• 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 (12/25/25)
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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 (12/25/25)
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  • Associate, Senior Mechanical

    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
    TYLin (12/11/25)
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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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  • 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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  • 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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  • 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 (12/25/25)
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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 (12/27/25)
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  • Senior Manager, Manufacturing Engineering…

    ThermoFisher Scientific (St. Louis, MO)
    …all Good Manufacturing Practices (GMP) Safety Standards, Office **Job Description** ** Senior Manager, Manufacturing Engineering & Maintenance - On Site Lenexa, ... a team that impacts lives every day! **Discover Impactful Work** The Senior Manager, Manufacturing Engineering will provide strategic and operational leadership for… more
    ThermoFisher Scientific (12/21/25)
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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 (12/25/25)
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  • Senior Test Engineer

    Leonardo DRS, Inc. (Bridgeton, MO)
    …running Top Workplace in the Greater St. Louis area. **Job Summary** Leonardo DRS Land Systems is seeking a Senior Test Engineer with expertise in the design, ... + Design, develop, analyze, document and support testing of products, systems , or subsystems (with electrical, mechanical , hydraulic, and/or software… more
    Leonardo DRS, Inc. (11/01/25)
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  • Tactical RF Sensor Engineer (Mid-Level…

    The Boeing Company (Berkeley, MO)
    …Space & Security (BDS)** , is seeking a **Tactical** **RF Sensors Engineer (Mid-Level or Senior )** to be the lead for a team of engineers, in **Berkeley, MO** ... developing and integrating complex, highly integrated, radio frequency (RF) sensor systems . Your work will include both enhancing existing architectures, with the… more
    The Boeing Company (12/25/25)
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  • Associate, Senior Electrical Designer

    TYLin (St. Louis, MO)
    …world's leading clients and partners. **Job Summary** Introba is seeking an Associate, Senior Electrical Designer. This person will lead with their technical ... the planet. We transform the built environment by creating dynamic solutions - living systems - that are smart, resilient, and connected. At Introba, this is why we… more
    TYLin (10/15/25)
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  • Senior Associate, Senior Project…

    TYLin (St. Louis, MO)
    …for our St. Louis office. The ideal person will be able to lead and manage multi-discipline ( Mechanical , Electrical, Plumbing, and Fire Protection) projects ... the planet. We transform the built environment by creating dynamic solutions - living systems - that are smart, resilient, and connected. At Introba, this is why we… more
    TYLin (12/30/25)
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  • Senior Energy Storage Engineer - Power…

    Burns & McDonnell (St. Louis, MO)
    …to manage a wide variety of storage technologies including lithium-ion, flow, and mechanical storage systems . The company provides every essential service in the ... transition to renewables. Burns & McDonnell is searching for well-rounded and driven senior level Electrical Engineers with a focus on Energy Storage. This unique… more
    Burns & McDonnell (01/04/26)
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  • Phantom Works Proprietary Structural Design…

    The Boeing Company (Berkeley, MO)
    …us. Boeing Defense, Space & Security (BDS) is hiring **Experienced and Senior Structural Design Engineers** for advanced aircraft development programs located in ... **Berkeley, MO.** BDS Proprietary programs, develop complex, highly integrated, advanced systems , enabling future growth for Boeing and our Department of Defense… more
    The Boeing Company (12/25/25)
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