• JE Dunn Construction Company (St. Louis, MO)
    design information using automated M/E estimating system. + Assists in the review of mechanical and electrical options as part of the preconstruction process ... activities. + Develops budgetary M/E estimates, based upon program and schematic design information. + Reviews mechanical and electrical options, completes… more
    DirectEmployers Association (10/22/25)
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  • Experienced Mechanical Design

    The Boeing Company (Hazelwood, MO)
    …skill to work building the future! #TheFutureIsBuiltHere #ChangeTheWorld BGS is seeking an ** Experienced Mechanical Design Review Engineer** within ... impossible possible and enabling the future of aerospace. We provide engineering design and support, including aftermarket modifications, and are innovating to make… more
    The Boeing Company (01/09/26)
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  • Associate Principal, Mechanical , Data…

    TYLin (St. Louis, MO)
    …junior engineers. + Lead engineering design analysis, provide guidance, supervision, review and validation of mechanical drawing and drafting packages. + ... facilities up to 1.5GW campuses. Delivering the entire product lifecycle, ushering mechanical design solutions from analysis to implementation. The role requires… more
    TYLin (11/12/25)
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  • Lead Mechanical Engineer - Power (Multiple…

    Burns & McDonnell (St. Louis, MO)
    …members. + Regularly meets and corresponds with clients or outside personnel. + Lead mechanical design projects related to natural gas and coal fired generation ... Engineer to join the Power global practice. This position is responsible for the design and evaluation of mechanical systems associated with coal and natural gas… more
    Burns & McDonnell (01/06/26)
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  • Mechanical Construction Manager - (Data…

    Jacobs (St. Louis, MO)
    …state-of-the-art facilities that are changing our world. We're looking for an experienced and collaborative Mechanical Construction Manager to support our data ... - so we can make big impacts on the world, together. As a Mechanical Construction Manager, your duties will include the following: * Conduct project meetings with… more
    Jacobs (11/24/25)
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  • Intern/Co-op - Midstream Logistics and Storage…

    Marathon Petroleum Corporation (Wood River, IL)
    …integrity; inclusion; collaboration; and excellence. Interns/co-ops work side-by-side with experienced professionals as contributing members of diverse work teams ... components: Logistics & Storage Engineering (L&SE) - L&SE provides engineering design and project management services to Terminals, MPL, and Marine. Terminals… more
    Marathon Petroleum Corporation (12/06/25)
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  • Facilities Electrical Engineer…

    The Boeing Company (Hazelwood, MO)
    …and standards (eg, NEC, NFPA 70E, local building codes) + Proficiency in design review , cost estimation, and construction project oversight + Experience working ... lifecycle of complex electrical and multi-discipline facility projects-from concept through design , permitting, construction, and close-out + Review and approve… more
    The Boeing Company (12/25/25)
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  • Flight Test Instrumentation Operation Engineer…

    The Boeing Company (Berkeley, MO)
    …be responsible for leading teams to develop and operate flight instrumentation electro/ mechanical design solutions of varying complexity in support of flight ... hiring for a broad range of experience levels including Associate, Experienced and Senior Level Flight Test Instrumentation Operations Engineers. **Position… more
    The Boeing Company (01/07/26)
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  • HVAC Design Energy Analysis Modeling

    CDM Smith (St. Louis, MO)
    …federal regulations and best practices. Engaging with existing and potential clients to review their current and future design needs. - Attending conferences, ... This role offers a unique opportunity to contribute to HVAC and plumbing design while also developing detailed energy models and conducting energy audits for large… more
    CDM Smith (10/31/25)
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  • Senior Process Engineer - Specialty Chemical…

    Burns & McDonnell (St. Louis, MO)
    …culture, we'd welcome you with open arms. The Senior Process Engineer will lead mechanical design project teams to create world class designs for new projects, ... **Description** Burns & McDonnell is looking for an experienced Senior Process or Mechanical engineer...and their customers. This EO will help craft the design approach on chemically based production systems for our… more
    Burns & McDonnell (12/22/25)
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  • Principal Logistics Engineer - Defense Product…

    Leonardo DRS, Inc. (Bridgeton, MO)
    …The Leonardo DRS Land Systems business is a recognized leader in the design and integration of complex technologies into new and legacy systems and platforms ... a Logistics Engineer level IV for our Bridgeton, MO facility who is experienced in DoD Acquisition Logistics with focus on sustainment, maintenance and improving… more
    Leonardo DRS, Inc. (12/16/25)
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  • Senior Engineer - Physical Substation

    CDM Smith (St. Louis, MO)
    …Description:** As a Senior Substation Engineer - Physical, you'll lead the design and execution of extra high voltage (EHV) substations (230kV-765kV), ensuring safe, ... based out of one of CDM Smith's offices, blends hands-on technical design with project leadership, client engagement, and mentorship of junior engineers. You'll… more
    CDM Smith (12/27/25)
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  • Civil Engineer 5 - Industrial

    CDM Smith (St. Louis, MO)
    …regulations and best practices. Meet with current and potential future clients to review their current and future design needs. - Attend conferences, symposia, ... difference in the world. CDM Smith's Industrial team is seeking an experienced Civil Engineer with a strong background in underground utilities, site grading,… more
    CDM Smith (01/15/26)
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  • Electrical Engineer III

    Service Source (St. Louis, MO)
    …functions. These duties and responsibilities will be rated on the Annual Performance Review : + Define and execute capital projects for facility repair and upgrades ... operations. Prepare maintenance, repair, construction technical drawings, specifications of mechanical /electrical systems, facility diagrams, or topographical maps to ensure… more
    Service Source (12/22/25)
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  • Management Associate - Maintenance

    United States Steel (Granite City, IL)
    …our operations. U. S. Steel has an opening for a Management Associate - Mechanical Maintenance at our Granite City Works facility. Training consists of classroom and ... unionized environment + Supervise, direct, and coordinate the efforts of experienced technicians to keep the production operations running at maximum efficiency… more
    United States Steel (12/12/25)
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  • Materials and Process Engineer - Metallics

    The Boeing Company (Hazelwood, MO)
    …ideal candidate will be responsible for qualifying and implementing new standard mechanical parts such as fasteners, bushings/bearings, and fluid fittings onto our ... production aircraft programs and will have a mechanical or assembly engineering background. The selected candidate will join a high-performing, experienced team… more
    The Boeing Company (01/16/26)
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  • Estimating Professional (Data Centers)

    Jacobs (St. Louis, MO)
    …We'll lean on you to provide technical guidance and mentorship to less experienced design and estimating personnel. At Jacobs, we're partnering across the ... on project deliverables. We'll tap into your expertise to review and contribute to the interpretation of the request...to create the best project outcomes by maximizing the design , digital technology, and support capabilities of our Global… more
    Jacobs (10/20/25)
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