• Lead or Senior Mechanical Systems

    The Boeing Company (St. Charles, MO)
    …Space & Security (BDS) is hiring a **Lead** or **Senior Mechanical Systems Design & Analysis Engineer (Ordnance)** in **Saint Charles, Missouri.** ... maintenance or modification of system, component and installation designs/proposals to provide design documentation to downstream groups + Verify systems and… more
    The Boeing Company (12/25/25)
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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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  • 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. (01/07/26)
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  • Senior Mechanical Engineer, Mission…

    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
    JE Dunn Construction Company (10/22/25)
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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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  • 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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  • 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 (01/06/26)
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  • Design and Analysis Engineer…

    The Boeing Company (Berkeley, MO)
    …with us. **Boeing Defense, Space & Security** (BDS) is seeking a **Lead Ground Systems Analysis , Integration and Test Engineer** (Level 4) to support an **Air ... Step into a fast-paced, cutting-edge program where your expertise will drive the design , integration, and testing of advanced, cloud-based systems that empower… more
    The Boeing Company (01/05/26)
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  • Design and Analysis Engineer…

    The Boeing Company (Berkeley, MO)
    …Space & Security (BDS)** has an exciting opportunity for an **Electrical Design and Analysis Engineer (Experienced-Senior)** for the **Flight Simulation Labs ... - Hardware Interface Systems ** team located in **Berkeley, MO** . The Flight...training objectives for Boeing military aircraft. As an Electrical Design and Analysis Engineer (Experienced-Senior), you will… more
    The Boeing Company (12/25/25)
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  • Lead Design and Analysis Engineer

    The Boeing Company (Berkeley, MO)
    …and electrical system requirements on complex multi-tiered projects + Leads analysis and translation of complex requirements into system architecture, hardware and ... development and qualification, physical and functional integration and installation, design , and resolving supplier technical issues. **Basic Qualifications (Required… more
    The Boeing Company (12/25/25)
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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. (01/07/26)
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  • Associate, Senior Mechanical Engineer

    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
    TYLin (12/11/25)
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  • MP&P Engineer ( Mechanical

    The Boeing Company (Berkeley, MO)
    …Find your future with us. Boeing Defense & Space (BDS) is seeking a ** Mechanical /Structures/Assembly Engineer** (level 3 or 4) to join our team in the greater St. ... tools, equipment, materials, parts and processes used in the engineering design , manufacture and/or maintenance of Boeing products + Drafts engineering… more
    The Boeing Company (12/25/25)
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  • Lead Subsystems Structural Analysis

    The Boeing Company (Berkeley, MO)
    …into failures and analyzing improvements + Construct & review Environmental Control Systems (ECS) aircraft subsystem analysis + Construct & review Fuel, ... Security (BDS)** has an exciting opportunity for a **Lead Subsystems Structural Analysis ** **Engineer** to join our Air Dominance Team supporting Aircraft Subsystems… more
    The Boeing Company (12/25/25)
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  • Phantom Works Proprietary Structural…

    The Boeing Company (Berkeley, MO)
    …Phantom Works Division,** is hiring **Associate, Experienced, and** **Senior Structural Analysis Engineers** for advanced an aircraft development program located in ... **Berkeley, MO.** BDS Phantom Works 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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  • Associate System Design Engineer

    The Boeing Company (Berkeley, MO)
    …Engineer** in **Berkeley, MO** or **Richardson, TX** to join the **F-22 Raptor Mission Design and Analysis Team** with a focus on developing cutting edge ... the world's premier air fighter. As an Associate System Design Engineer, you will be responsible for developing engineering...capabilities as well as architecting and testing completely new systems . In this role, you will be joining a… more
    The Boeing Company (12/25/25)
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  • Phantom Works Mission Systems AIT Engineer

    The Boeing Company (Berkeley, MO)
    …growth. Find your future with us. The Boeing Company is seeking a **Mission Systems Analysis , Integration, & Test (AIT) Engineer** to join our **Phantom Works ... Model-Based Systems Engineering (MBSE) implementation of mission systems design artifacts, including requirements, verification/test procedures, interfaces,… more
    The Boeing Company (12/25/25)
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  • Lead Mission Systems Integration Engineer

    The Boeing Company (Berkeley, MO)
    …developing and integrating complex, highly integrated, Communications Systems , Navigation, and Core Systems . Your work will define how the design of Mission ... **Position Responsibilities** **(from HM or can be pulled from SJC):** + System of systems capability design and integration + Capability road mapping + Lead… more
    The Boeing Company (01/05/26)
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  • Experienced Avionics Hardware Engineer - Fighters…

    The Boeing Company (Berkeley, MO)
    …in ESIL and during Flight Test + Support Safety Critical Functional Thread Analysis efforts for the Mission Systems Hardware + Support airworthiness efforts ... Computers hardware for requirements development, avionics subsystem and system design , integration, subsystem/system/flight test, system verification, production/fielding, and supplier… more
    The Boeing Company (01/05/26)
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