• 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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  • 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 ... process, 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, ... alongside our diverse team of industry professionals._ **Role Summary** The M/E Engineer 3 will complete increasingly complex mechanical , electrical and field… more
    JE Dunn Construction Company (10/22/25)
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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 (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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  • Associate, Senior Mechanical

    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
    TYLin (12/11/25)
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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)
    …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/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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  • Civil or Mechanical Engineer - Entry…

    Farnsworth Group (St. Louis, MO)
    Position: Civil or Mechanical Engineer - Entry Level Location: St. Louis, MO Job Id: 3163 # of Openings: 1 Join us and grow your career with a certified Great ... through your work. Farnsworth Group is seeking an Entry-Level Engineer in one of the below posting locations. In...software Specific Requirements include: + BS in Civil or Mechanical Engineering, from an ABET accredited institution + 0-3… more
    Farnsworth Group (12/16/25)
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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. (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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  • 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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  • Government Training Engineering…

    The Boeing Company (Hazelwood, MO)
    …Hardware Design Team is currently looking for an **Associate (Level 2) and Experienced Mechanical Design Engineer (Level 3)** to join their team in **Hazelwood, ... the computational and facilities infrastructure to support these devices. The design engineer will analyze and translate requirements into hardware designs with a… more
    The Boeing Company (12/25/25)
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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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  • MP&P Engineer ( Mechanical

    The Boeing Company (Berkeley, MO)
    …growth. Find your future with us. Boeing Defense & Space (BDS) is seeking a ** Mechanical /Structures/Assembly Engineer ** (level 3 or 4) to join our team in the ... related to the work statement + 5+ years of experience in mechanical engineering **Preferred Qualifications (Desired Skills/Experience):** + 5+ years of experience… more
    The Boeing Company (12/25/25)
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  • Senior Mechanical Systems Design & Analysis…

    The Boeing Company (Hazelwood, MO)
    …with us. Boeing Defense, Space & Security (BDS) is looking for a **Senior Mechanical Systems Design & Analysis Engineer ** to join our team **Phantom Works** ... Lead and provide technical quality review of the development and documentation of mechanical and fluid systems and thermal environment to establish the system design… 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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  • 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. ... include investigating, trouble-shooting, and solving a wide variety of mechanical engineering issues. + Act as the Mechanical... mechanical engineering issues. + Act as the Mechanical team lead in the coordination of detailed design… 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 ... of HVAC systems. * Bachelor of Science Degree in Mechanical Engineering. * Adaptability to work within a fast-paced...with multiple deadlines. * Ability to lead a building mechanical team on a project and to collaborate with… more
    Jacobs (10/17/25)
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