NewSenior Mechanical Engineer LeidosSenior Mechanical EngineerEl Segundo, CaliforniaExperience with ductless split systems, heat recovery systems, residential type split systems, furnace, direct expansion cooling coils, unitary roof top package units, variable air volume systems, air handling units, chillers, boilers, vehicle exhaust systems and other heating, cooling, ventilation, air distribution, pumping, hydronic piping, and indoor air quality systems. The Mechanical Engineer will provide engineering support to the FAA Los Angeles Enroute Engineering Center which includes project management and project planning for various Air Route Traffic Control Center construction and upgrade modernization projects.
Motor Engineer Sr - Lunar Blue Origin Enterprises LPMotor Engineer Sr - LunarLos Angeles, CA$145,188–$203,263.20 / yearand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing (CDL drivers only), vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs.
Lead, Launch Mechanical Engineering Relativity SpaceLead, Launch Mechanical EngineeringLong Beach, CA$128,000–$192,000 / 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. You will have the opportunity to be part of a small team of engineers who are responsible for the full engineering cycle on projects that involve static structures, dynamic mechanisms, and control systems using fluid, electrical, and combustion powered sources.
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.
Senior Mechanical Engineer I - Secret Clearance Rocket Lab CorporationSenior Mechanical Engineer I - Secret ClearanceLong 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. 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.
Operations Engineer EsselOperations EngineerSimi Valley, CAThis role collaborates with district management and engineering teams to oversee system modifications, water loss control, and energy efficiency initiatives. As an Operations Engineer, you will be responsible for ensuring the smooth operation of our projects and identifying opportunities for process improvement.
Mechanical Engineer, Space Based Interceptors (Senior - Staff) True AnomalyMechanical Engineer, Space Based Interceptors (Senior - Staff)Long Beach, CA$125,000–$255,000 / yearLeverage spacecraft and space environment design expertise - including precision mechanisms, electronics packaging, and launch load structural design - to inform cross-domain solutions and bring asymmetric technical advantage to Space Based Interceptors and hypersonic programs. Lead mechanical integration of propulsion subsystems, including solid rocket motor structural interfaces, divert and attitude control system (DACS) packaging, nozzle and TVC structural design, and cross-discipline coordination with propulsion engineers to ensure system-level compliance.
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.
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.
Testbed Engineer Matter IntelligenceTestbed EngineerEl Segundo, CaliforniaYou will work closely with optical engineers, electrical engineers, mechanical engineers, flight software developers, systems engineers, scientists, and operations leads to ensure Matter’s hardware and software systems are ready for lab campaigns, field deployments, airborne testing, and spaceflight or flight-like missions. The ideal candidate brings a aerospace-style engineering mindset: disciplined test planning, clean documentation, careful hardware handling, rigorous anomaly tracking, and strong ownership from setup through execution, reporting, and closeout.
Manager, Mechanical Engineering Rocket Lab CorporationManager, Mechanical EngineeringPasadena, CA$142,000–$212,000 / 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. The ideal candidate has strong technical depth in mechanical design, precision mechanisms, robotics, spaceflight hardware, CAD, GD&T, analysis, manufacturing, assembly, integration, and environmental test, along with the leadership skills required to build a strong engineering culture and develop a high-performing team.
Sr. Staff Power Electronics Mechanical Engineer RivianSr. Staff Power Electronics Mechanical EngineerCarson, California$176,200–$220,300 / 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 Spacecraft Mechanical Engineer II Rocket Lab CorporationSenior Spacecraft Mechanical Engineer IILong 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.
Lead Antenna Engineer Impulse Space Propulsion Inc.Lead Antenna EngineerRedondo Beach, CA$150,000–$200,000 / yearThis position requires applicants to be either U.S. Persons (i.e., U.S. citizen, U.S. national, lawful permanent U.S. resident (green card holder), an individual granted asylum in the U.S., or an individual admitted in U.S. refugee status) or persons eligible to obtain an export license from the U.S. Departments of State, Commerce, or other applicable U.S. government agencies. Analyze real-world performance of antennas, debug antenna issues on completed vehicles, and investigate methods to improve vehicle radiated performance.
NewENGINEER (CIVIL/ROADWAY) Los Angeles County Metropolitan Transportation AuthorityENGINEER (CIVIL/ROADWAY)Los Angeles, CA$91,353.60–$137,030.40 / yearThis classification is at-will and the incumbent serves at the pleasure of the hiring authority when classified as an Intermittent, Emergency, Annuitant, or Temporary employee, is assigned to the Office of Inspector General (OIG) or Board Clerks Office, and/or reporting directly to the LACMTA Board of Directors. Applicants who best meet job-related qualifications will be invited to participate in the examination process that may consist of any combination of written, performance, or oral appraisal to further evaluate job-related experience, knowledge, skills and abilities.
Engineering Technician - Field Quality Tesla IncEngineering Technician - Field QualityValencia, CAYour field-based investigations, tests and audits gather data to drive continuous improvement of vehicle performance and component reliability in the factory and together with the Field Quality Engineer you create a fast, detailed and superior feedback loop for Quality Issues. The expertise in vehicle systems, software and hardware engineering tools help identify trends, root causes of failure, and other areas of improvement, directly influencing product quality and customer satisfaction.
2026 Fall Internship - Supplier Quality Engineering Intern Vast2026 Fall Internship - Supplier Quality Engineering InternLong Beach, California$35–$40 / hourVast is developing next-generation space stations to ensure a continuous human presence in space for America and its allies, enabling advanced microgravity research and manufacturing, and unlocking a new space economy for government, corporate, and private customers. We also take pride in offering exceptional food perks, with snacks, drip coffee & onsite barista, cold drinks, and dinner meals remaining free of charge, and lunch subsidized as part of Vast’s ongoing commitment to providing high-quality meals for employees.
Hardware Engineering Manager (Compute Test Division; Agoura Hills, CA) Teradyne, Inc.Hardware Engineering Manager (Compute Test Division; Agoura Hills, CA)Agoura Hills, CA$147,900–$236,600 / yearStrong communication and interpersonal skills, with the ability to manage teams, collaborate cross-functionally, and communicate complex technical concepts to non-technical stakeholders. This isn't just a management role; it's a chance to be a player-coach, balancing leadership skills with technical expertise in digital circuit design.
Manager, Engineering VastManager, EngineeringLong Beach, California$150,000–$215,000 / yearVast is developing next-generation space stations to ensure a continuous human presence in space for America and its allies, enabling advanced microgravity research and manufacturing, and unlocking a new space economy for government, corporate, and private customers. We also take pride in offering exceptional food perks, with snacks, drip coffee & onsite barista, cold drinks, and dinner meals remaining free of charge, and lunch subsidized as part of Vast’s ongoing commitment to providing high-quality meals for employees.
Manufacturing Engineering 838942 HelpmatesManufacturing Engineering 838942Santa e Springs, CAYou'll work closely with the manufacturing team to identify improvement opportunities, support product development, and lead projects that drive cost savings and process enhancements. As a Manufacturing Engineer, you will be responsible for: Providing engineering and technical support for daily manufacturing operations and production processes.