NewSenior Battery Engineer Safire Technology Group, Inc.Senior Battery EngineerCulver City, CAOur technology spans from high-performance cells to scalable storage systems, with smart battery features and battery management designed to improve performance, lifespan, and resilience. Support customer engagements, technical proposals, and application documentation in collaboration with business development teams.
NewElectrical Engineer - Mission Critical Harley Ellis DevereauxElectrical Engineer - Mission CriticalEl Segundo, CAIndividuals in this role are expected to deepen their technical knowledge, begin supporting client interaction, and develop the critical thinking required for future engineering leadership roles. Coordinate electrical design with internal disciplines (mechanical, plumbing, lighting, sustainability) and external consultants (e.g., low voltage, civil) to resolve design conflicts.
NewSenior Mechanical Engineer - Turbomachinery Rotordynamics Radiant IndustriesSenior Mechanical Engineer - Turbomachinery RotordynamicsEl Segundo, CA$158,000–$219,450 / yearRadiant is seeking a highly motivated Senior Mechanical Engineer, Turbomachinery (Rotordynamics) to join the team responsible for the power generation and primary cooling turbomachinery of our Kaleidos product. 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.
NewSenior Mechanical Engineer, Mechanisms Radiant IndustriesSenior Mechanical Engineer, MechanismsEl Segundo, CA$133.50–$184.80 / hourPortable 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. Perform detailed thermomechanical analysis (static strength, durability/fatigue) and kinematic analysis to determine structural integrity and performance margins using both hand calculations and finite element tools.
NewSenior Mechanical Engineer - Structures Radiant IndustriesSenior Mechanical Engineer - StructuresEl Segundo, CA$133.50–$184.80 / hourPerform detailed thermomechanical analysis (static strength, durability/fatigue) and dynamic analysis (vibration, shock) to determine structural integrity (margins of safety) using both hand calculations and finite element tools. 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.
NewMechanical Engineer, Fluid Systems Radiant IndustriesMechanical Engineer, Fluid SystemsEl Segundo, CAPortable 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. Radiant’s unique, practical approach to nuclear development leverages modern software engineering to rapidly deliver safe, factory-built microreactors that use existing, well-qualified materials.
NewRF System Operations Engineer II Relativity SpaceRF System Operations Engineer IIEl Segundo, CA$109,000–$163,000 / yearAny unsolicited submission - via email, our website, social media, or directly to an employee - will be deemed the property of Relativity Space, and no fee will be owed absent a current, fully executed agreement with Talent Acquisition that specifically authorizes submissions for the applicable role. Build out and commission RF Ground Systems in support of Terran R launch campaigns through the operation of telemetry receivers and ground station equipment during launches, flight tests, and ground operations.
NewSenior Mechanisms Engineer Radiant IndustriesSenior Mechanisms EngineerEl Segundo, CA$133.50–$184.80 / hourPortable 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. Perform detailed thermomechanical analysis (static strength, durability/fatigue) and kinematic analysis to determine structural integrity and performance margins using both hand calculations and finite element tools.
NewSenior Equipment Engineer Radiant IndustriesSenior Equipment EngineerEl Segundo, CA$133.50–$184.80 / hourAbout the Role Radiant is seeking a highly motivated Senior Equipment Engineer who will be working closely with design engineers and the manufacturing team to develop and innovate custom equipment to build and assemble our microreactor system. 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.
NewNuclear Engineer, Core Physics Radiant IndustriesNuclear Engineer, Core PhysicsEl Segundo, CA$106,500–$146,475 / yearPortable 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. Radiant’s unique, practical approach to nuclear development leverages modern software engineering to rapidly deliver safe, factory-built microreactors that use existing, well-qualified materials.
NewNuclear Engineer, Sensors Radiant IndustriesNuclear Engineer, SensorsEl Segundo, CA$106,500–$146,475 / yearOwnership of sensor and instrumentation design and analysis, examples include: Radiation Detection : Design, specify, and qualify in-core and ex-core detector systems (fission chambers, ion chambers, and other detector technologies) for neutron flux and radiation monitoring. 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.
NewSenior Stress Engineer Radiant IndustriesSenior Stress EngineerEl Segundo, CA$133.50–$184.80 / hourAbout the Role Radiant is seeking a Stress Engineer to own and execute structural loads, vibration, and dynamic analyses for complex mechanical systems associated for Kaleidos, the world's first portable microreactor and supporting hardware. 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.
NewRegulatory Engineer Radiant IndustriesRegulatory EngineerEl Segundo, CA$133,500–$190,050 / yearPortable 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. Oversee execution by technical teams including design reviews and regulatory and quality documentation; organize their inputs into data products and reports; raise regulatory concerns and see through timely and successful resolution.
NewQuality Systems Engineer Radiant IndustriesQuality Systems EngineerEl Segundo, CA$133,500–$190,050 / yearPortable 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. Radiant’s unique, practical approach to nuclear development leverages modern software engineering to rapidly deliver safe, factory-built microreactors that use existing, well-qualified materials.
NewSenior Nuclear Thermal-Hydraulics Engineer Radiant IndustriesSenior Nuclear Thermal-Hydraulics EngineerEl Segundo, CA$139,500–$196,875 / yearYou will own the modeling that determines how heat, coolant, and reactor core behavior interact under normal and accident conditions — work that directly informs core design, cooling systems, and safety case development for the first mass-produced nuclear reactor. 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.
NewSenior Reactor Operations Engineer Radiant IndustriesSenior Reactor Operations EngineerEl Segundo, CA$133.50–$184.80 / hourPrior 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. 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.
NewSite Reliability Engineer, Robotics Hadrian AutomationSite Reliability Engineer, RoboticsTorrance, CA$164,000–$270,000 / yearBacked by leading investors including JPMorgan Chase, Valor Equity Partners, Andreessen Horowitz, Founders Fund, 137 Ventures, Lux Capital, T. Rowe Price, and Morgan Stanley, we’re building the future of American manufacturing—and looking for exceptional people to help make it happen. By combining AI, advanced software, robotics, and full-stack manufacturing, we help aerospace and defense companies build rockets, satellites, aircraft, ships, and other mission-critical systems up to 10x faster and at significantly lower cost.
NewPrincipal Site Reliability Engineer KēSTA I.T.Principal Site Reliability EngineerBeverly Hills, CAAn innovative technology company is seeking experienced Site Reliability Engineers to take ownership of building reliable, scalable platforms that deliver advanced 3D/4D spatial content to global users across AR/VR environments. This is a high-impact role focused on ensuring system reliability at scale, requiring deep expertise in observability, multi-tenant architectures, and data-driven operational decision-making.
NewPrincipal Electrical Engineer, Integration & Test Radiant IndustriesPrincipal Electrical Engineer, Integration & TestEl Segundo, CA$200,500–$314,475 / yearPortable 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. The ideal candidate brings deep electrical engineering expertise, strong systems-level thinking, and a track record of leading complex hardware programs from concept to deployment.
NewSenior Electrical Engineer, Integration & Test Radiant IndustriesSenior Electrical Engineer, Integration & TestEl Segundo, CA$158,000–$219,450 / yearRadiant is seeking a Senior Electrical Engineer to lead the design, build, and maintenance of Radiant's electrical test infrastructure 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.