• TYLin (St. Louis, MO)
    …the world's leading clients and partners. **Job Summary** We are looking for an Associate, Senior Mechanical Engineer in our St. Louis location, that can work in ... and feasibility reports + Represent Introba by attending meetings and presentations + Design and engineer HVAC systems for new installations, system retrofits,… more
    DirectEmployers Association (12/11/25)
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  • JE Dunn Construction Company (St. Louis, MO)
    …based upon program and schematic design information. + Reviews mechanical and electrical options, completes systems analysis, recommends best system ... Senior Mechanical Engineer, Mission Critical, Traveler...for collecting and assembling data, developing estimates and generating systems and bid analysis. All activities will be performed… more
    DirectEmployers Association (10/22/25)
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  • Senior Mechanical Systems

    The Boeing Company (Hazelwood, MO)
    …Find your future with us. Boeing Defense, Space & Security (BDS) is looking for a ** Senior Mechanical Systems Design & Analysis Engineer** to join our ... technical quality review of the development and documentation of mechanical and fluid systems and thermal environment...design + Lead activities to validate and verify mechanical and fluid systems requirements + Lead… more
    The Boeing Company (12/05/25)
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  • Associate Principal, Mechanical , Data…

    TYLin (St. Louis, MO)
    …world's leading clients and partners. **Job Summary** We're looking for an experienced Senior Mechanical Engineer to join our organization, which prides itself ... facilities up to 1.5GW campuses. Delivering the entire product lifecycle, ushering mechanical design solutions from analysis to implementation. The role requires… more
    TYLin (11/12/25)
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  • Senior Mechanical HVAC Engineer

    Jacobs (St. Louis, MO)
    …Thorough knowledge of codes and standards related to the design of HVAC systems . * Bachelor of Science Degree in Mechanical Engineering. * Adaptability to ... an experienced, high-energy, HVAC Engineer to join our Building Mechanical team and help deliver innovative HVAC design...Highlights of your contributions will include: * Layout and design of HVAC systems . * Development of… more
    Jacobs (10/17/25)
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  • Lead Mechanical Engineer -- Energy…

    Sargent & Lundy (St. Louis, MO)
    …in the coordination of detailed design phases for all aspects of mechanical engineering work. + Develop integrated systems designs and perform supporting ... design efforts for a team of junior and senior engineers and designers. + You will work on...Engineering preferred. + 7+ years of experience in the design of mechanical engineering systems more
    Sargent & Lundy (10/14/25)
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  • Phantom Works Proprietary Structural Design

    The Boeing Company (Berkeley, MO)
    …& Security (BDS), Phantom Works Division,** is hiring **Associate, Experienced, and Senior Structural Design Engineers** for an advanced aircraft development ... **Berkeley, MO.** BDS Phantom Works programs, develop complex, highly integrated, advanced systems , enabling future growth for Boeing and our Department of Defense… more
    The Boeing Company (10/24/25)
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  • MP&P Engineer ( Mechanical

    The Boeing Company (Berkeley, MO)
    mechanical engineering for mid level + 9+ years of experience in mechanical engineering for senior level + Experience with fastener installation **Typical ... Find your future with us. Boeing Defense & Space (BDS) is seeking a ** Mechanical /Structures/Assembly Engineer** (level 3 or 4) to join our team in the greater St.… more
    The Boeing Company (12/11/25)
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  • Senior Electrophysics Engr/Scien (Comm…

    The Boeing Company (Berkeley, MO)
    …of activities related to advanced mission systems in **Berkeley, Missouri.** As a Senior Electronic Design Engineer, you will be part of a team working on ... (IAS) team in Phantom Works is looking for a ** Senior Electronic Design Engineer t** o join...and components. Develops and validates electromagnetic requirements for electrical\electronic systems , mechanical systems , interconnects and… more
    The Boeing Company (12/12/25)
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  • Senior Avionics Hardware Engineer…

    The Boeing Company (Berkeley, MO)
    …future with us. **Boeing Defense, Space & Security (BDS)** , is seeking a Senior Avionics Hardware Engineer - Fighters Mission Systems (Level 5) in **Berkeley,** ... the Mission Systems Hardware + Support airworthiness efforts for hardware design , development and implementation **This position is expected to be 100% onsite.… more
    The Boeing Company (12/07/25)
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