Refining Chemical Engineering Intern/Co-op
Listed on 2026-05-31
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Engineering
Chemical Engineer, Process Engineer, Environmental Engineer, Manufacturing Engineer
Overview
An exciting career awaits you at Marathon Petroleum Corporation (MPC). MPC is committed to being a great place to work by welcoming new ideas, encouraging diverse perspectives, developing our people, and fostering a collaborative team environment.
ResponsibilitiesAs a Chemical Engineer at a Marathon refinery, you will 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 work with a team of professionals who run a specific portion of the refining process, often gaining experience in multiple areas of the refinery to develop a broad understanding of plant operations.
You will have the opportunity to expand your written and verbal presentation skills in a professional work environment.
- Develop and lead test runs to optimize refinery operations
- Perform process engineering calculations for various process technologies or equipment
- Monitor and make recommendations regarding catalysts and adsorbents
- Complete projects and provide recommendations for improvements to refinery process and equipment
- Help develop planning, blending, scheduling, and process models for refinery engineers
- Use models to optimize crude oil purchasing, refinery production, blending, finished product scheduling, and overall refinery production
- Validate production data and mass balancing
- Process modeling and development of graphical interfaces of refinery process units
- Work on projects that involve compliance of the entire refinery
- Apply engineering principles and calculations to environmental projects
- Perform process calculations for the Risk Management Plan, including physical surveys of refinery process units
- Work on projects within a Wastewater Treatment Plant
- Participate in inspections and testing conducted by federal, state, or local officials
- Work on projects related to tank farm operations and product handling
- Analyze refinery process flow data and compare to recommended optimum levels to identify equipment failures and capacity variances
- Update gasoline blend information and tank samples in preparation for an annual blender waiver audit
- Develop applications to better present process data for refinery operating decisions
- Must be majoring in Chemical Engineering
- Strong academic performance
- Authorized to work in the U.S. on a full‑time indefinite basis without needing visa sponsorship now or in the future
- Positions available for spring, summer, and fall semesters; availability for multiple work terms is preferred
- A valid driver’s license is required
- Concurrent enrollment in a degree‑seeking program
- Military experience is a plus
- Minimum hourly rate $33.54 – $42.45 maximum
- Health, vision, and dental insurance
- Paid time off
- 401(k) matching program
- Paid parental leave
- Educational reimbursement
- Company‑sponsored discretionary annual bonus program
- Learn more about Marathon Petroleum’s benefits at
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)
Marathon Petroleum Company LP is an Equal Opportunity Employer and gives consideration for employment to qualified applicants without discrimination on the basis of race, color, religion, creed, sex, gender, sexual orientation, gender identity, reproductive health, age, disability, medical condition, ancestry, national origin, genetic information, veteran status, marital status, citizenship, or any other status protected by applicable federal, state, or local laws.
For more information about your EEO rights as an applicant, please refer to the EEO statement file. For accommodations, contact talentacqu
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