• JE Dunn Construction Company (St. Louis, MO)
    Senior Mechanical Engineer , Mission Critical, Traveler Location: Kansas City, MO, US, 64106Cleveland, OH, USDallas, TX, US, 75254Mesa, AZ, USClarksville, TN, ... diverse team of industry professionals._ **Role Summary** The M/E Engineer 3 will complete increasingly complex mechanical ,... and electrical options as part of the preconstruction process and completes systems analysis for select projects. +… more
    DirectEmployers Association (10/22/25)
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  • Process Mechanical Engineer

    Jacobs (St. Louis, MO)
    …good, then Jacobs is where you belong. We are looking for a passionate and dedicated Process Mechanical Lead Engineer in Missouri. As part of our team, ... water and wastewater challenges locally and worldwide. As our Missouri Process Mechanical Lead Engineer , you'll be charged with planning, preliminary,… more
    Jacobs (10/24/25)
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  • Mechanical Engineer PE I

    ENFRA (St. Louis, MO)
    …you. If you have any questions, feel free to ask during the interview process ! **Overview** ** Mechanical Engineer PE I Responsibilities:** The Mechanical ... any other classification protected by law. Submit a Referral (https://careers-enfra.icims.com/jobs/6370/ mechanical - engineer -pe-i/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834357758) **Job Locations** _US-MO-St. Louis_ **ID** _2024-6370_… more
    ENFRA (10/24/25)
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  • Senior Process Engineer - Specialty…

    Burns & McDonnell (St. Louis, MO)
    **Description** Burns & McDonnell is looking for an experienced Senior Process or Mechanical engineer to help us Wow our clients in the Specialty Chemical ... looking for a new culture, we'd welcome you with open arms. The Senior Process Engineer will lead mechanical design project teams to create world class… more
    Burns & McDonnell (09/22/25)
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  • Mechanical Engineer 5(Industrial/…

    CDM Smith (St. Louis, MO)
    …the work of junior engineers on project work. **Job Title:** Mechanical Engineer 5(Industrial/ Process ) **Group:** IND **Certification/License Requirements:** ... EPC projects for industrial / petrochemical clients focused on process and utility piping, process mechanical...3D and 4D software and practices. Expert Knowledge of engineer principles of design. Expert Knowledge of Microsoft business… more
    CDM Smith (11/08/25)
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  • Building Mechanical Engineer

    Burns & McDonnell (St. Louis, MO)
    **Description** The staff mechanical engineer is responsible for supporting the discipline lead at a project level on simple to complex projects. Project work ... , corporate, industrial, manufacturing, government, and military facilities. The staff mechanical engineer coordinates with internal and external parties,… more
    Burns & McDonnell (11/04/25)
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  • Assistant Mechanical Engineer

    Burns & McDonnell (St. Louis, MO)
    **Description** The Assistant Mechanical Engineer will work under the supervision of a licensed professional engineer to assist project teams to create world ... airports, institutional, industrial, manufacturing, government and military facilities. The Assistant Mechanical Engineer will work with the project team… more
    Burns & McDonnell (09/15/25)
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  • Rotating Machinery Mechanical Design…

    GE Aerospace (St. Louis, MO)
    …team of the nation's best, regardless of where we live. The Rotating Machinery Mechanical Design Engineer is key in coordinating the resources and activities ... analysis and containment analysis. + Work closely with the Systems Engineer , performance engineers, aerodynamicists, structural engineers, and program team to ensure… more
    GE Aerospace (09/27/25)
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  • Lead Mechanical Engineer -- Energy…

    Sargent & Lundy (St. Louis, MO)
    …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 designers. ... assignments that include investigating, trouble-shooting, and solving a wide variety of mechanical engineering issues. + Act as the Mechanical team lead… more
    Sargent & Lundy (10/14/25)
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  • Senior Mechanical HVAC Engineer

    Jacobs (St. Louis, MO)
    …every market and every location. We're looking for an experienced, high-energy, HVAC Engineer to join our Building Mechanical team and help deliver innovative ... and selecting these systems, the development of Air Flow Diagrams (AFDs), Process and Instrumentation Diagrams (P&IDs), and general arrangements. * Development of… more
    Jacobs (10/17/25)
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  • Associate Principal, Mechanical , Data…

    TYLin (St. Louis, MO)
    …leading clients and partners. **Job Summary** We're looking for an experienced Senior Mechanical Engineer to join our organization, which prides itself on ... While serving as mentor to the production teams, the mechanical engineer will engage in rigorous design...and ensure quality are in line with the company mechanical engineering process . + Participate in scoping,… more
    TYLin (11/12/25)
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  • Mechanical Drafter *Entry Level

    Actalent (St. Louis, MO)
    Job Title: Mechanical Drafter Job Description We are seeking a talented Mechanical Drafter to join our engineering team. The successful candidate will follow ... high standards of accuracy and efficiency. This role requires a strong mechanical aptitude, excellent communication skills, and proficiency in AutoCAD and 3D design… more
    Actalent (11/11/25)
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  • Senior Manufacturing Engineer - Lean…

    Honeywell (St. Louis, MO)
    As a Sr Manufacturing Engineer here at Honeywell, you will lead initiatives to enhance manufacturing operations and drive process improvements within our ... work schedule. In this role, you will impact the overall manufacturing process by implementing innovative solutions that enhance productivity, reduce costs, and… more
    Honeywell (10/29/25)
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  • Mechanical Engineering Spring Co-Op

    Ameren (St. Louis, MO)
    …customers. This general posting will be used to collect applications for our **2025 Mechanical Engineer Spring Co-Op** openings across the states of Illinois and ... be made as soon as possible during the hiring process . If you are selected for an intern or...a current student pursuing a** **Bachelors** **or** **Masters in Mechanical Engineering** **from an accredited college or university required… more
    Ameren (11/13/25)
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  • Senior Application Engineer

    Eaton Corporation (St. Louis, MO)
    …job portability, etc. **Preferred Qualifications:** * Bachelor's degree in Electrical or Mechanical Engineering * A Professional Engineer (PE) License * ... American Sales division is currently seeking a Senior Application Engineer to join their team. Join a fast-growing, remote...assist you in your job search, application, or interview process , please call us at ### to discuss your… more
    Eaton Corporation (11/01/25)
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  • Building Engineer

    CBRE (St. Louis, MO)
    Building Engineer Job ID 238501 Posted 31-Oct-2025 Service line GWS Segment Role type Full-time Areas of Interest Engineering/Maintenance Location(s) Saint Louis - ... grow with a global leader in real estate services. As a CBRE Building Engineer , you will be involved in maintaining and repairing building systems including … more
    CBRE (11/01/25)
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  • Senior Industrial Services Engineer

    Nestle (St. Louis, MO)
    …innovation and reliability across industrial utility systems. As a Senior Industrial Services Engineer , you will lead engineering efforts across a broad spectrum of ... mechanical utilities with a specialized focus on industrial HVAC...law. Prior to the next step in the recruiting process , we welcome you to inform us confidentially if… more
    Nestle (10/16/25)
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  • Electrical Energy Engineer

    ENFRA (St. Louis, MO)
    …you. If you have any questions, feel free to ask during the interview process ! **Overview** The Electrical Energy Engineer for the Development Team is ... a change in our name. As part of this process , you may see references to both our current...plant expansion needs, and demand response programs. * Assists Mechanical Survey Team with necessary electrical infrastructure designs to… more
    ENFRA (10/03/25)
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  • HVAC Controls - Technical Services Engineer

    ENFRA (St. Louis, MO)
    …activities.The role provides technical authority in all phases of the commissioning (Cx) process and collaborates with the engineer of record in system ... pillars of our continued success. **Overview** The **Technical Services Engineer (TSE) I** is a technical expert who supports...in the field. Additionally the TSE supports standards and process development, as well as training and mentorship of… more
    ENFRA (11/07/25)
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  • Metrology Engineer

    Kelly Services (St. Louis, MO)
    Kelly Engineering is hiring for a **Metrology Engineer ** role with a renowned Medical Device company in the **St. Louis, MO** area. This Quality Engineer will ... considered*_** Responsibilities: + Develop, establish and qualify methodologies for mechanical inspection methods including creation of necessary inspection procedures.… more
    Kelly Services (09/30/25)
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