• Propulsion Build & Manufacturing Engineer

    Stratolaunch, LLC (Mojave, CA)
    …is seeking a level II, Sr-, or Staff-level Propulsion or Mechanical Engineer to support design, integration, testing , and maintenance of Talon-A hypersonic ... component or assembly level mechanical or fluid testing , rocket testing , cryogenic fluid systems , electrical and/or instrumentation experience… more
    Stratolaunch, LLC (11/05/25)
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  • Hardware Test Engineer

    Actalent (Mountain View, CA)
    Job Title: Hardware Test Engineer Job Description We are seeking a highly skilled Hardware Test Engineer to join our dynamic team. The ideal candidate will be ... with specified requirements. This role requires experience in hardware testing , data analysis, and cross-functional communication to drive continuous improvement… more
    Actalent (01/13/26)
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  • Test Engineer

    Actalent (Valencia, CA)
    …at all times. Essential Skills + Proficiency in test development, test planning, mechanical testing , and troubleshooting. + Experience with mechanical test ... You will be responsible for designing and building new electro- mechanical test equipment for new products, as well as...+ At least 3 years of experience in aerospace testing and development. Work Environment The Test Engineer… more
    Actalent (01/13/26)
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  • Space Lasers Engineer (Starshield)

    SpaceX (Hawthorne, CA)
    … testing , and fault injection testing + Define and lead field testing of optical experiments and laser communication systems + Review test data and ... laboratory or work experience in optics, photonics, laser technology, or precision mechanical design or testing (university lab, student project, or internship… more
    SpaceX (12/16/25)
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  • Robotics Test Engineer

    OffWorld (Pasadena, CA)
    …Engineer to join a fast-moving team working to create advanced robotic and space systems . As a Robotics Test & Integration Engineer , you will be responsible ... www.offworld.ai Robotics Test & Integration Engineer Based in Pasadena, CA OffWorld is a...across components for fast deployment and optimization. Our robotic systems combine sensor information, cutting edge classical/machine learning (ML)… more
    OffWorld (01/16/26)
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  • NASI - Lead Research & Development Engineer…

    Subaru of America (Cypress, CA)
    …2 years with a relevant Ph.D. Technical Expertise + Proven experience in development, testing , and evaluation of charging systems . + Strong knowledge of charging ... Summary The Lead Research & Development (R&D) Engineer is responsible for overseeing various vehicle-related research and development projects. This role also… more
    Subaru of America (12/04/25)
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  • Senior Consumables Engineer

    J&J Family of Companies (Irvine, CA)
    …**Job Function:** R&D Product Development **Job Sub** **Function:** R&D Mechanical Engineering **Job Category:** Scientific/Technology **All Job Posting Locations:** ... searching for the best talent for a** Senior Consumables Engineer in the R&D Consumables group based in Irvine,...unmet patient needs. Works with minimal supervision to provide mechanical engineering and design services in the R&D engineering… more
    J&J Family of Companies (01/07/26)
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  • Senior Reliability Engineer

    Medtronic (Northridge, CA)
    …to learn more about products. In this exciting role as a Senior Reliability Engineer in the in the product design verification & reliability engineering group of the ... Mechanical Engineering department, you will be responsible for product...verification and reliability test planning/ designing, developing, and implementing testing methods and equipment for new product development and… more
    Medtronic (01/10/26)
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  • Stationary Engineer II

    The County of Los Angeles (Los Angeles, CA)
    STATIONARY ENGINEER II Print (https://www.governmentjobs.com/careers/lacounty/jobs/newprint/2965664) Apply  STATIONARY ENGINEER II Salary $105,975.84 Annually ... of steam reducing stations, ventilation and refrigeration equipment, and various mechanical and electrical equipment and controls. Essential Job Functions Operates,… more
    The County of Los Angeles (12/27/25)
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  • Build Reliability Engineer…

    SpaceX (Hawthorne, CA)
    …designs and processes + Design and implement tooling for work access, mechanical /avionics/propulsion testing , build fixturing, lifting & rigging, and fluids. + ... Build Reliability Engineer (Valves/Starship) Hawthorne, CA Apply SpaceX was founded...for flight hardware, including identification of key characteristics, prototype testing for functionality and manufacturability, first article and detailed… more
    SpaceX (12/28/25)
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