Mechanical Engineer, Fluid Systems Radiant NuclearMechanical 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.
Senior Avionics Systems Integration Engineer Castelion CorporationSenior Avionics Systems Integration EngineerTorrance, CaliforniaTo 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. 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.
Spacecraft Systems Engineer (mid-career) - Millennium Space Systems The Boeing CoSpacecraft Systems Engineer (mid-career) - Millennium Space SystemsLos Angeles, CA$99,000–$177,000 / yearBachelor's degree in engineering or science discipline and 5 or more years of directly relevant industry experience with spacecraft systems; Master's degree and 3+ years of related experience; or an equivalent combination of technical education and experience; Level 4: Bachelor's degree in engineering or science discipline and 9 or more years of directly relevant industry experience with spacecraft systems; Master's degree and 7+ years of related experience; or an equivalent combination of technical education and experience. Position Responsibilities: Responsible for all aspects of spacecraft systems engineering including performing preliminary concept development, trade studies, CONOPS definition, requirements decomposition and allocation, interface requirements definition, requirements verification and validation, support to integration and test operations, anomaly resolution, risk management, and schedule execution.
Mechanical Engineer, Fluid Systems Radiant IndustriesMechanical Engineer, Fluid SystemsEl Segundo, CaliforniaPortable 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.
Senior Manufacturing Engineer – Advanced Electromechanical Systems Sapphire TechnologiesSenior Manufacturing Engineer – Advanced Electromechanical SystemsCypress, CaliforniaSapphire Technologies is seeking a Senior Manufacturing Engineer to industrialize and scale advanced electromechanical products incorporating high-speed rotating machinery, active magnetic bearings, electric machines, power electronics, controls, liquid cooling, and precision mechanical assemblies. Develop manufacturing expertise across precision rotating assemblies, electric machines, magnetic bearings, power electronics, fluid systems, production testing, and contract-manufacturing operations.
Mechanical Engineer, Fluid Systems - 2026 New Graduate Radiant IndustriesMechanical Engineer, Fluid Systems - 2026 New GraduateEl Segundo, CaliforniaPortable 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.
Mission Analysis Engineer (Mid-career) - Millennium Space Systems BoeingMission Analysis Engineer (Mid-career) - Millennium Space SystemsEl Segundo, CaliforniaMillennium 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. You will develop methods to simulate mission scenarios and assess end-to-end constellation capabilities; design and implement image processing, inertial tracking, state estimation, and optimal control algorithms for sensor systems; and provide tools and modeling platforms for validating system performance during on-orbit mission operations.
Senior Flight Software Engineer I - Secret Clearance Rocket Lab CorporationSenior Flight Software Engineer I - Secret ClearanceLong Beach, CA$124,000–$171,000 / 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 business designs and builds our extensive line of satellites, payloads, and their components, including spacecraft that have been selected to support NASA missions to the Moon and Mars and components used on the James Webb Space Telescope.
Senior Flight Software Engineer II - Secret Clearance Rocket Lab CorporationSenior Flight Software Engineer II - Secret ClearanceLong Beach, CA$143,000–$214,000 / 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 business designs and builds our extensive line of satellites, payloads, and their components, including spacecraft that have been selected to support NASA missions to the Moon and Mars and components used on the James Webb Space Telescope.
NewSenior Flight Software Engineer II Rocket Lab CorporationSenior Flight Software Engineer IILong Beach, CA$143,000–$214,000 / 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 business designs and builds our extensive line of satellites, payloads, and their components, including spacecraft that have been selected to support NASA missions to the Moon and Mars and components used on the James Webb Space Telescope.
NewSenior Flight Software Engineer I Rocket Lab CorporationSenior Flight Software Engineer ILong Beach, CA$124,000–$171,000 / 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 business designs and builds our extensive line of satellites, payloads, and their components, including spacecraft that have been selected to support NASA missions to the Moon and Mars and components used on the James Webb Space Telescope.
2.53 3D Machine Learning Engineer Field AI Inc2.53 3D Machine Learning EngineerIrvine, CAWe bring deep experience from organizations such as DeepMind, NASA JPL, Boston Dynamics, NVIDIA, Amazon, Tesla Autopilot, Cruise, Zoox, Toyota Research Institute, and SpaceX, along with a track record of field deployments and strong performance in DARPA challenge segments. As a 3D Machine Learning Engineer, you will focus on designing, implementing, training, and maintaining cutting-edge 3D and multimodal machine learning models that process reality capture data such as 3D point clouds, 360 photos, and RGBD images.
Flight Software Engineer HermeusFlight Software EngineerLos Angeles, CA$105,000–$125,000 / yearAs a Senior Flight Software Engineer, you will work closely with our hardware and systems engineers to design, develop, and implement software for our cutting-edge aircraft systems. Final compensation will be determined based on a variety of factors, including role scope and responsibilities, relevant experience, education and training, key skills, market data, and business needs.
Senior Flight Software Engineer HermeusSenior Flight Software EngineerLos Angeles, CA$159,750–$195,250 / yearAs a Senior Flight Software Engineer, you will work closely with our hardware and systems engineers to design, develop, and implement software for our cutting-edge aircraft systems. About The Role: We are seeking a highly motivated and experienced Senior Flight Software Engineer to join Hermeus, a hypersonic aircraft startup company.
Senior Network Engineer Pharmavite LLCSenior Network EngineerWest Hills, CA$117,000–$195,000 / yearKnowledge of cloud networking technologies, including Azure Virtual Networks (VNETs), Oracle Cloud Infrastructure Virtual Cloud Networks (VCNs), cloud routing, network segmentation, VPN connectivity, ExpressRoute, FastConnect, load balancing, and hybrid cloud architectures. The role will support the design, delivery, and operations of Wide Area Networks, Local Area Networks, Wireless Networks, and the administration of firewalls and network management systems.
Network Engineer A-StaffingNetwork EngineerTorrance, CaliforniaThe salary will be determined based on the candidate's experience level, with the provided range typically reflecting 0-2 years of prior experience. Troubleshooting in Windows Server 2016/2019/2022 and Windows 10/11, and experience setting up various environments.
Avionics Test Systems Engineer, Ground Systems Relativity SpaceAvionics Test Systems Engineer, Ground SystemsLong Beach, CA$106,000–$160,000 / 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. About You: Undergraduate or graduate degree (BS/MS/PhD) in Electrical Engineering, Computer Engineering, Mechanical Engineering, Aerospace Engineering, or a related field.
Lead Power Electronics Engineer – High-Power Inverter Systems Sapphire TechnologiesLead Power Electronics Engineer – High-Power Inverter SystemsCypress, CaliforniaThe system integrates high-power electronics, high-speed electric machines, active magnetic bearings, liquid cooling, controls, and precision electromechanical hardware and is expected to undergo a significant production scale-up. Work at the intersection of high-power inverter design, high-speed motor drives, wide-bandgap semiconductors, filtering, liquid cooling, EMC, certification, and high-volume manufacturing.
Sr. Heat Exchanger Engineer Arbor EnergySr. Heat Exchanger EngineerEl Segundo, California$165,000–$180,000 / yearLead in-house design and development of advanced compact heat exchangers, including printed circuit heat exchangers (PCHEs) and components produced by additive manufacturing (AM) in materials such as 316SS, Inconel 625, and Haynes 282; apply design for additive manufacturing (DfAM) principles to translate geometric freedom into manufacturable, high-performing hardware. Own the thermal-hydraulic design of all heat exchangers in the Arbor power system—recuperators, precoolers, primary heat exchangers, and water and air coolers—from conceptual sizing through detailed design, balancing performance, pressure drop, and cost.
Senior Network Engineer Full Time - Information Technology Pipeline HealthSenior Network Engineer Full Time - Information TechnologyGardena, CaliforniaQualifications/Experience: Minimum of seven (7) years of IT system experience required including but not limited to designing, implementing and supporting enterprise routing, switching, and firewall infrastructure in an enterprise environment. Essential Functions: Design, implement, and manage secure network infrastructure that directly supports healthcare business software in complex, multi-site medical environments.