• TYLin (St. Louis, MO)
    …leading clients and partners. **Job Summary** We are looking for an Associate, Senior Mechanical Engineer in our St. Louis location, that can work in ... system replacement, and system upgrades **Qualifications:** + Bachelor's Degree in Mechanical Engineering + Professional Engineer license required + Significant… more
    DirectEmployers Association (12/11/25)
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  • JE Dunn Construction Company (St. Louis, MO)
    Senior Mechanical Engineer , Mission Critical, Traveler Location: Kansas City, MO, US, 64106North Charleston, SC, US, 29405Dallas, TX, US, 75254Clarksville, TN, ... alongside our diverse team of industry professionals._ **Role Summary** The M/E Engineer 3 will complete increasingly complex mechanical , electrical and field… more
    DirectEmployers Association (10/22/25)
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  • The Foth Companies (St. Louis, MO)
    …hot water, compressed air, CO2, Refrigeration, etc. + Experience in pneumatic and mechanical conveying systems + Registered Professional Engineer or ability to ... is currently seeking a team-focused, innovative, and results-oriented **Industrial Ventilation Engineer ** who has a desire to contribute to our clients' success… more
    DirectEmployers Association (12/05/25)
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  • GCG (Chesterfield, MO)
    …Automation** in Missouri! Neff Power, a GCG Company, is currently seeking a Design Engineer to lend expertise and support to the Sales Engineering team. In this ... as assigned **What you'll bring** + Associate's degree in mechanical engineering, design, or a related field required; Bachelor's...MS Office Suite, specifically Outlook, Word, and Excel + Mechanical aptitude and drive to learn and grow with… more
    DirectEmployers Association (01/07/26)
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  • Henkel (St. Louis, MO)
    Stationary Engineer Mechanic **_About_** **_this_** **_Position_** At Henkel, you'll be part of an organization that's shaping the future through innovation, ... Must be able to analyze and determine proper corrective action to resolve mechanical problems on any plant equipment using available resources. + Basic computer… more
    DirectEmployers Association (01/09/26)
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  • ARCO (St. Louis, MO)
    **ABOUT YOU** We are looking for a HVAC Engineer to join our growing team in St. Louis (Richmond Heights). You will be responsible for the design and engineering of ... HVAC and mechanical systems from concept through construction. The ideal candidate...**A DAY IN THE LIFE** + Design HVAC and mechanical systems for commercial and industrial buildings + Prepare… more
    DirectEmployers Association (10/29/25)
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  • ENTRUST Solutions Group (St. Louis, MO)
    …improvements, pipelines, regulator stations, and trenchless installations. As a Design Engineer , you'll be part of a multidisciplinary team, collaborating closely ... in St. Louis, Missouri. **Minimum Requirements:** + Bachelor's degree in civil, mechanical , chemical, or petroleum engineering from an accredited institution. + Must… more
    DirectEmployers Association (12/16/25)
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  • 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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  • Assistant Mechanical Engineer

    Burns & McDonnell (St. Louis, MO)
    **Description** The Assistant Mechanical Engineer will work under the supervision of a licensed professional engineer to assist project teams to create world ... airports, institutional, industrial, manufacturing, government and military facilities. The Assistant Mechanical Engineer will work with the project team… more
    Burns & McDonnell (01/14/26)
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  • 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 front-end planning/preliminary design/code analysis;… more
    Burns & McDonnell (01/06/26)
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  • Mechanical Engineer 4

    CDM Smith (St. Louis, MO)
    …address today's needs and anticipate tomorrow's demands. We're looking for a skilled Mechanical Engineer with expertise in HVAC and plumbing systems. This role ... future leadership roles. - Performing other duties as required. **Job Title:** Mechanical Engineer 4 **Group:** ISO **Employment Type:** Regular **Minimum… more
    CDM Smith (11/26/25)
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  • Forensic Mechanical Engineer , PE

    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 ** ... 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. (01/08/26)
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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

    Leonardo DRS, Inc. (High Ridge, MO)
    …details on our Commercial/Industrial operations, see www.marlocoil.com . **Job Summary** Mechanical Engineer position responsible for supporting projects and ... Responsibilities** * Support projects for the development and support of mechanical equipment, especially heat exchangers, air conditioning, refrigeration, and air… more
    Leonardo DRS, Inc. (01/09/26)
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  • Mechanical Engineer PE I

    ENFRA (Creve Coeur, MO)
    …you have any questions, feel free to ask during the interview process! **Overview** ** Mechanical Engineer PE I Responsibilities:** The Mechanical Engineer ... any other classification protected by law. Submit a Referral (https://careers-enfra.icims.com/jobs/9032/ mechanical - engineer -pe-i/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834357758) **Job Locations** _US-MO-Creve Coeur_ **ID** _2026-9032_… more
    ENFRA (01/12/26)
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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. (01/07/26)
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  • Mechanical Engineer PE I

    ENFRA (Creve Coeur, MO)
    …than just valuesthey are the pillars of our continued success. **Overview** The Mechanical Engineer PE I applies standard engineering techniques to design, ... 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_ **ID** _2025-7913_… 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 ... wastewater challenges locally and worldwide. As our Missouri Process Mechanical Lead Engineer , you'll be charged with planning, preliminary, and detailed design… more
    Jacobs (01/08/26)
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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. (01/07/26)
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