• Mechanical Engineer

    Belcan (High Ridge, MO)
    Mechanical Engineer Job Number: 361894 Category: -Engineering & Design SBU Description: A mid-level Mechanical Engineer job in High Ridge, MO is ... design experience and/or manufacturing experience. Job Duties: The engineer will complete mechanical design tasks and be the primary link between onsite… more
    Belcan (12/23/25)
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  • Forensic Mechanical Engineer , PE

    EFI Global (Wentzville, MO)
    …anywhere. Click here to learn more about EFI Global. Seeking a ** Mechanical Engineer ** with expertise in commercial, residential, or industrial ** ... mechanical systems, mechanical equipment, and mechanical component design and failure analysis** . **This** r **emote role working from a home based**… more
    EFI Global (12/10/25)
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  • Senior Mechanical Engineer - Chiller…

    Leonardo DRS, Inc. (High Ridge, MO)
    …our Commercial/Industrial business, please visit: www.marlocoil.com . **Job Summary** Mechanical Engineer position primarily responsible for developing Marine, ... for component sizing, selection, and performance predictions. May include Mechanical Analysis, Aerodynamics/Fluids, Thermal, Fluid Systems, Mechanical Packaging,… more
    Leonardo DRS, Inc. (10/09/25)
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  • Mechanical Engineer II - Thermal…

    Leonardo DRS, Inc. (High Ridge, MO)
    …business, please visit: www.marlocoil.com . **Job Summary** Join us as a Mechanical Engineer II, responsible for the development, testing and analysis ... system upgrades **Education & Experience Requirements** + Bachelor's Degree in mechanical engineering, chemical engineering, or related technical field + Comfortable… more
    Leonardo DRS, Inc. (10/08/25)
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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 ... testing, qualification, and production. **Job Responsibilities** * Design of mechanical equipment, especially heat exchangers, air conditioning, refrigeration and… more
    Leonardo DRS, Inc. (10/08/25)
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  • Mechanical Operating Engineer (Night…

    Insight Global (O Fallon, MO)
    Job Description A client of Insight Global is looking for a night shift Mechanical Operating Engineer . This person will be responsible for the efficient ... equipment, chillers, pumps, cooling towers, and air distribution systems. The engineer monitors and adjusts mechanical /pneumatic equipment, performs repairs, and… more
    Insight Global (12/02/25)
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  • Mechanical Systems Design & Analysis…

    The Boeing Company (St. Charles, MO)
    …your future with us. The Boeing Test & Evaluation (BT&E) team is seeking a ** Mechanical Systems Design & Analysis Engineer ** to join our team in **Saint Charles, ... MO** . On the BT&E Test Operations & Engineering team, the design engineer has the primary responsibility for the synthesis of requirements, creation of engineering… more
    The Boeing Company (12/25/25)
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  • Lead or Senior Mechanical Systems Design…

    The Boeing Company (St. Charles, MO)
    …Boeing Defense, Space & Security (BDS) is hiring a **Lead** or **Senior Mechanical Systems Design & Analysis Engineer (Ordnance)** in **Saint Charles, ... Missouri.** Boeing has an established legacy of national defense through our Space, Intelligence & Weapon Systems programs. BDS Engineering delivers decisive mission advantages through cutting-edge capabilities and supports design, manufacturing, and services… more
    The Boeing Company (12/25/25)
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  • Operations Engineer , AMZL Start…

    Amazon (St. Peters, MO)
    …from the front of the pack. As an Amazon Logistics [AMZL] Operations Engineer , you will lead and manage the lifecycle of challenging cross-functional projects, ... other engineering team members, utilizing the knowledge of Amazon's safety, mechanical , electrical and controls installation standard and guidelines. About the team… more
    Amazon (01/01/26)
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  • Co-op: Application Engineer

    Eaton Corporation (Ellisville, MO)
    …At Eaton, we believe that power, whether it's electrical, hydraulic, or mechanical power -- is a fundamental part of people's lives. Technology, transportation, ... solutions that help our customers effectively manage electrical, hydraulic, and mechanical power more efficiently, safety and sustainably. We have approximately… more
    Eaton Corporation (10/10/25)
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  • Project Engineer

    Ensign-Bickford Aerospace and Defense (O'Fallon, MO)
    …to learn more. Job Description Job Description Summary The Project Engineer is responsible for designing and implementing capital projects that ensure ... continuous improvement, equipment reliability, and plant performance. The Project Engineer works both independently and collaboratively with Operations, Maintenance,… more
    Ensign-Bickford Aerospace and Defense (11/01/25)
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  • Operating Engineer

    Cushman & Wakefield (O'Fallon, MO)
    **Job Title** Operating Engineer **Job Description Summary** Responsible to ensure the efficient operation and maintenance of mechanical , electrical and plumbing ... and air distribution systems, etc. * Monitor and adjust all mechanical /pneumatic equipment, steam stations, control gauges, distributor panels, valves, thermostats,… more
    Cushman & Wakefield (12/17/25)
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  • Customer Engineer III (C3)

    Applied Materials (St. Peters, MO)
    …go. Learn more about our benefits (https://hrportal.ehr.com/applied/) . As a Field Service Engineer [Customer Engineer ] at Applied Materials, you serve as the ... and corrective maintenance on various systems such as electrical, vacuum, mechanical , plasma, hydraulic, and gas systems. Additionally, you'll coordinate and… more
    Applied Materials (11/15/25)
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  • Construction Project Engineer - Constructiv

    Generac Power Systems (Augusta, MO)
    …cooling infrastructure that supports data centers **Job Summary** The Project Engineer 's position establishes the fundamental principles for an individual's growth ... scheduling. + Procurement and expediting of material and equipment. + Mechanical , electrical, and piping systems coordination. + Shop drawing/submittal review and… more
    Generac Power Systems (10/07/25)
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  • Software Engineer -Test & Verification…

    The Boeing Company (St. Charles, MO)
    …Find your future with us. The Boeing Company is looking for a **Software Engineer - Test & Verification (Associate, Mid Level or Senior)** to join the **Phantom ... systems. + Knowledge of various engineering disciplines such as electrical, mechanical , and systems. The ability to communicate with technical personnel from… more
    The Boeing Company (12/25/25)
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  • Software Engineer -Simulation (Associate,…

    The Boeing Company (St. Charles, MO)
    …Find your future with us. The Boeing Company is looking for a **Software Engineer - Simulation (Associate, Mid Level or Senior)** to join the **Phantom Works Weapons ... systems. + Knowledge of various engineering disciplines such as electrical, mechanical , and systems. The ability to communicate with technical personnel from… more
    The Boeing Company (12/25/25)
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  • Test and Integration Engineer (Associate…

    The Boeing Company (St. Charles, MO)
    …Precision Engagement Systems Team is currently looking for a **Test and Integration Engineer (Associate or Experienced)** to join the team based in **St. Charles, ... success + Development of functional-level and detail-level hardware/software requirements, electrical/ mechanical /software design for bench test equipment and other test… more
    The Boeing Company (12/25/25)
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  • Extrusion Process Engineer

    CPM Holdings, Inc. (St. Charles, MO)
    …more sustainable. For more information, visit OneCPM.com. JOB SUMMARY: The Process Engineer will play a key technical role supporting Sales, Engineering, and ... and extrusion system design. QUALIFICATIONS. + Bachelor's Degree in Chemical Engineering, Mechanical Engineering, Polymer Science, or related field. + 7+ years of… more
    CPM Holdings, Inc. (11/12/25)
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  • Phantom Works Advanced Weapons Air Vehicle Leader

    The Boeing Company (St. Charles, MO)
    …Responsibilities:** + Lead team performing engineering and technical activities in mechanical & structural engineering, as well as special technology integration + ... 18+ years with a Masters OR 14+ years with a PhD + Experience leading mechanical or structural engineering teams in a Technical Lead Engineer (TLE) role… more
    The Boeing Company (12/25/25)
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