• Mechanical Engineer I

    EMCOR Group (Irvine, CA)
    …engineering and design support for the Mesa Energy Systems Engineering Group. The Mechanical Engineer I will apply their engineering education to support other ... for HVAC systems based on instructions and pre-established guidelines. + Assist Mechanical Engineers by participating in job site surveys to gather as-built… more
    EMCOR Group (11/11/25)
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  • Senior Mechanical Engineer

    Arup (San Francisco, CA)
    …we serve. Our West Coast mechanical team is looking for a **Senior Mechanical Engineer ** to join our multi-disciplinary team anchored in San Francisco. Arup ... around resiliency and critical care. **The Opportunity:** - Leading mechanical engineering designs and providing multi-disciplinary design leadership on projects.… more
    Arup (10/15/25)
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  • Mechanical Engineer

    Actalent (Pleasanton, CA)
    Actalent is hiring for a Mechanical Engineer V in Pleasanton, CA!! POSITION SUMMARY: Performs complex activities in the testing and sustaining of class II and ... class III mechanical circulatory support products including Ventricular Assist Devices VADs...for VAD applications + Work with cross-functional teams for development of new products and improvement to existing products… more
    Actalent (12/03/25)
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  • Sr. Advanced Mechanical Design…

    Honeywell (Torrance, CA)
    As a Sr. Advanced Mechanical Design Engineer here at Honeywell, you will play a key role within the Turbomachinery and Heat Exchanger Analysis group in our ... Additive Analysis Mechanical and Design (AAMD) directorate. You will be responsible...Design (AAMD) directorate. You will be responsible for the development and analysis of Environmental Control System (ECS) turbomachinery,… more
    Honeywell (10/08/25)
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  • Senior Mechanical Engineer

    Lockheed Martin (Sunnyvale, CA)
    …the Flight Sciences Group supporting the FBM D5LE2 Loads & Dynamics effort as a Mechanical Engineer \- Dynamics \- FEM\! In this role, you will: *Perform ... from both in\-house and commercially available software codes, that simulate mechanical loading conditions, mechanism deployment motions, and the response behavior… more
    Lockheed Martin (09/25/25)
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  • Thermal Lab Mechanical Engineer

    The Boeing Company (El Segundo, CA)
    …technologies. Boeing Technology Innovation (BTI) is looking for a **Thermal Lab Mechanical Engineer (Mid-Level or Senior)** based in **El Segundo, CA** ... We are Boeing Technology Innovation (BTI): Boeing's global research and development team creating and implementing innovative technologies that make the impossible… more
    The Boeing Company (11/28/25)
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  • Senior Mechanical Engineer (Remote)

    Amentum (China Lake, CA)
    Amentum is seeking an experienced engineer to be a Technical Lead in a dynamic, fast-paced, and challenging research and development environment in support of ... Technical Leadership: Critical aspects of this role are to lead the development of technical solutions, develop concept solutions, and lead detailed design efforts… more
    Amentum (10/16/25)
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  • Mechanical Engineer

    Actalent (Corona, CA)
    itaJob Title: Mechanical Engineer For immediate consideration, please apply directly to this job posting AND email me at habels @actalentservices.com with the ... in 2026. The role involves 50% technical documentation and new product development , including reviewing customer requirements and documenting these in test plans,… more
    Actalent (11/24/25)
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  • Mechanical Engineer

    Arup (Los Angeles, CA)
    …we serve. Our San Francisco and Los Angeles team is looking for a Mechanical Engineer who will support our multi-disciplinary projects in healthcare, aviation, ... in SF or LA **The opportunity** + Assist in the design of mechanical systems including airside systems, heating and cooling hydronic systems, and specialty exhaust… more
    Arup (11/04/25)
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  • Sr. Mechanical Engineer , Cryogenic…

    Amazon (Pasadena, CA)
    …hardware design for cryogenic applications, design for manufacturing, and mechanical engineering principles. The candidate must have demonstrated driving designs ... through full product development cycles (requirements, conceptual design, detailed design, manufacturing, integration, and testing). Candidates must have a strong… more
    Amazon (11/07/25)
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