• 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 (07/25/25)
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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 (07/25/25)
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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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  • 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. (08/12/25)
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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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  • 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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  • 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...and ensure quality are in line with the company mechanical engineering process . + Participate in scoping,… more
    TYLin (08/13/25)
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  • Associate Principal Process Engineer

    BioFire Diagnostics, LLC. (Hazelwood, MO)
    The Associate Principal Process Engineer will work within the Reagent Engineering team as the lead point of contact for Sensor Manufacturing. Overall, this ... engineer will ensure day to day line performance is...Engineering in the development and execution of long term process optimization. PRIMARY DUTIES* Main accountability is to act… more
    BioFire Diagnostics, LLC. (09/19/25)
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  • Material & Process Engineer

    The Boeing Company (Berkeley, MO)
    …Team within Boeing Technology Innovation (BTI) is seeking a **Materials & Process Engineer ** **(Associate, Mid Level or Senior)** - **Composites Materials, ... Process , & Physics Engineer (MP&P)** to join...This role offers hands-on exposure to lab-scale manufacturing processes, mechanical and physical/chemical testing, data analysis, and cross-functional project… more
    The Boeing Company (10/11/25)
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  • Senior Materials & Process Engineer

    The Boeing Company (Berkeley, MO)
    …Structures Technology Team within Boeing Technology Innovation (BTI) is seeking an Senior Engineer - Composites Materials, Process , & Physics Engineer (MP&P) ... programs to de-risk and accelerate adoption by BDS programs. This experienced engineer will lead material selection, process development, characterization, and… more
    The Boeing Company (10/11/25)
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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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  • Mechanical Drafter

    Actalent (Fenton, MO)
    Job Title: Mechanical DrafterJob Description The Mechanical Drafter is responsible for creating 2D and 3D detail and general arrangement drawings. The role ... layout challenges. + Coordinate with Layout Designer Coordinator and Structural Engineer to enhance constructability of field-erected equipment. + Ensure all… more
    Actalent (10/11/25)
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  • Mechanical Engineering Fall Co-Op

    Ameren (St. Louis, MO)
    …customers. This general posting will be used to collect applications for our **2026 Mechanical Engineer Fall Co-Op** openings across the states of Illinois and ... be made as soon as possible during the hiring process . If you are selected for an intern or...a current student pursuing a** **Bachelors** **or** **Masters in Mechanical Engineering** **from an accredited college or university required… more
    Ameren (08/27/25)
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  • Digitalization Process Engineer

    Procter & Gamble (St. Louis, MO)
    …applications to tackle previously impossible solutions for manufacturing, packaging, and process transformations. This role is key to our future robotics technology ... such as industrial robots, collaborative robots and mobile platforms. As a Digtilization Engineer , you will: + Will be testing and developing new technology and… more
    Procter & Gamble (08/19/25)
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  • Senior Industrial Services Engineer

    Nestle (St. Louis, MO)
    …innovation and reliability across industrial utility systems. As a Senior Industrial Services Engineer , you will lead engineering efforts across a broad spectrum of ... mechanical utilities with a specialized focus on industrial HVAC...law. Prior to the next step in the recruiting process , we welcome you to inform us confidentially if… more
    Nestle (10/16/25)
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