Intern/Co-op - Refining Mechanical Engineer
Listed on 2026-05-31
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Engineering
Mechanical Engineer, Process Engineer
An exciting career awaits you. At MPC, we’re committed to being a great place to work – one that welcomes new ideas, encourages diverse perspectives, develops our people, and fosters a collaborative team environment.
ResponsibilitiesAs a Mechanical Engineer at a Marathon refinery, you will become familiar with industry codes 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 professionals who run a specific portion of the refining process and may work on more than one area of the refinery, leading to a broad understanding of plant operations.
You will also expand your written and verbal presentation skills in a professional work environment.
The majority of Mechanical Engineering co‑ops and interns enter into the following positions:
- Area Refining Engineer/Project Engineers – develop and use project management skills to create project scopes, estimates, and schedules. Once a project is approved, you will oversee the design effort and assist in the construction process. MPC provides training and educational opportunities to help you develop knowledge of other engineering disciplines.
- Reliability Engineers – support the refinery’s Maintenance Department through design and development of equipment‑related improvements. Responsibilities include root cause failure analysis, optimization of maintenance programs in rotating equipment, and troubleshooting fixed equipment such as refinery pressure vessels, heat exchangers, and piping systems. You will also be challenged to find new technology in design, materials, and repair methods to achieve refinery goals of longer running times at lower costs.
- Candidates must be majoring in Mechanical Engineering or Civil Engineering.
- Strong academic performance.
- Candidates must be authorized to work in the U.S. on a full‑time indefinite basis without the need for employment visa sponsorship now or in the future.
- Positions are 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.
- MIN – $32.92 per hour / MAX – $41.67 per hour.
Visit to explore our benefits program.
Location:
Findlay, Ohio
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 decision‑making, age, mental or physical disability, medical condition or AIDS/HIV status, ancestry, national origin, genetic information, military, veteran status, marital status, citizenship or any other status protected by applicable federal, state, or local laws.
If you would like more information about your EEO rights as an applicant, .
If you need a reasonable accommodation for any part of the application process at Marathon Petroleum LP, please contact our Human Resources Department at talentacqu Please specify the reasonable accommodation you are requesting, along with the job posting number in which you may be interested. A Human Resources representative will review your request and contact you to discuss a reasonable accommodation.
Marathon Petroleum offers a total rewards program which includes, but is not limited to, access to health, vision, and dental insurance, paid time off, 401k matching program, paid parental leave, and educational reimbursement. Detailed benefit information is available at The hired candidate will also be eligible for a discretionary company-sponsored annual bonus program.
Equal Opportunity
Employer:
Veteran / Disability
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