• Intern/Co-op - Refining Mechanical Engineer

    Marathon Petroleum Corporation (Robinson, IL)
    …our people, and fosters a collaborative team environment. Responsibilities: As a Mechanical Engineer at a Marathon refinery, you can expect to become familiar with ... co-ops and interns enter into the following positions: Area Refining Engineer /Project Engineers develop and use project management skills to create project… more
    Marathon Petroleum Corporation (11/24/25)
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  • Planning & Optimization Engineer III/Senior…

    Marathon Petroleum Corporation (Robinson, IL)
    …Chain Optimization (VCO) is seeking a motivated and dynamic Planning & Optimization Engineer . The ideal candidate will have a keen interest in regional and refinery ... Bachelors (Required) Employee Group: Full time Employee Subgroup: Regular Marathon Petroleum Company LP is an Equal Opportunity Employer and gives consideration… more
    Marathon Petroleum Corporation (01/17/26)
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  • Planning & Optimization Engineer III/Senior…

    Marathon Petroleum Corporation (Robinson, IL)
    …Engineering (Required) Employee Group: Full time Employee Subgroup: Regular Marathon Petroleum Company LP is an Equal Opportunity Employer and gives consideration ... for any part of the application process at Marathon Petroleum LP, please contact our Human Resources Department at...Findlay, Ohio. The company operates the nation's largest refining system . MPC's marketing system includes branded locations… more
    Marathon Petroleum Corporation (01/06/26)
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  • Intern/Co-op - Refining Electrical Engineering…

    Marathon Petroleum Corporation (Robinson, IL)
    …our people, and fosters a collaborative team environment. Responsibilities: As an Electrical Engineer at a Marathon refinery, you can expect to become familiar with ... issues and run Arc Flash studies for the power system , as well as learning and understanding about how...and understanding about how our critical Refinery Safety Instrumented Systems (SIS) are applied. Process Control / Technical Service… more
    Marathon Petroleum Corporation (11/24/25)
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  • Refining Chemical Engineering Intern/Co-op Summer

    Marathon Petroleum Corporation (Robinson, IL)
    …our people, and fosters a collaborative team environment. Responsibilities: As a Chemical Engineer at a Marathon refinery, you can expect to become familiar with ... mentor that put your classroom experience as a Chemical Engineer into practice. The vast majority of our Chemical...- $32.92 - 41.67 MAX Learn more about Marathon Petroleum 's benefits at www.mympcbenefits.com As an energy industry leader,… more
    Marathon Petroleum Corporation (11/14/25)
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  • Senior Instrument Engineer

    ExxonMobil (Joliet, IL)
    …HIMA, Allen Bradley etc.) + Troubleshooting data connections from DCS/SIS/SCADA systems to instrument, analyzer and other subsystem/peer system networks ... you will play in our team** The Senior Instrumentation Engineer acts as a lead technical resource for site...to configure host networking parameters and network devices for system interconnection. Ability to troubleshoot networked systems .… more
    ExxonMobil (12/04/25)
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  • Senior Performance/Simulation/Application…

    Caterpillar, Inc. (Mossville, IL)
    …with design, simulation, test, and platform teams to analyze and optimize engine systems . The engineer in this role will also champion existing simulation ... we can all enjoy living in it. **About IPSD** Caterpillar's **Industrial Power Systems Division (IPSD)** designs, tests and manufactures 0.5 to 18L engines that not… more
    Caterpillar, Inc. (01/14/26)
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  • Field Engineer

    Vontier (Springfield, IL)
    …to provide a first-class customer experience? If so, come join the Gasboy Field Engineer Team as we continue to experience explosive growth in our Gasboy Business ... Reporting to the customer operations manager, the Gasboy Field Engineer will play a critical role in continuously improving...+ Preferred: 5 years or more of service in petroleum equipment with manufacturers certifications + Preferred: A+ and… more
    Vontier (12/11/25)
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  • Sr Engineer , Process, Wood River Refinery

    Phillips 66 (Roxana, IL)
    …we can fuel the future** **What to Expect** The **Sr** **Process Engineer ** uses technical expertise to achieve operational and project objectives by working ... By partnering with internal and external stakeholders, the Process Engineer collaborates to build technically sound strategies around business improvement… more
    Phillips 66 (01/01/26)
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  • Co-Op Engineer - Gas Storage Engineering

    WEC Energy Group (Fisher, IL)
    …a Bachelor's or Master's degree in Civil, Electrical, Mechanical, Chemical, Industrial, Systems Engineering & Design, and Petroleum Engineering or closely ... Co-Op Engineer - Gas Storage Engineering PGL, a subsidiary...and year-round opportunities to help design creative cost effective systems and equipment that keep the energy flowing to… more
    WEC Energy Group (01/16/26)
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