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 Thermal-Hydraulics Engineer Radiant IndustriesSenior Thermal-Hydraulics EngineerEl Segundo, CA$139.50–$224.70 / 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. 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 Thermal Modeling Engineer Radiant IndustriesSenior Thermal Modeling EngineerEl Segundo, CA$139.50–$224.70 / 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. 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 Mission Engineer K2 SpaceSenior Mission EngineerLos Angeles, CA$125,000–$250,000 / 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. As a Mission Engineer within National Security Programs, you'll serve as the primary technical interface between K2 Space, customers, and partners as we develop and shape mission architectures for future and ongoing opportunities to host advanced payload capabilities onto K2's satellite bus platform.
NewSenior Propulsion Mechanical Design Engineer K2 SpaceSenior Propulsion Mechanical Design EngineerLos Angeles, CA$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. 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.
NewPrincipal RF Antenna Engineer K2 SpacePrincipal RF Antenna EngineerLos Angeles, CA$200,000–$270,000 / 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. Assist with design and validation testing for radio-frequency and microwave hardware from UHF through Ka band, including antennas, low noise amplifiers, power amplifiers, filters, high-speed converters, and other RF electronic components.
NewAutomation Engineer, Material Conveyance Hadrian AutomationAutomation Engineer, Material ConveyanceTorrance, CA$140,000–$220,000 / 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. You will scope, deploy, and operate AMR fleets, floor conveyance, overhead material movement via cranes / gantries / hoists, and the MES / WMS integration that turns Hadrian's cells into an actual factory instead of a collection of islands.
NewSenior Mission Payload Engineer (TS//SCI) K2 SpaceSenior Mission Payload Engineer (TS//SCI)Los Angeles, CA$135,000–$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. In this role, you will work closely with Program Managers and key engineering disciplines to define and negotiate payload interfaces (mechanical, data and software, power, mission, etc.) and develop integration and test plans that ensure successful mission execution.
NewMechanical Design Engineer Hadrian AutomationMechanical Design EngineerTorrance, CA$165,000–$220,000 / 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. Series D at a $7.87B valuation, Hadrian is rapidly expanding our manufacturing footprint, launching new capabilities across welding, casting, forging, electronics, additive manufacturing, and more, while scaling our Factory-as-a-Service platform to transform how critical products are built.
NewForward Deployed Engineer Hadrian AutomationForward Deployed EngineerTorrance, CA$120,000–$250,000 / 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. Series D at a $7.87B valuation, Hadrian is rapidly expanding our manufacturing footprint, launching new capabilities across welding, casting, forging, electronics, additive manufacturing, and more, while scaling our Factory-as-a-Service platform to transform how critical products are built.
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.
NewMechanical Engineer, Fluid Systems - 2026 New Graduate Radiant IndustriesMechanical Engineer, Fluid Systems - 2026 New GraduateEl Segundo, CA$105,000–$125,000 / 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.
NewSupplier Quality / Development Engineer Radiant IndustriesSupplier Quality / Development EngineerEl Segundo, CA$100.50–$142.80 / hourOwn Radiant's procurement assurance and acceptance framework — define how items are accepted across supplier types and quality levels, establish purchase order quality requirements, certifications, material traceability, and compliance documentation, and build toward a graded, systematized model. While you'll have the technical depth to handle non-conformances and corrective actions when they arise, your primary focus is upstream: strengthening supplier processes, closing capability gaps, and building a supply base that performs without constant intervention.
NewSr. Electrical Engineer EsselSr. Electrical EngineerPomona, CACoordinates internal and external resources (consultants) towards the completion of assigned electrical design projects while working closely with internal Asset Management departments, including Engineering Design, Engineering Planning, Technology Services, Capital Program Management, Operations, and Water Quality to ensure project objectives are achieved. The Senior Electrical Engineer reports to the Engineering Design Manager and is accountable for cost effective and timely delivery of electrical design services in support of our client's water supply plants, water treatment systems, pumping plants, water storage, and water distribution control plants.
Senior Network Software Engineer II - Secret Clearance Rocket Lab CorporationSenior Network Software Engineer II - Secret ClearanceLong Beach, CA$150,000–$225,000 / yearTo conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Our Space Systems team builds everything from complete spacecraft, precision payloads to the components and subsystems that allow them to thrive in space, like solar panels, flight software, star trackers, optical systems, separation systems, radios, and more.
Senior Network Software Engineer I - Secret Clearance Rocket Lab CorporationSenior Network Software Engineer I - Secret ClearanceLong Beach, CA$130,000–$198,000 / yearTo conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Our Space Systems team builds everything from complete spacecraft, precision payloads to the components and subsystems that allow them to thrive in space, like solar panels, flight software, star trackers, optical systems, separation systems, radios, and more.
Associate Software Engineer (Intern / Co-Op) Mesh Optical TechnologiesAssociate Software Engineer (Intern / Co-Op)Gardena, California$26–$38 / hourPortfolio of hands-on projects with a hardware element: embedded firmware, robotics, signal-processing, etc. for Formula SAE, SolarCar, Robotics, CubeSats, or other club/personal builds. Your projects demonstrate not just software engineering aptitude but also multidisciplinary knowledge of electrical engineering and mechanical engineering concepts.
NewArtificial Intelligence Software Engineer Booz Allen Hamilton Inc.Artificial Intelligence Software EngineerEl Segundo, CA$69,400–$158,000 / year1+ years of experience working with a full-stack LLM solutions, including RAG implementation, model selection or registry management such as Hugging Face, and LLM frameworks such as LangChain and LlamaIndex, and using embedding models and vector databases. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.
NewEmbedded Software Engineer Booz Allen Hamilton Inc.Embedded Software EngineerEl Segundo, CA$52,900–$108,000 / yearOnsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. Ability to effectively communicate, work independently and collaboratively on a cross-functional team, and demonstrate initiative to complete complex tasks to achieve program goals in a fast-paced environment.
NewInstrumentation and Monitoring Engineer Nicholson Construction CompanyInstrumentation and Monitoring EngineerTorrance, CAInstall and maintain the performance of various geotechnical and structural monitoring instruments following Sixense procedures, including but not limited to datalogging systems and Automatic Motorized Total Stations. In this hands-on role, you will work closely with the local team to prepare, install, and service a wide range of monitoring equipment in diverse environments.