Staff Mechanical Engineer, Tooling Relativity SpaceStaff Mechanical Engineer, ToolingLong Beach, CA$143,000–$215,000 / yearClose collaboration with component designers, manufacturing engineers, and integration engineering to achieve the best possible cradle to grave metrics (safety, cost, quality, cycle time, delivery, reliability, life, and maintenance/refurbishment). As a design group embedded within the manufacturing organization, we dig deep into the needs of our internal partners to understand root problems, propose solutions, and deliver hardware to help build faster, scale smarter, and work better.
Principal Mechanical Engineer, Additive Manufacturing ElastiumPrincipal Mechanical Engineer, Additive ManufacturingLos Angeles, CAAt Elastium, you won’t be another engineer optimizing inside an existing box—you’ll build in the wild, architecting a new industrial era where factories run like software, starting with footwear. We're building the most frictionless way of turning bits into useful atoms, sending ripples of singularity across the industry, and bringing tens of billions of GDP back to America.
Senior Spacecraft Mechanical Engineer II - Mission Formulation Rocket Lab CorporationSenior Spacecraft Mechanical Engineer II - Mission FormulationLong Beach, CA$132,000–$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. Based out of Rocket Lab's global headquarters in Long Beach, CA, the Senior Spacecraft Mechanical Engineer – Mission Formulation is responsible for leading the mechanical formulation of all new satellite systems, including structures, mechanisms, and satellite bus configurations to support the capture of new civil, national security, and commercial business.
Staff Avionics Mechanical Engineer Relativity SpaceStaff Avionics Mechanical EngineerLong Beach, CA$150,000–$226,000 / 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. By creating a sustainable model for interplanetary exploration, we are transforming space science from an occasional event into a continuous process of discovery that accelerates knowledge, broadens participation, and inspires the next generation of explorers.
Senior Spacecraft Mechanical Engineer I - Mission Formulation Rocket Lab CorporationSenior Spacecraft Mechanical Engineer I - Mission FormulationLong Beach, CA$115,000–$158,000 / 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. Based out of Rocket Lab's global headquarters in Long Beach, CA, the Senior Spacecraft Mechanical Engineer – Mission Formulation is responsible for leading the mechanical formulation of all new satellite systems, including structures, mechanisms, and satellite bus configurations to support the capture of new civil, national security, and commercial business.
Mechanical Assembler - SIGN ON BONUS Curtiss-WrightMechanical Assembler - SIGN ON BONUSBrea, CaliforniaEnertech, a business unit of Curtiss-Wright, is a global leader in providing valves, actuators, snubbers, pipe restraints, instrumentation, diagnostics and test equipment to the Nuclear Power Industry. Our employees are highly motivated, self-starters and able to work in a fast-paced team environment where critical and tight deadlines are common, and Customer Satisfaction is our foremost mission.
Senior Mechanical Engineer Rethink recruitSenior Mechanical EngineerLos Angeles, CaliforniaBattery and Energy Storage — battery pack mechanical architecture, cell and module packaging, thermal management, pressure tolerance and sealing, structural integration, and coordination with power electronics and BMS engineers. Structures and Integration — load-bearing and integration structures, nose cone and payload bay, internal component packaging, sensor and payload mounting, and interface management across subsystems.
Sr. Chassis Steering - Mechanical Engineer RivianSr. Chassis Steering - Mechanical EngineerIrvine, California$107,800–$134,800 / 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.
Mechanical Engineer, Electrical Systems Radiant NuclearMechanical Engineer, Electrical 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.
Engineering Manager, Hardware Test True AnomalyEngineering Manager, Hardware TestLong Beach, CA$150,000–$220,000 / yearYou will partner closely with engineering design teams, production teams, and other stakeholders to design the test infrastructure, planning, and processes needed to conduct testing on structural, electrical, and fluids systems under simulated space operational environments. As Manager, Hardware Test Engineering, you will lead the Long Beach-based team of hardware test engineers to deliver fully tested and qualified components, developmental units, and spacecraft on aggressive timelines.
Senior Avionics Mechanical Engineer Relativity SpaceSenior Avionics Mechanical EngineerLong Beach, CA$129,000–$193,000 / 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. By creating a sustainable model for interplanetary exploration, we are transforming space science from an occasional event into a continuous process of discovery that accelerates knowledge, broadens participation, and inspires the next generation of explorers.
Sr. Exterior Trim Mechanical Design & Release Engineer RivianSr. Exterior Trim Mechanical Design & Release EngineerIrvine, California$107,800–$134,800 / 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.
Lead Mechanical Engineer Mesh Optical TechnologiesLead Mechanical EngineerGardena, CaliforniaArchitect electro-mechanical assemblies for highly automated, scalable manufacturing—ensuring designs enable autonomous assembly, precision placement, micron-scale metallurgical processes, and robust DFM execution. You will architect mechanical systems that integrate high-precision optics, photonics, and advanced packaging into products explicitly designed for scalable, autonomous manufacturing with minimal manual intervention.
Mechanical CAD Drafter True AnomalyMechanical CAD DrafterLong Beach, CA$24–$62.50 / hourTo 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. Translate verbal direction, sketches, and engineering inputs into detailed technical drawings using NX (Siemens), editing CAD models as needed to support drawing accuracy and completeness.
Mechanical Engineer, Spacecraft (Ii-Iii) True AnomalyMechanical Engineer, Spacecraft (Ii-Iii)Long Beach, CA$90,000–$165,000 / yearSupport the design, analysis, and optimization of mechanical structures, mechanisms, and assemblies for LEO/GEO satellites, small sat platforms, and on-orbit servicing vehicles, ensuring designs meet performance, mass, and reliability requirements. 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.
Mechanical Engineer II, Neutron Avionics Rocket Lab CorporationMechanical Engineer II, Neutron AvionicsLong Beach, CA$100,000–$125,000 / 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. From designing and testing Neutron's structures and components, to firing up its new Archimedes engines, to setting up Neutron's launch pads and test sites across the United States, joining the Neutron team is your opportunity to help launch a new large rocket for the very first time.
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 Engineer Thunderhawk Technology Partners LLCMechanical EngineerIrvine, CASeeking a Mechanical Engineer with 2–5 years of experience in turbo machinery (compressors, turbines, ECS subsystems). • Work with cross-functional teams on product development.
Senior Mechanical Engineer - Electric Vehicle Systems Motive Workforce SolutionsSenior Mechanical Engineer - Electric Vehicle SystemsCosta Mesa, CAWe are supporting an emerging electric vehicle company developing next-generation EV platforms and prototype vehicles focused on performance, lightweight architecture, and modern electric mobility systems. The team is seeking a Senior Mechanical Engineer with hands-on experience in EV development, mechanical integration, and prototype vehicle programs.
Mechanical Engineer (Structures) - Space Solar Starpath RoboticsMechanical Engineer (Structures) - Space SolarHawthorne, 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. As a Mechanical Engineer on the Structures team, you will own load-bearing hardware from concept through flight — designing, analyzing, testing, and qualifying the structures that hold Starpath's systems together.