Senior Design Engineer (Advanced Energy Hardware) FreeformSenior Design Engineer (Advanced Energy Hardware)Los Angeles, CA$150,000–$200,000 / yearYou will own complex design challenges end-to-end, working hands-on with some of the most complex hardware in the industry, and serve as a technical authority on where Freeform's platform unlocks performance regimes, architectures, and geometries that were previously impractical or impossible. Serve as a senior technical resource, independently resolving advanced questions related to design tradeoffs, process capabilities, qualification pathways, and production scalability, and helping guide less experienced engineers.
Senior/Principal Mechanical Engineer Starpath RoboticsSenior/Principal Mechanical EngineerHawthorne, CaliforniaDepending on your prior work experience, you may work on a variety of systems, such as: (1) low-cost, high-reliability electromechanical actuators, (2) various structures and passive mechanisms, or (3) thermal control systems and autonomy hardware integration. EAR REQUIREMENTS: 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.
Mechanical Design Engineer [Propulsion] Odys AviationMechanical Design Engineer [Propulsion]Long Beach, CaliforniaOur flagship aircraft Alta enables travelers to skip the big-airport hassle by using city helipads and local airports to connect cities less than 1,000 miles apart (approx 40% of flights). In this role, you will design, analyze, and integrate mechanical and thermal systems that support high-power hybrid-electric propulsion, including motors, generators, inverters, turbines and their supporting structures and cooling systems.
Senior Manufacturing Engineer Rethink recruitSenior Manufacturing EngineerTorrance, CaliforniaYou will work closely with engineering teams to execute complex builds, mature assembly and integration processes, and own the manufacturing infrastructure that turns advanced defense technology into deliverable hardware. The primary focus of the role is helping establish a production-ready separation assembly line by early 2027, scaling from development builds to production rates of thousands of units per year.
Senior Mechanical Engineer Salas O'BrienSenior Mechanical EngineerTustin, CaliforniaOur specialized experience includes design for data centers, healthcare, science and technology, high-rise buildings, clean energy, education, and other building types as well as structural and building sciences, infrastructure asset management, advanced robotics, and more. Our technical expertise is paired with an exceptional team of business development, human resources, finance and accounting, information technology, and marketing professionals, all of whom play a key role in bringing our commitments to life every day.
Senior Turbomachinery Test Responsible Engineer Relativity SpaceSenior Turbomachinery Test Responsible EngineerLong Beach, CA$132,000–$198,000 / 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. Our team partners heavily with manufacturing, test, launch, and integration teams, striving to develop our engines in record time and to support Terran R's first launch in 2026.
Propulsion Engineer (II - Iii) True AnomalyPropulsion Engineer (II - Iii)Long Beach, CA$95,000–$165,000 / yearAs a Propulsion Engineer at True Anomaly, you will be responsible for design, build, and test of multiple propulsion systems including flight systems and ground test campaigns in the development of our Jackal and Space Based Interceptors. 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.
Manufacturing Engineer II, Subassemblies Relativity SpaceManufacturing Engineer II, SubassembliesLong Beach, CA$104,000–$156,000 / 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. Proficient in GD&T, CAD, and basic design or test analysis, with experience in at least two of the following: LOX cleanliness, leak checking, sensor checkouts, tube bending, tool design, crane operations, or subassembly builds.
Mechanical Engineer, Tooling And Mgse (Ii-Iii) True AnomalyMechanical Engineer, Tooling And Mgse (Ii-Iii)Long Beach, CA$80,000–$165,000 / yearExperience designing large structural weldments for tooling or GSE applications - welded steel frames, integration stands, support structures, or handling fixture bases - including joint selection, weld symbol callouts per AWS A2.4, and distortion mitigation strategies. You will independently execute tooling and MGSE designs ranging from assembly fixtures and handling systems to STE and precision integration equipment, while beginning to take on mentoring and technical leadership responsibilities.
Manufacturing Engineer II, Subassemblies, Second Shift Relativity SpaceManufacturing Engineer II, Subassemblies, Second ShiftLong Beach, CA$104,000–$156,000 / 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. Proficient in GD&T, CAD, and basic design or test analysis, with experience in at least two of the following: LOX cleanliness, leak checking, sensor checkouts, tube bending, tool design, crane operations, or subassembly builds.
Mechanical Engineer III - Spacecraft Programs Quantum SpaceMechanical Engineer III - Spacecraft ProgramsHawthorne, California$125,000–$155,000 / yearTo 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. You will operate at the intersection of mechanical design, thermal management, and high-performance hardware development, working closely with propulsion, systems, and test teams.
Principal Turbomachinery Test Responsible Engineer Relativity SpacePrincipal Turbomachinery Test Responsible EngineerLong Beach, CA$185,000–$277,000 / 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. Our team partners heavily with manufacturing, test, launch, and integration teams, striving to develop our engines in record time and to support Terran R's first launch in 2026.
Senior Software Engineer, Spacecraft Simulation True AnomalySenior Software Engineer, Spacecraft SimulationLong Beach, CA$140,000–$215,000 / yearDesign and implement multi-physics simulation software across spacecraft subsystems: 6DOF rigid body dynamics (gravity gradient, solar radiation pressure, atmospheric drag, magnetic torques, third-body effects), thermal modeling, attitude dynamics and control, propulsion (chemical/electric), power generation and storage, and high-fidelity sensor/actuator models (reaction wheels, CMGs, star trackers, gyros, magnetometers). Working in a fast-paced, interdisciplinary team, you will develop algorithms for modeling coupled physics including 6-degree-of-freedom (6DOF) rigid body dynamics, thermal systems, attitude dynamics and control, power systems, propulsion, and their interactions.
Staff Quality Engineer, Pre-Production RivianStaff Quality Engineer, Pre-ProductionTorrance, California$137,800–$172,200 / yearFull timeRivian may use your Candidate Personal Data for the purposes of (i) tracking interactions with our recruiting system; (ii) carrying out, analyzing and improving our application and recruitment process, including assessing you and your application and conducting employment, background and reference checks; (iii) establishing an employment relationship or entering into an employment contract with you; (iv) complying with our legal, regulatory and corporate governance obligations; (v) recordkeeping; (vi) ensuring network and information security and preventing fraud; and (vii) as otherwise required or permitted by applicable law. Rivian may share your Candidate Personal Data with (i) internal personnel who have a need to know such information in order to perform their duties, including individuals on our People Team, Finance, Legal, and the team(s) with the position(s) for which you are applying; (ii) Rivian affiliates; and (iii) Rivian’s service providers, including providers of background checks, staffing services, and cloud services.
Senior Materials Engineer - Metals RivianSenior Materials Engineer - MetalsTustin, California$98,500–$123,100 / yearFull timeRivian may use your Candidate Personal Data for the purposes of (i) tracking interactions with our recruiting system; (ii) carrying out, analyzing and improving our application and recruitment process, including assessing you and your application and conducting employment, background and reference checks; (iii) establishing an employment relationship or entering into an employment contract with you; (iv) complying with our legal, regulatory and corporate governance obligations; (v) recordkeeping; (vi) ensuring network and information security and preventing fraud; and (vii) as otherwise required or permitted by applicable law. Rivian may share your Candidate Personal Data with (i) internal personnel who have a need to know such information in order to perform their duties, including individuals on our People Team, Finance, Legal, and the team(s) with the position(s) for which you are applying; (ii) Rivian affiliates; and (iii) Rivian’s service providers, including providers of background checks, staffing services, and cloud services.
Product Design Engineer - Charging Products RivianProduct Design Engineer - Charging ProductsTorrance, California$85,600–$107,000 / yearFull timeRivian may use your Candidate Personal Data for the purposes of (i) tracking interactions with our recruiting system; (ii) carrying out, analyzing and improving our application and recruitment process, including assessing you and your application and conducting employment, background and reference checks; (iii) establishing an employment relationship or entering into an employment contract with you; (iv) complying with our legal, regulatory and corporate governance obligations; (v) recordkeeping; (vi) ensuring network and information security and preventing fraud; and (vii) as otherwise required or permitted by applicable law. In this role, you'll take on meaningful ownership of design deliverables across active charging hardware programs — working closely with senior engineers to execute complex mechanical designs, support certification and validation efforts, and drive supplier deliverables to completion.
Validation Engineer - Vehicle Hardware RivianValidation Engineer - Vehicle HardwareIrvine, California$85,400–$94,900 / yearFull timeRivian may use your Candidate Personal Data for the purposes of (i) tracking interactions with our recruiting system; (ii) carrying out, analyzing and improving our application and recruitment process, including assessing you and your application and conducting employment, background and reference checks; (iii) establishing an employment relationship or entering into an employment contract with you; (iv) complying with our legal, regulatory and corporate governance obligations; (v) recordkeeping; (vi) ensuring network and information security and preventing fraud; and (vii) as otherwise required or permitted by applicable law. Rivian may share your Candidate Personal Data with (i) internal personnel who have a need to know such information in order to perform their duties, including individuals on our People Team, Finance, Legal, and the team(s) with the position(s) for which you are applying; (ii) Rivian affiliates; and (iii) Rivian’s service providers, including providers of background checks, staffing services, and cloud services.
Staff Propulsion Engineer, Engine Assembly Design Relativity SpaceStaff Propulsion Engineer, Engine Assembly DesignLong Beach, CA$164,000–$246,000 / yearAbout the Role: As an Engine Assembly Responsible Engineer on the Propulsion Integrated Design team, you will: Own the overall layout and packaging of Aeon-R engines, in all of their different configurations (development, qualification, acceptance, first stage versus upper stage, etc.). Any 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.
Cycle Performance Engineer - Turbomachinery Valar AtomicsCycle Performance Engineer - TurbomachineryTorrance, California$140,000–$215,000 / yearAs part of the Engineering organization, PowerConversion develops the technologies that efficiently transform reactor-generated heat into usable electrical power. We are a team of builders, engineers, and operators who believe nuclear energy should be fast to deploy, factory-made, and built for the real world.
Operations Engineer (Raptor) SpaceXOperations Engineer (Raptor)Hawthorne, CA$100,000–$130,000 / yearTo 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. The Raptor Operations Engineering team builds the machine that makes the machine, in this case the factory that builds the world’s most advanced rocket engine.