Refining Chemical Engineering Intern/Co

Job Title: Refining Chemical Engineering Intern/Co-op Spring 2027

About the Role

At Marathon Petroleum Corporation (MPC), we are committed to being a great place to work that welcomes new ideas, encourages diverse perspectives, develops our people, and fosters a collaborative team environment. As a Chemical Engineer at a Marathon refinery, you can expect to become familiar with process equipment fundamentals and best practices, build critical thinking skills, and gain an understanding of how all engineering disciplines work together as a cohesive team. You will also gain knowledge of various aspects of a refinery by working with a team of professionals who run a specific portion of the refining process. Most often, Chemical Engineers will have an opportunity to work on more than one area of the refinery, leading to a broad understanding of how the plant operates. Finally, you will have the opportunity to expand your written and verbal presentation skills in a professional work environment.

Potential Roles & Responsibilities

• Process / Technical Service Engineers:
• Work on a variety of projects in the Technical Services Department to put classroom experience into practice.
• Develop and lead test runs to optimize refinery operations.
• Perform process engineering calculations concerning various process technology or equipment.
• Monitor and make recommendations regarding catalyst and adsorbents.
• Complete projects and provide recommendations for improvements to refinery process and equipment.
• Operations Research Engineers:
• Help develop planning, blending, scheduling, and process models for refinery engineers to optimize crude oil purchasing, refinery production, blending and finished product scheduling, and optimization of refinery production.
• Validate production data and mass balancing.
• Perform process modeling.
• Develop graphical interfaces of refinery process units.
• Environmental Engineers:
• Work on projects involving the compliance of the entire refinery, exposing you to the majority of process units.
• Apply engineering principles and calculations to various environmental projects.
• Gain a broad knowledge of environmental laws applicable to refineries and what it takes to maintain compliance.
• Perform process calculations for the Risk Management Plan, including taking physical surveys of refinery process units.
• Work on various process engineering projects within a Wastewater Treatment Plant.
• Participate in inspections and/or testing conducted by federal, state, or local officials.
• Products Control / Economics Engineers:
• Work on a wide array of projects including operations, blending, and refinery economics.
• Gain an understanding of how a tank farm is operated and how gasoline and other products are prepared and shipped to customers.
• Gain exposure to the overall economics of the refinery and how operating decisions are made based on these economics.
• Analyze refinery process flow data and compare to recommended optimum levels to identify equipment failures causing variances in capacity from optimum levels.
• Update information on gasoline blends and tank samples in preparation for an annual blender waiver audit.
• Develop applications to better present process data for refinery operating decisions.

Requirements & Tech Stack

• Majoring in Chemical Engineering.
• Strong academic performance.
• Authorized to work in the US on a full-time indefinite basis without the need for employment visa sponsorship now or in the future.
• Availability for multiple work terms is preferred.
• A valid driver's license is required.
• Concurrent enrollment in a degree-seeking program.
• Military experience a plus.

General Information

• Pay Range: $33.54 - $42.45 Hourly
• Location: Findlay, Ohio
• Additional Locations: Anacortes, Washington; Canonsburg, Pennsylvania; Canton, Ohio; Catlettsburg, Kentucky; Detroit, Michigan; El Paso, Texas; Garyville, Louisiana; Kenai, Alaska; Mandan, North Dakota; Martinez, California; Robinson, Illinois; Salt Lake City, Utah; San Antonio, Texas; St Paul Park, Minnesota; Texas City, Texas; Wilmington, California.
• Positions Available: Spring, Summer, and Fall semesters.