Senior Mechanical Engineer II - Secret Clearance Rocket Lab CorporationSenior Mechanical Engineer II - Secret ClearanceLong 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. 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 Mechanical Engineer Mesh Optical TechnologiesSenior Mechanical EngineerGardena, California$140,000–$180,000 / yearContribute meaningfully to system-level architecture discussions, influencing packaging strategy, interface definitions, and cross-domain trade-offs with optical, electrical, and thermal stakeholders. Drive design-for-manufacturability and design-for-automation decisions with minimal oversight, ensuring mechanical designs support automated assembly, precision placement, and high-yield production.
Senior Opto-Mechanical Engineer Relativity SpaceSenior Opto-Mechanical EngineerLong Beach, CA$142,000–$214,000 / 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.
Staff Engineer - Mechanical Thales SAStaff Engineer - MechanicalIrvine, CAThales provides an extensive benefits program for all full-time employees working 30 or more hours per week and their eligible dependents, including the following: Elective Health, Dental, Vision, FSA/HSA, Voluntary Life and AD&D, Whole Group Life w/LTC, Critical Illness, Hospital Indemnity, Accident Insurance, Legal Plan, Identity Theft, and Pet Insurance. In this position, you will provide technical leadership across cross-functional engineering teams, influence mechanical architecture and design strategy, evaluate emerging technologies, resolve complex engineering challenges, and support products throughout their entire lifecycle.
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.
Mechanical Engineer II, Special Projects RivianMechanical Engineer II, Special ProjectsIrvine, 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. 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, 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, Space Based Interceptorstooling & Mgse Design (Senior - Staff) True AnomalyMechanical Engineer, Space Based Interceptorstooling & Mgse Design (Senior - Staff)Long Beach, CA$125,000–$255,000 / yearDemonstrated expertise designing large structural weldments for aerospace GSE and tooling - welded steel frames, launcher support structures, integration stands, and handling bases - with proficiency in weld joint design, weld symbol specification per AWS A2.4, pre- and post-weld distortion control, material selection for weldability, and vendor qualification of WPS and welder certifications. We are seeking a Senior or Staff Mechanical Engineer, Space Based Interceptors Tooling & MGSE Design to serve as technical authority and team leader for tooling and ground support equipment across our Space Based Interceptors programs.
Mechanical Engineer, Sr. Lead- Valve Design Curtiss-WrightMechanical Engineer, Sr. Lead- Valve DesignBrea, CaliforniaThis position requires deep understanding of industrial valve design, with particular emphasis on control valves and flow control equipment used in high-pressure, high-temperature steam and water applications typical of nuclear power generation. In this position, you will play a key technical role within the Engineering Group, supporting advanced power plant programs including Generation IV reactors, Small Modular Reactors (SMRs), and the existing nuclear fleet in both domestic and international markets.
Senior Mechanical Design Engineer BrelleSenior Mechanical Design EngineerLos Alamitos, CaliforniaProven track record releasing components to production: you've worked in a high-pace environment, participated in design reviews, and understand how designs move from concept to production level parts. Collaborate cross-functionally with Brelle’s electrical, thermal, simulation, and software teams to optimize the complete battery pack package.
Brazing/Mechanical Engineer - 1st Shift Bodycote plcBrazing/Mechanical Engineer - 1st ShiftCA$105,000–$115,000 / yearEnsures customers' needs are appropriately met by shipping to schedule with minimum turnaround time and a high degree of quality, working closely with the Quality Manager. Knowledge of heat treating, operations management, metallurgy, inspection and customer needs through technical and advanced training, seminars, college, B.S.M.E.
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.
Mechanical Engineer III - Advanced Manufacturing Quantum SpaceMechanical Engineer III - Advanced ManufacturingHawthorne, CaliforniaYou will operate at the intersection of mechanical design, thermal management, and high-performance hardware development, working closely with propulsion, systems, and test teams. To 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.
Mechanical Engineer III Quantum SpaceMechanical Engineer IIIHawthorne, CA$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.
Senior Mechanical Engineer - Turbomachinery Rotordynamics Radiant NuclearSenior Mechanical Engineer - Turbomachinery RotordynamicsEl Segundo, CARadiant 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.
Senior Mechanical Engineer, Fluid Systems Radiant NuclearSenior Mechanical 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.
Spacecraft Mechanical Production Engineer (Ii-Iii) True AnomalySpacecraft Mechanical Production Engineer (Ii-Iii)Long Beach, CA$100,000–$120,000 / yearTo 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. As a Spacecraft Mechanical Production Engineer you will have the opportunity to develop, implement, and optimize the production processes for mechanical structures and mechanism systems for multiple vehicles types at True Anomaly.
Mechanical Integration & Test Engineer Mesh Optical TechnologiesMechanical Integration & Test EngineerGardena, California$110,000–$135,000 / yearWe are seeking a Mechanical Integration & Test Engineer to own the mechanical integration of machines, tooling, fixtures, and workstations across our production lines and development labs. A successful engineer on this team demonstrates strong engineering intuition, critical thinking, and comfort working under ambiguous requirements with minimal oversight.
Project Manager - Hvac / Mechanical Murray Company Mechanical ContractorsProject Manager - Hvac / MechanicalCypress, CA$125,000–$150,000 / yearResumes submitted to any employee of Murray Company without a signed agreement by an officer of the company (or his or her delegate) AND without the express written agreement by the Talent Acquisition or Human Resources function to engage in a search on behalf of the company will become property of Murray Company. Bachelor’s Degree in Construction Management, Mechanical Engineering or another relevant focus is desired or at a minimum strong experience and understanding of commercial construction/engineering design concepts.
Project Manager - HVAC / Mechanical Murray Company Mechanical ContractorsProject Manager - HVAC / MechanicalCypress, CA$125,000–$150,000Resumes submitted to any employee of Murray Company without a signed agreement by an officer of the company (or his or her delegate) AND without the express written agreement by the Talent Acquisition or Human Resources function to engage in a search on behalf of the company will become property of Murray Company. Bachelor’s Degree in Construction Management, Mechanical Engineering or another relevant focus is desired or at a minimum strong experience and understanding of commercial construction/engineering design concepts.