• 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
    DirectEmployers Association (10/22/25)
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  • 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 (St. Louis, 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-St. Louis_ **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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  • 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 (09/15/25)
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  • Mechanical Engineer Intern

    Leonardo DRS, Inc. (Bridgeton, MO)
    …St. Louis area. **Job Summary** Leonardo DRS Land Systems is seeking a Summer Mechanical Engineer Intern for our Bridgeton, MO facility to support the design, ... fabrication support and modification of mechanical and/or electro- mechanical components, sub-systems and systems....The intern may also investigate solutions to product or process problems. Key skills are the ability to work… more
    Leonardo DRS, Inc. (11/11/25)
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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, ... in a variety of configurations to cool, heat, and dehumidify air streams for process and building comfort. We pride ourselves on having equipment on most surface… more
    Leonardo DRS, Inc. (10/09/25)
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  • Rotating Machinery Mechanical Design…

    GE Aerospace (St. Louis, MO)
    …team of the nation's best, regardless of where we live. The Rotating Machinery Mechanical Design Engineer is key in coordinating the resources and activities ... analysis and containment analysis. + Work closely with the Systems Engineer , performance engineers, aerodynamicists, structural engineers, and program team to ensure… more
    GE Aerospace (09/27/25)
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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 ... in a variety of configurations to cool, heat, and dehumidify air streams for process and building comfort. We pride ourselves on having equipment on most surface… more
    Leonardo DRS, Inc. (10/08/25)
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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 (11/08/25)
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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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  • Mechanical Engineer II

    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 ... in a variety of configurations to cool, heat, and dehumidify air streams for process and building comfort. We pride ourselves on having equipment on most surface… more
    Leonardo DRS, Inc. (10/08/25)
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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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  • Mechanical Drafter *Entry Level

    Actalent (St. Louis, MO)
    Job Title: Mechanical Drafter Job Description We are seeking a talented Mechanical Drafter to join our engineering team. The successful candidate will follow ... high standards of accuracy and efficiency. This role requires a strong mechanical aptitude, excellent communication skills, and proficiency in AutoCAD and 3D design… more
    Actalent (11/11/25)
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  • Advanced Manufacturing Engineer , Sr…

    Honeywell (Olivette, MO)
    As an Advanced Manufacturing Engineer here at Honeywell, you will optimize production processes, drive continuous improvement, and collaborate with teams to achieve ... Danville, KY location on a hybrid work schedule. As a Senior Advanced Manufacturing Engineer here at Honeywell, you will play a critical role in driving innovation,… more
    Honeywell (11/06/25)
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  • Senior Manufacturing Engineer - Lean…

    Honeywell (Olivette, MO)
    As a Sr Manufacturing Engineer here at Honeywell, you will lead initiatives to enhance manufacturing operations and drive process improvements within our ... work schedule. In this role, you will impact the overall manufacturing process by implementing innovative solutions that enhance productivity, reduce costs, and… more
    Honeywell (10/29/25)
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  • Entry Process Automation Systems…

    Emerson (St. Louis, MO)
    …and implement automation projects using DeltaV (Distributed Control System) as an **Entry Process Automation Systems Engineer ** based in our **Blue Bell, PA, ... NC, Houston, TX, or St. Louis, MO** office. DeltaV is Emerson's digital process automation solution that controls the production line of a plant by monitoring… more
    Emerson (09/11/25)
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  • Senior Application Engineer

    Eaton Corporation (St. Louis, MO)
    …job portability, etc. **Preferred Qualifications:** * Bachelor's degree in Electrical or Mechanical Engineering * A Professional Engineer (PE) License * ... American Sales division is currently seeking a Senior Application Engineer to join their team. Join a fast-growing, remote...assist you in your job search, application, or interview process , please call us at ### to discuss your… more
    Eaton Corporation (11/01/25)
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