• TYLin (St. Louis, MO)
    …the world's leading clients and partners. **Job Summary** We are looking for an Associate, Senior Mechanical Engineer in our St. Louis location, that can work in ... the built environment by creating dynamic solutions - living systems - that are smart, resilient, and connected. At...client relationships + Be the point of contact and lead on complex projects + Collaborate with Director of… more
    DirectEmployers Association (12/11/25)
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  • Lead or Senior Mechanical

    The Boeing Company (St. Charles, MO)
    …us. Boeing Defense, Space & Security (BDS) is hiring a ** Lead ** or ** Senior Mechanical Systems Design & Analysis Engineer (Ordnance)** in **Saint ... legacy of national defense through our Space, Intelligence & Weapon Systems programs. BDS Engineering delivers decisive mission advantages through cutting-edge… more
    The Boeing Company (12/22/25)
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  • Mechanical Systems Design & Analysis…

    The Boeing Company (St. Charles, MO)
    …your future with us. The Boeing Test & Evaluation (BT&E) team is seeking a ** Mechanical Systems Design & Analysis Engineer** to join our team in **Saint Charles, ... a broad range of experience levels including **Experienced** and ** Senior ** level Mechanical System Design & Analysis...or computer science + 5+ years of experience in mechanical systems design + Experience with and… more
    The Boeing Company (12/15/25)
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  • Senior Mechanical Systems

    The Boeing Company (Hazelwood, MO)
    …Find your future with us. Boeing Defense, Space & Security (BDS) is looking for a ** Senior Mechanical Systems Design & Analysis Engineer** to join our team ... system design + Lead activities to validate and verify mechanical and fluid systems requirements + Lead the development, maintenance or modification of… more
    The Boeing Company (12/20/25)
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  • Senior Mechanical Engineer - Chiller…

    Leonardo DRS, Inc. (High Ridge, MO)
    Mechanical Engineer position primarily responsible for developing Marine, Water-cooled Chiller systems . This position will also lead the development of new ... for component sizing, selection, and performance predictions. May include Mechanical Analysis, Aerodynamics/Fluids, Thermal, Fluid Systems , Mechanical more
    Leonardo DRS, Inc. (10/09/25)
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  • Senior Mechanical HVAC Engineer

    Jacobs (St. Louis, MO)
    …* Thorough knowledge of codes and standards related to the design of HVAC systems . * Bachelor of Science Degree in Mechanical Engineering. * Adaptability to ... contributions will include: * Layout and design of HVAC systems . * Development of the design criteria for the...fast-paced team environment with multiple deadlines. * Ability to lead a building mechanical team on a… more
    Jacobs (10/17/25)
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  • Lead Mechanical Engineer -- Energy…

    Sargent & Lundy (St. Louis, MO)
    …and solving a wide variety of mechanical engineering issues. + Act as the Mechanical team lead in the coordination of detailed design phases for all aspects ... Engineering design efforts for a team of junior and senior engineers and designers. + You will work on...of mechanical engineering work. + Develop integrated systems more
    Sargent & Lundy (10/14/25)
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  • Systems Engineer ( Senior

    The Boeing Company (Hazelwood, MO)
    …teams are currently hiring for a broad range of experience levels including : Senior and Lead Systems Engineer. **Position Responsibilities** + Translate ... + Coordinate system integration activities across avionics, flight controls, software, and mechanical teams + Lead verification planning and execution for… more
    The Boeing Company (12/21/25)
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  • Associate Principal, Mechanical , Data…

    TYLin (St. Louis, MO)
    …world's leading clients and partners. **Job Summary** We're looking for an experienced Senior Mechanical Engineer to join our organization, which prides itself ... the built environment by creating dynamic solutions - living systems - that are smart, resilient, and connected. At...with Introba policy. **Performance Management** + Work with the Mechanical Discipline Lead to manage and participate… more
    TYLin (11/12/25)
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  • Core Processing Lead Senior Engineer

    The Boeing Company (Berkeley, MO)
    …Mission Systems Phantom Works** organization has an exciting opportunity for a ** senior level** **Core Processing Lead ** engineer. This position will be part ... in **Berkeley, MO** . Proprietary programs develop complex, highly integrated, advanced systems , enabling future growth for Boeing and our Department of Defense… more
    The Boeing Company (12/17/25)
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  • Senior Electrophysics Engr/Scien (Comm…

    The Boeing Company (Berkeley, MO)
    … and components. Develops and validates electromagnetic requirements for electrical\electronic systems , mechanical systems , interconnects and structures. + ... on a variety of activities related to advanced mission systems in **Berkeley, Missouri.** As a Senior ...Defined Radio (SDR). You will have the opportunity to lead the embedded software development, implementation of Big Iron… more
    The Boeing Company (12/12/25)
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  • Senior Avionics Hardware Engineer…

    The Boeing Company (Berkeley, MO)
    …future with us. **Boeing Defense, Space & Security (BDS)** , is seeking a Senior Avionics Hardware Engineer - Fighters Mission Systems (Level 5) in **Berkeley,** ... **Po** **sition Responsibilities:** + Overall subject matter expert and technical lead engineer for the Mission Computers and Stores Management hardware for… more
    The Boeing Company (12/07/25)
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  • Senior Industrial Services Engineer

    Nestle (St. Louis, MO)
    …driving innovation and reliability across industrial utility systems . As a Senior Industrial Services Engineer, you will lead engineering efforts across a ... natural gas, steam, chilled water and heat recovery + Lead mechanical utility standards, design, project execution...+ Ensure safe, reliable and efficient operation of all mechanical utility systems , minimizing environmental impact and… more
    Nestle (10/16/25)
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  • Senior Process Engineer - Specialty…

    Burns & McDonnell (St. Louis, MO)
    …and are looking for a new culture, we'd welcome you with open arms. The Senior Process Engineer will lead mechanical design project teams to create ... a specialty chemical and consumer product related processes. The Senior Process Engineer will lead the project...that are set forth by the owner company for mechanical systems . + This typically includes creation… more
    Burns & McDonnell (12/22/25)
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  • Lead Hardware Systems Engineer…

    The Boeing Company (Berkeley, MO)
    …future with us. The Boeing Defense, Space & Security (BDS) team is seeking a ** Lead Hardware Systems Engineer - Fighters Mission Systems ** located in ... **Berkeley, MO.** **Who We Are:** The Fighter Mission Systems Navigation, Data Link, and Displays Hardware Team works...their operational goals. **What You Bring:** + Ability to lead the engineering design, development, and analysis of commodities… more
    The Boeing Company (12/14/25)
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  • Material & Process Engineer (Associate, Mid Level,…

    The Boeing Company (Berkeley, MO)
    …(BTI) is seeking a **Materials & Process Engineer** **(Associate, Mid Level or Senior )** - **Composites Materials, Process, & Physics Engineer (MP&P)** to join our ... accelerate adoption by BDS programs. This experienced engineer will lead material selection, process development, characterization, and troubleshooting of polymer… more
    The Boeing Company (12/20/25)
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  • Senior Data Scientist

    Copeland (St. Louis, MO)
    …an impact. Join our team and start your journey today! **As a Senior Data Scientist, you will:** + Implement solutions to solve sophisticated engineering problems ... analytics with data scientist peers + Discover opportunities to improve systems , processes and enterprises through data analytics and automation + Generate… more
    Copeland (10/11/25)
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  • Senior Fleet Technician

    Spire Energy (Shrewsbury, MO)
    Senior Fleet Technician Date: Dec 11, 2025 Location: Shrewsbury, MO, US, 63119 Company: Spire Inc. Summary The Senior Fleet Technician will independently perform ... preventative maintenance (PM) and repair mechanical , hydraulic, and electrical components on a wide range...of both Unleaded & Diesel internal combustion engines, hydraulic systems , air systems , computer & electrical … more
    Spire Energy (12/12/25)
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  • Senior Engineer - Physical Substation

    CDM Smith (St. Louis, MO)
    **42785BR** **Requisition ID:** 42785BR **Business Unit:** IND **Job Description:** As a Senior Substation Engineer - Physical, you'll lead the design and ... in a collaborative environment. Job Description: Electrical Engineer - Physical Lead the design and execution of EHV substation projects, including physical… more
    CDM Smith (09/27/25)
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  • Facilities Electrical Engineer (Experienced…

    The Boeing Company (Hazelwood, MO)
    …is hiring for a broad range of experience levels including Experienced or Senior Specialists. This role involves working within a dynamic facilities environment that ... candidate will have demonstrated experience in high, medium, and low voltage systems , with a strong focus on maintaining and upgrading aging infrastructure within… more
    The Boeing Company (11/07/25)
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