• 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 (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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  • 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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  • 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 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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  • 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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  • 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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  • 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 ... everyday problems. While serving as mentor to the production teams, the mechanical engineer will engage in rigorous design and analysis processes using the most… more
    TYLin (11/12/25)
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