• TYLin (St. Louis, MO)
    …and feasibility reports + Represent Introba by attending meetings and presentations + Design and engineer HVAC systems for new installations, system retrofits, ... systems , data centers and critical facilities, energy modeling and cost benefit analysis , steam and hydronic distribution systems , building energy management … more
    DirectEmployers Association (12/11/25)
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  • JE Dunn Construction Company (St. Louis, MO)
    design information. + Reviews mechanical and electrical options, completes systems analysis , recommends best system for the project and provides value ... Senior Mechanical Engineer, Mission Critical, Traveler Location: Kansas City,...options as part of the preconstruction process and completes systems analysis for select projects. + Learns… more
    DirectEmployers Association (10/22/25)
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  • Mechanical Systems Design

    The Boeing Company (St. Charles, MO)
    …with us. The Boeing Test & Evaluation (BT&E) team is seeking a ** Mechanical Systems Design & Analysis Engineer** to join our team in **Saint Charles, ... 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… more
    The Boeing Company (12/15/25)
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  • Associate Principal, Mechanical , Data…

    TYLin (St. Louis, MO)
    …50MW facilities up to 1.5GW campuses. Delivering the entire product lifecycle, ushering mechanical design solutions from analysis to implementation. The role ... the mechanical engineer will engage in rigorous design and analysis processes using the most...Cooling Towers, Fluid Coolers, Pumps, Piping & Accessories and Systems + Produce calculations and functional design more
    TYLin (11/12/25)
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  • Senior Mechanical Engineer - Chiller…

    Leonardo DRS, Inc. (High Ridge, MO)
    …HVAC&R equipment for component sizing, selection, and performance predictions. May include Mechanical Analysis , Aerodynamics/Fluids, Thermal, Fluid Systems , ... manuals, and procedures * Support testing, qualification, documentation and analysis of prototypes, products, systems or subsystems....used in HVAC&R systems . * Engineering or design experience with mechanical equipment, assemblies and… more
    Leonardo DRS, Inc. (10/09/25)
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  • Mechanical Engineer II - Thermal…

    Leonardo DRS, Inc. (High Ridge, MO)
    …equipment, especially heat exchangers, air conditioning, refrigeration, and air handling systems + Support system design through flowsheet (P&ID) development ... analysis and component selection + Support testing, qualification, documentation and analysis of prototypes, products, systems or subsystems + Create… more
    Leonardo DRS, Inc. (10/08/25)
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  • Forensic Mechanical Engineer, PE

    EFI Global (St. Louis, MO)
    …or industrial ** mechanical systems , mechanical equipment, and mechanical component design and failure analysis ** . **This** r **emote ... investigations and failure analysis of commercial, residential, and industrial mechanical systems and** **components. Mechanical ** **failure analysis more
    EFI Global (12/10/25)
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  • Building Mechanical Engineer…

    Burns & McDonnell (St. Louis, MO)
    …domestic and international) to meet client expectations and project goals. + Support mechanical facility design from conceptual phase through design ... and consumer products facilities and the supporting office spaces. + Support mechanical facility design for project phase-specific deliverables, which include,… more
    Burns & McDonnell (11/04/25)
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  • Lead Mechanical Engineer - Power (Multiple…

    Burns & McDonnell (St. Louis, MO)
    … Engineer to join the Power global practice. This position is responsible for the design and evaluation of mechanical systems associated with coal and ... Engineer, you will be responsible for front-end planning/preliminary design /code analysis ; final design including...and corresponds with clients or outside personnel. + Lead mechanical design projects related to natural gas… more
    Burns & McDonnell (10/28/25)
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  • HVAC Design Energy Analysis Modeling

    CDM Smith (St. Louis, MO)
    …client needs. This includes HVAC master planning and studies, HVAC and plumbing systems , mechanical systems such as co-generation, and centralized energy ... junior staff. Reviews the work of more junior staff. **Job Title:** HVAC Design Energy Analysis Modeling **Group:** ISO **Employment Type:** Regular **Minimum… more
    CDM Smith (10/31/25)
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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 ... and supporting product testing, qualification, and production. **Job Responsibilities** * Design of mechanical equipment, especially heat exchangers, air… more
    Leonardo DRS, Inc. (10/08/25)
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  • Mid-Level Mechanical Engineer

    Sargent & Lundy (St. Louis, MO)
    …you will be involved in system engineering, including the design , modification, and analysis of power plant mechanical systems . + There is the potential ... you to travel to client and vendor offices for design reviews and to plant site locations for construction...more years of experience in the practical application of mechanical engineering and technology including applying systems ,… more
    Sargent & Lundy (10/14/25)
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  • Test Technician - St

    Hubbell Power Systems (St. Louis, MO)
    …development, check-out, modification, fabrication, and the assembly of new electrical and mechanical systems . The Test Technician will identify improvements to ... to ensure the quality and performance of electrical, electronic, and mechanical parts and materials. This position supports engineering activities by participating… more
    Hubbell Power Systems (12/17/25)
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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 ... The Principal Logistics Engineer provides Logistics insight during the design and development of equipment and systems ,...anticipate and meet these continual customer needs will cover analysis , data collection, LSA file design and… more
    Leonardo DRS, Inc. (12/16/25)
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  • Senior Process Engineer - Specialty Chemical…

    Burns & McDonnell (St. Louis, MO)
    … + Pressure relief sizing + Pipe stress analysis + Reactor/Vessel design and specifications + Continuous processing systems This job posting will remain ... with open arms. The Senior Process Engineer will lead mechanical design project teams to create world...that are set forth by the owner company for mechanical systems . + This typically includes creation… more
    Burns & McDonnell (09/22/25)
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  • Electrical Energy Engineer

    ENFRA (Creve Coeur, MO)
    …electrical systems while performing technical on-site surveys and in-office analysis on assigned projects. Analysis will include participation in technical ... Survey Team with necessary electrical infrastructure designs to support proposed mechanical equipment changes/upgrades. Can include design work involving… more
    ENFRA (11/26/25)
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  • Senior Test Engineer

    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 ... Systems is seeking a Senior Test Engineer with expertise in the design , development, analysis , documentation, and support of the testing of complex products,… more
    Leonardo DRS, Inc. (11/01/25)
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  • Product Engineer

    Legrand NA (St. Louis, MO)
    …as point-of contact for specific areas of expertise. + Drafting + Prepare design specifications , analysis , and recommendations for presentation and approval. + ... + Work closely with operations and manufacturing to investigate and research possible Design For Manufacturing (DFM) / Design For Assembly (DFA) and process… more
    Legrand NA (12/09/25)
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  • Senior Engineer - Physical Substation

    CDM Smith (St. Louis, MO)
    …both open-air and Gas Insulated Substations (GIS). Strong background in physical design and protection & control (P&C) systems for high-voltage substations. ... a Senior Substation Engineer - Physical, you'll lead the design and execution of extra high voltage (EHV) substations...this position **Skills and Abilities:** Strong foundation in transmission systems , grid stability, fault analysis , and load… more
    CDM Smith (09/27/25)
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  • Fire Protection Engineer

    CDM Smith (St. Louis, MO)
    …for work with federal projects, providing life safety, fire suppression and fire alarm analysis and design . - Reviewing draft designs to ensure compliance with ... storage tanks. - Experience with life safety requirements, building code analysis , passive fire protection systems , performance-based designs **EEO Statement:**… more
    CDM Smith (11/13/25)
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