• Mechanical Designer

    Actalent (St. Louis, MO)
    Job Title: Mechanical Designer Job Description The HVAC Designer will be responsible for designing and producing a complete set of HVAC drawings for ... construction projects using AutoCAD. This role requires strong experience in HVAC design , proficiency in AutoCAD, and a thorough understanding of HVAC codes and… more
    Actalent (05/07/25)
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  • Senior Mechanical Engineer, Data Center…

    TYLin (St. Louis, MO)
    …facilities up to 1.5GW campuses. Delivering the entire product lifecycle, ushering mechanical design solutions from analysis to implementation. The role requires ... 15-20 years of Data Center Mechanical Design Engineering, Consulting and leadership experience with progressively increasing levels of responsibility delivering… more
    TYLin (05/14/25)
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  • Mechanical Engineer - Consumer Products…

    Burns & McDonnell (St. Louis, MO)
    **Description** The Mechanical Engineer - Packaging will work packaging design on project teams to create world class designs for new projects, alterations and ... a variety of projects including process, industrial, and manufacturing facilities. The Mechanical Engineer - Packaging will work in the project team throughout the… more
    Burns & McDonnell (03/25/25)
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  • Mechanical Engineer - Refrigeration…

    Burns & McDonnell (St. Louis, MO)
    …plans according to budget constraints, design factors or client needs. + Perform mechanical design of projects from the conceptual phase through design ... airports, educational institutions, commercial, and governmental and military facilities. + Design mechanical components for project needs and requirements that… more
    Burns & McDonnell (05/13/25)
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  • Lead Mechanical Engineer -- Energy…

    Sargent & Lundy (St. Louis, MO)
    …include, but are not limited to: + You will be responsible for leading the Mechanical Engineering design efforts for a team of junior and senior engineers and ... Mechanical team lead in the coordination of detailed design phases for all aspects of mechanical ...detailed design phases for all aspects of mechanical engineering work. + Develop integrated systems designs and… more
    Sargent & Lundy (04/17/25)
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  • Senior Mechanical Engineer- Mission…

    JE Dunn Construction Company (St. Louis, MO)
    …activities. + Develops budgetary M/E estimates, based upon program and schematic design information. + Reviews mechanical and electrical options, completes ... Senior Mechanical Engineer- Mission Critical, Traveler (AFG) Location: Kansas...develop budgetary M/E estimates, based upon program and schematic design information using automated M/E estimating system. + Assists… more
    JE Dunn Construction Company (05/09/25)
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  • Mechanical Engineer II

    Service Source (St. Louis, MO)
    …and act as Subject Matter Expert for engineering and equipment support. Define mechanical system design requirements for base operating support projects from ... Building Automation System (BAS) administration and operation, Computer Aided Design & Drafting (CADD), and Building Information Modeling/Management (BIM) efforts… more
    Service Source (04/28/25)
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  • Process Mechanical Engineer

    Jacobs (St. Louis, MO)
    …or college * Minimum of 7 years of experience in various aspects of process mechanical design of water and wastewater systems * Holds an active professional ... which is one of the most important roles on a design project. You'll oversee process mechanical teams and provide overall leadership to projects. This role will… more
    Jacobs (04/18/25)
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  • Mid-Level Mechanical Engineer

    Sargent & Lundy (St. Louis, MO)
    Mechanical Engineers, you will be involved in system engineering, including the design , modification, and analysis of power plant mechanical systems. + There ... is the potential for you to travel to client and vendor offices for design reviews and to plant site locations for construction coordination and field verification… more
    Sargent & Lundy (04/17/25)
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  • Sr. Mechanical Engineer - HVAC/Building…

    Farnsworth Group (Belleville, IL)
    Position: Sr. Mechanical Engineer - HVAC/Building Systems Location: Belleville, IL Job Id: 2333 # of Openings: 1 Join us and grow your career with a certified Great ... in making a positive impact through your work. Farnsworth Group is seeking a Sr. Mechanical Engineer of HVAC/Building Systems to be based out of one of our offices… more
    Farnsworth Group (03/04/25)
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  • Mechanical Engineer

    Ameren (St. Louis, MO)
    …to regular full-time employees. ​ **About The Position** The Mechanical (ME) Engineer performs engineering studies, designs, technical specification development, ... duties that may require long and/or non-standard work hours. The Mechanical Engineer will report to the Supervising Engineer. **Key responsibilities include:**… more
    Ameren (05/17/25)
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  • Senior Associate, Senior Mechanical

    TYLin (St. Louis, MO)
    …inspire change. To empower changemakers Introba provides world-class building engineering design , analytic, and consulting services at all scales, specializing in ... we deliver sustainable and forward-thinking solutions to the most complex design challenges facing the world's leading clients and partners. **Job Summary**… more
    TYLin (04/06/25)
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  • Mechanical Engineer

    ARCO (Richmond Heights, MO)
    …culture, and driving success at all levels of the business. We're looking for a Mechanical Engineer to join our team of construction experts in office at our St. ... reimbursement for associates **A DAY IN THE LIFE** + Provide preliminary design , develop detailed system plans, and specifications + Responsible for equipment… more
    ARCO (03/21/25)
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  • Civil or Mechanical Engineering Co-Op (May…

    Farnsworth Group (St. Louis, MO)
    …for this role: St. Louis, MO Job Activities: + Concept through final design of pipelines and related facilities + Mechanical integrity: in-line inspection, ... Position: Civil or Mechanical Engineering Co-Op (May - Dec 2025) Location:...your work. Farnsworth Group is seeking a Civil or Mechanical Engineering Co-Op for the Summer and Fall of… more
    Farnsworth Group (03/08/25)
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  • Civil or Mechanical Engineering Telecom…

    Farnsworth Group (St. Louis, MO)
    Position: Civil or Mechanical Engineering Telecom Co-Op (May - Dec 2025) Location: St. Louis, MO Job Id: 2541 # of Openings: 1 Join us and grow your career with a ... your work. Farnsworth Group is seeking a Civil or Mechanical Engineering Telecom Co-Op in our St. Louis, MO...and utility projects. Job Activities: + Conceptual through final design and record drawings of utility lines and related… more
    Farnsworth Group (04/10/25)
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  • Civil or Mechanical Engineer - Entry Level

    Farnsworth Group (St. Louis, MO)
    Position: Civil or Mechanical Engineer - Entry Level Location: St. Louis, MO Job Id: 2635 # of Openings: 1 Join us and grow your career with a certified Great Place ... positive impact through your work. Farnsworth Group is seeking an Entry-Level Civil or Mechanical Engineer in one of the below posting locations. In this role you… more
    Farnsworth Group (03/18/25)
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  • Regional Sales Manager - Caddy (HVAC, Plumbing,…

    nVent (St. Louis, MO)
    …YOU WILL EXPERIENCE IN THIS POSITION:** + Will lead existing CADDY HVAC, Mechanical , Plumbing, Fire, and Seismic businesses in the **Central Territory (MO, KS, IA, ... HAVE:** + Bachelor's Degree preferred, or applicable experience in mechanical sales + Ideally, 5+ years of outside sales...safer systems and ensure a more secure world. We design , manufacture, market, install and service high performance products… more
    nVent (05/08/25)
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  • Mechanical Engineer PE I

    ENFRA (St. Louis, MO)
    …have any questions, feel free to ask during the interview process! **Overview** ** Mechanical Engineer PE I Responsibilities:** The Mechanical Engineer PE I ... applies standard engineering techniques to design , analyze, test, maintain, repair, or improve products, components, or assemblies. **Responsibilities** **Specific… more
    ENFRA (04/26/25)
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  • Intern/Co-op - Logistics and Storage…

    Marathon Petroleum Corporation (Wood River, IL)
    …primary components: Logistics & Storage Support Services - L3S provides engineering design and project management services to Terminals, MPL, and Marine. Terminals - ... may include: + Development of project scope + Engineering oversight + Technical design + Cost estimating + Schedule development + Evaluating and summarizing bid sets… more
    Marathon Petroleum Corporation (04/08/25)
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  • Geothermal Energy Discipline Leader

    CDM Smith (St. Louis, MO)
    …software (ex. GLD, GHLEPro) - Expert knowledge of commercial building sciences, mechanical system design , conventional HVAC, heat pump technologies, building ... meet current and future needs. If you're a senior mechanical engineer with expertise in geothermal heating and cooling...both building level and district level geothermal planning and design and leveraging geothermal systems to help our clients… more
    CDM Smith (04/11/25)
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