radiation Effects Engineer SpaceXRadiation Effects EngineerHawthorne, CA$105,000–$122,500 / yearIn order to ensure maximum reliability in an ionizing radiation environment, the Radiation team at SpaceX performs exhaustive analysis, design, and test at the component, board, unit, and subsystem levels with extensive opportunity to interact with a vast array of rocket and spacecraft hardware and electronics. As one of the few teams required to interface with the design, manufacturing, integration, and mission operations teams, we play a critical role in the development of our systems as we advance our efforts towards broadband satellite internet and safe, reliable, inexpensive, and innovative access to space.
Principal Mechanisms Engineer, Optical K2 SpacePrincipal Mechanisms Engineer, OpticalLos Angeles, California$175,000–$200,000 / yearBacked by $450M from leading investors including Altimeter Capital, Redpoint Ventures, T. Rowe Price, Lightspeed Venture Partners, Alpine Space Ventures, and others – with an additional $500M in signed contracts across commercial and US government customers – we’re mass-producing the highest-power satellite platforms ever built for missions from LEO to deep space. Experience designing harness routing, cable wraps, slip rings, and other cable-management approaches for continuously or widely rotating mechanisms, including routing optical fibers through moving axes while managing bend radius, strain relief, and pointing disturbance.
Senior Mechanisms Engineer – Turbomachinery K2 SpaceSenior Mechanisms Engineer – TurbomachineryLos Angeles, California$140,000–$175,000 / yearBacked by $450M from leading investors including Altimeter Capital, Redpoint Ventures, T. Rowe Price, Lightspeed Venture Partners, Alpine Space Ventures, and others – with an additional $500M in signed contracts across commercial and US government customers – we’re mass-producing the highest-power satellite platforms ever built for missions from LEO to deep space. Scaling to constellations requires someone who can span the mechanical, fluid, electromechanical, and thermal-fluid domains and collaborate closely with the thermal, avionics, software, and production teams to deliver these systems at rate.