• Process Mechanical Engineer

    Jacobs (St. Louis, MO)
    …good, then Jacobs is where you belong. We are looking for a passionate and dedicated Process Mechanical Lead Engineer in Missouri. As part of our team, ... water and wastewater challenges locally and worldwide. As our Missouri Process Mechanical Lead Engineer , you'll be charged with planning, preliminary,… more
    Jacobs (10/24/25)
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  • Mechanical Engineer PE I

    ENFRA (Creve Coeur, MO)
    …you. If you have any questions, feel free to ask during the interview process ! **Overview** ** Mechanical Engineer PE I Responsibilities:** The Mechanical ... any other classification protected by law. Submit a Referral (https://careers-enfra.icims.com/jobs/6370/ mechanical - engineer -pe-i/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834357758) **Job Locations** _US-MO-Creve Coeur_ **ID** _2024-6370_… more
    ENFRA (10/24/25)
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  • Senior Process Engineer - Specialty…

    Burns & McDonnell (St. Louis, MO)
    **Description** Burns & McDonnell is looking for an experienced Senior Process or Mechanical engineer to help us Wow our clients in the Specialty Chemical ... looking for a new culture, we'd welcome you with open arms. The Senior Process Engineer will lead mechanical design project teams to create world class… more
    Burns & McDonnell (09/22/25)
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  • Mechanical Engineer 5(Industrial/…

    CDM Smith (St. Louis, MO)
    …the work of junior engineers on project work. **Job Title:** Mechanical Engineer 5(Industrial/ Process ) **Group:** IND **Certification/License Requirements:** ... EPC projects for industrial / petrochemical clients focused on process and utility piping, process mechanical...3D and 4D software and practices. Expert Knowledge of engineer principles of design. Expert Knowledge of Microsoft business… more
    CDM Smith (11/08/25)
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  • Building Mechanical Engineer

    Burns & McDonnell (St. Louis, MO)
    **Description** The staff mechanical engineer is responsible for supporting the discipline lead at a project level on simple to complex projects. Project work ... , corporate, industrial, manufacturing, government, and military facilities. The staff mechanical engineer coordinates with internal and external parties,… more
    Burns & McDonnell (11/04/25)
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  • Senior Mechanical Engineer , Mission…

    JE Dunn Construction Company (St. Louis, MO)
    Senior Mechanical Engineer , Mission Critical, Traveler Location: Kansas City, MO, US, 64106Cleveland, OH, USDallas, TX, US, 75254Mesa, AZ, USClarksville, TN, ... diverse team of industry professionals._ **Role Summary** The M/E Engineer 3 will complete increasingly complex mechanical ,... and electrical options as part of the preconstruction process and completes systems analysis for select projects. +… more
    JE Dunn Construction Company (10/22/25)
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  • Mechanical Engineer

    Ameren (St. Louis, MO)
    …include project support duties that may require long and/or non-standard work hours. The Mechanical Engineer will report to the Supervising Engineer - New ... provided to regular full-time employees. ​ **_About The Position_** _The Mechanical (ME) Engineer performs engineering studies, designs, technical specification… more
    Ameren (12/15/25)
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  • Lead Mechanical Engineer -- Energy…

    Sargent & Lundy (St. Louis, MO)
    …but are not limited to: + You will be responsible for leading the Mechanical Engineering design efforts for a team of junior and senior engineers and designers. ... assignments that include investigating, trouble-shooting, and solving a wide variety of mechanical engineering issues. + Act as the Mechanical team lead… more
    Sargent & Lundy (10/14/25)
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  • Senior Mechanical HVAC Engineer

    Jacobs (St. Louis, MO)
    …every market and every location. We're looking for an experienced, high-energy, HVAC Engineer to join our Building Mechanical team and help deliver innovative ... and selecting these systems, the development of Air Flow Diagrams (AFDs), Process and Instrumentation Diagrams (P&IDs), and general arrangements. * Development of… more
    Jacobs (10/17/25)
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  • Electro- Mechanical Technician…

    The Cigna Group (St. Louis, MO)
    …service on automated pharmacy equipment. + Troubleshoot and repair electrical, mechanical , and pneumatic systems using technical drawings and schematics. + Diagnose ... circuit boards, power supplies, IO modules). + Repair and maintain mechanical systems (gearboxes, bearings, conveyors, robots, pneumatic components). + Execute… more
    The Cigna Group (12/04/25)
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