• Lead Mechanical Engineer - Power…

    Burns & McDonnell (St. Louis, MO)
    **Description** Burns & McDonnell has an exciting opportunity for a Lead Mechanical Engineer to join the Power global practice. This position is responsible for ... as well as associated support facilities. As a Lead Mechanical Engineer , you will be responsible for...experience required; EPC project experience preferred + Professional Engineering ( PE ) license is preferred + Candidate must have excellent… more
    Burns & McDonnell (10/28/25)
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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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  • Forensic Mechanical Engineer

    EFI Global (St. Louis, MO)
    …anywhere. Click here to learn more about EFI Global. Seeking a ** Mechanical Engineer ** with expertise in commercial, residential, or industrial ** ... a variety of industries in both the public and private sectors. Over the last four decades, we have...mechanical systems, mechanical equipment, and mechanical component design and… more
    EFI Global (12/10/25)
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  • Mechanical Engineer

    CDM Smith (St. Louis, MO)
    …work of junior engineers on project work. **Job Title:** Mechanical Engineer 5(Industrial/Process) **Group:** IND **Certification/License Requirements:** ... **Employment Type:** Regular **Minimum Qualifications:** Bachelor's degree in Mechanical , Architectural or Chemical Engineering, or in Engineering Technology or… more
    CDM Smith (11/08/25)
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  • Mechanical Engineer PE I

    ENFRA (Creve Coeur, MO)
    …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_… more
    ENFRA (10/24/25)
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  • Mechanical Engineer PE I

    ENFRA (Creve Coeur, MO)
    …more than just valuesthey are the pillars of our continued success. **Overview** The Mechanical Engineer PE I applies standard engineering techniques to ... any other classification protected by law. Submit a Referral (https://careers-enfra.icims.com/jobs/7913/ mechanical - engineer - pe -i/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834357758) **Job Locations** _US-MO-Creve Coeur_… more
    ENFRA (10/21/25)
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  • Process Mechanical Engineer

    Jacobs (St. Louis, MO)
    …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, you'll have the ... water and wastewater challenges locally and worldwide. As our Missouri Process Mechanical Lead Engineer , you'll be charged with planning, preliminary, and… more
    Jacobs (10/24/25)
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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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  • Associate Principal, Mechanical , Data…

    TYLin (St. Louis, MO)
    …leading clients and partners. **Job Summary** We're looking for an experienced Senior Mechanical Engineer to join our organization, which prides itself on ... While serving as mentor to the production teams, the mechanical engineer will engage in rigorous design...licenses or certifications required by the position: ASHRAE, EMC, PE , LEED, USGBC, ISO 9001, OHSAS, OSHA, B3, OPEX… more
    TYLin (11/12/25)
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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 and ... we'd welcome you with open arms. The Senior Process Engineer will lead mechanical design project teams...documents and specifications. + Ability to travel. + Professional Engineer ( PE ) License is preferred. Preferred: Demonstrated… more
    Burns & McDonnell (09/22/25)
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