• Avionics Mechanical Design Engineer

    Stratolaunch, LLC (Mojave, CA)
    …achieve these efforts, Stratolaunch is seeking a level II, Sr-, or Staff-level Mechanical Engineer to support the development and improvement of air-launched, ... (in order of priority): electronics packaging, mechanical design, mechanical manufacturing, avionics manufacturing, and/or aircraft systems + Significant… more
    Stratolaunch, LLC (01/06/26)
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  • Mechanical Design Engineer II

    RTX Corporation (Goleta, CA)
    …meaningful problems that create a safer, more secure world. Raytheon is seeking a Mechanical Engineer II to perform conceptual and detailed mechanical ... by the department. These activities include the design of structures, mechanisms, thermal systems and electronic enclosures of RF systems for challenging thermal… more
    RTX Corporation (01/13/26)
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  • Mechanical Engineer

    Vector Atomic (Pleasanton, CA)
    …capabilities of quantum systems , engineered for real-world integration. As a Mechanical Engineer at Vector Atomic, you will be instrumental in advancing ... the next generation of quantum technologies. This hands-on role involves designing opto- mechanical and vacuum systems that are crucial for quantum sensors, with… more
    Vector Atomic (11/21/25)
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  • Mechanical Engineer

    Amentum (China Lake, CA)
    Amentum is seeking an experienced Mechanical Engineer with the technical expertise to implement solutions, evaluate products, and build upon an infrastructure ... changing needs of our customers. In this role, the Mechanical Engineer will be responsible for preparing...of integration. Experience with variable frequency drive motors, pneumatic systems , and/or hydraulic systems preferred. Work with… more
    Amentum (10/23/25)
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  • Mechanical Engineer - Dynamics…

    Lockheed Martin (Sunnyvale, CA)
    …missile defense and flight systems \. Lockheed Martin Space is seeking a Mechanical Engineer to join the Flight Sciences Group supporting the FBM D5LE2 ... deterrence\. Be a part of state\-of\-the\-art analysis for & missile systems at Lockheed Martin\. Work on significant analyses involving structures, materials… more
    Lockheed Martin (12/11/25)
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  • Mechanical Engineer - Thermal…

    Lockheed Martin (Sunnyvale, CA)
    …team for missiles and spacecraft systems \! Lockheed Martin Space is seeking a Mechanical Engineer to join our Missile Flight Sciences team in Sunnyvale, CA\! ... and our allies secure\. We are a community of engineers looking for an enthusiastic Mechanical Engineer to join the tight\-knit group\. The FBM Trident II D5… more
    Lockheed Martin (01/11/26)
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  • Mechanical Engineer

    ManTech (Port Hueneme, CA)
    **ManTech** seeks a highly motivated and skilled ** Mechanical Engineer ** to support the Naval Surface Warfare Center (NSWC) Underway Replenishment (UNREP). This ... years of hands-on experience in the design, evaluation, or maintenance of shipboard mechanical systems , with preference for UNREP or comparable Navy logistics… more
    ManTech (11/13/25)
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  • Senior Mechanical Design Engineer

    Silvus Technologies (Los Angeles, CA)
    …to the Super Bowl, Grammys and industry-leading drone, robot, and other unmanned systems manufacturers. _Wouldn't you like to join an incredibly talented group of ... Department of Defense. THE OPPORTUNITY Silvus Technologies is seeking a _Senior Mechanical Design Engineer_ who will report to the _Engineering Manager, Product… more
    Silvus Technologies (12/06/25)
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  • Mechanical Engineer

    Cisco (San Jose, CA)
    …Silicon One (TM) **Your Impact** + Mechanical Design: Develop and refine mechanical components and systems . + Problem Solving: Use analytical and logical ... with cross-functional teams to ensure cohesive project development. + Testing and Debugging: Conduct mechanical and thermal design testing , and debug issues… more
    Cisco (12/06/25)
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  • Mechanical Engineer

    Actalent (Tustin, CA)
    …bullet points highlighting technical qualifications Job Description Join our dynamic team as a Mechanical Engineer , where you will play a pivotal role in the ... motion systems , and metallic components. + 5-8+ years of mechanical design engineering experience with a Bachelor's degree, preferably within the aerospace… more
    Actalent (01/14/26)
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