• Mechanical Systems Design

    The Boeing Company (St. Charles, MO)
    …with us. The Boeing Test & Evaluation (BT&E) team is seeking a ** Mechanical Systems Design & Analysis Engineer** to join our team in **Saint Charles, ... range of experience levels including **Experienced** and **Senior** level Mechanical System Design & Analysis ...or computer science + 5+ years of experience in mechanical systems design + Experience… more
    The Boeing Company (12/15/25)
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  • Senior Mechanical Engineer - Chiller…

    Leonardo DRS, Inc. (High Ridge, MO)
    …HVAC&R equipment for component sizing, selection, and performance predictions. May include Mechanical Analysis , Aerodynamics/Fluids, Thermal, Fluid Systems , ... manuals, and procedures * Support testing, qualification, documentation and analysis of prototypes, products, systems or subsystems....used in HVAC&R systems . * Engineering or design experience with mechanical equipment, assemblies and… more
    Leonardo DRS, Inc. (10/09/25)
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  • Mechanical Engineer II - Thermal…

    Leonardo DRS, Inc. (High Ridge, MO)
    …equipment, especially heat exchangers, air conditioning, refrigeration, and air handling systems + Support system design through flowsheet (P&ID) development ... analysis and component selection + Support testing, qualification, documentation and analysis of prototypes, products, systems or subsystems + Create… more
    Leonardo DRS, Inc. (10/08/25)
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  • Forensic Mechanical Engineer, PE

    EFI Global (Wentzville, MO)
    …or industrial ** mechanical systems , mechanical equipment, and mechanical component design and failure analysis ** . **This** r **emote ... investigations and failure analysis of commercial, residential, and industrial mechanical systems and** **components. Mechanical ** **failure analysis more
    EFI Global (12/10/25)
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  • Mechanical Engineer II

    Leonardo DRS, Inc. (High Ridge, MO)
    …on our Commercial/Industrial business, please visit: www.marlocoil.com . **Job Summary** The Mechanical Design Engineer position is responsible for developing a ... and supporting product testing, qualification, and production. **Job Responsibilities** * Design of mechanical equipment, especially heat exchangers, air… more
    Leonardo DRS, Inc. (10/08/25)
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  • Electrical Energy Engineer

    ENFRA (Creve Coeur, MO)
    …electrical systems while performing technical on-site surveys and in-office analysis on assigned projects. Analysis will include participation in technical ... Survey Team with necessary electrical infrastructure designs to support proposed mechanical equipment changes/upgrades. Can include design work involving… more
    ENFRA (11/26/25)
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  • Operations Engineer, AMZL Start Up Execution

    Amazon (St. Peters, MO)
    …budgetary, safety and driving quality targets; analyzing and deep diving systems performance, inventing and simplifying solutions that allow for improved processes ... solutions on an individual system or its components, on the overall systems architecture, and on facility processes . *Partner with internal teams, stakeholders… more
    Amazon (10/02/25)
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  • Project Engineer

    Ensign-Bickford Aerospace and Defense (O'Fallon, MO)
    …from concept through commissioning, including scope development, budgeting, design , procurement, contract negotiations construction, start-up, and closeout. + ... efficiency, and cost savings. + Support long-term capital planning through analysis of plant needs, resource requirements, and technology trends. + Ensure… more
    Ensign-Bickford Aerospace and Defense (11/01/25)
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  • Test and Integration Engineer (Associate…

    The Boeing Company (St. Charles, MO)
    …success + Development of functional-level and detail-level hardware/software requirements, electrical/ mechanical /software design for bench test equipment and ... Find your future with us. The Boeing Precision Engagement Systems Team is currently looking for a **Test and...directly responsible for System Integration support and leadership from design through test and fielding. This position includes the… more
    The Boeing Company (12/14/25)
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  • Phantom Works Advanced Weapons Air Vehicle Leader

    The Boeing Company (St. Charles, MO)
    …assemblies and strength analysis of the airframe + Lead team through design and build of structural test planning and execution + Coordinate across various ... Charles, MO** . Phantom Works programs develop complex, highly integrated, advanced systems , enabling future growth for Boeing and our Department of Defense (DoD)… more
    The Boeing Company (12/04/25)
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  • Maintenance Supervisor-night shift

    Dairy Farmers of America (Pacific, MO)
    …+ Remain current with latest and emerging industry regulations and codes relative to mechanical and electrical systems design and operation + Provide staff ... maintained to minimize costs of asset breakdowns + Use systems (eg, SAP) to support task planning with time...systems + Support work for proper root cause analysis on breakdowns or failures to ensure equipment breakdown… more
    Dairy Farmers of America (12/12/25)
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  • Materials Process and Physics (MP&P) Engineer…

    The Boeing Company (St. Charles, MO)
    …tools, equipment, materials, parts and processes used in the engineering design , manufacture and/or maintenance of Boeing products + Develops material/engineering ... and audits to qualify suppliers to applicable requirements + Conducts routine analysis to determine performance or reasons for failures of tools, materials, parts… more
    The Boeing Company (12/05/25)
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