Process Engineer Intern (Refinery)

    CHS Inc. logo

    CHS Inc.

    Creating connections to empower agriculture

    5,001-10,000 employeesMinnesota, 55077Farming
    Actively hiringPaidSummer 2026Farming
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    Best applied by Sep 23

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    About the role#

    CHS Inc. is hiring a Process Engineer Intern for our refinery in Laurel, Montana. You will work under the direction of senior engineering mentors to support the operation of a complex petroleum refinery. This is a full-time, paid summer 2026 internship.

    What you'll do#

    • Develop and maintain mass and energy balances around process units.
    • Troubleshoot, evaluate, and specify equipment related to heat transfer, separations, and fluid dynamics.
    • Scope and screen solutions to improve safety, reliability, product yield, and operability.
    • Assist with capital project development to implement identified solutions.
    • Maintain process safety information such as PFDs, P&IDs, and MOCs.
    • Participate in compliance with OSHA PSM standards and the site Mechanical Integrity Program.
    • Perform statistical analysis and basic calculations using laboratory and process data.

    What you'll need#

    • Completion of your Sophomore year in Chemical Engineering at an accredited program.
    • Cumulative GPA of 2.6 or better.
    • Strong analytical skills and a strong work ethic.
    • Proficiency in MS Office.
    • Strong written and verbal communication skills.
    • Completion of your Junior year and a 3.0 GPA are preferred.
    • Experience with PIPE-FLO, Aspen HYSIS, Visual Basic, or database programs is a plus.

    Location & details#

    • Location: Laurel, Montana.
    • Term: Summer 2026.
    • Modality: On-site.
    • Sponsorship: Not available.
    Relevant fieldsChemical Engineering

    About CHS Inc.

    CHS Inc. is a global agribusiness owned by farmers, ranchers, and cooperatives. The company operates in the energy, grain, and food sectors. It provides crop nutrients, livestock feed, and risk management services. Operations include petroleum refineries and the distribution of refined fuels and renewable energy products. The business maintains a workforce of nearly 10,000 employees.

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