Intern/Co-op - Refining Mechanical Engineer (Fall 2026)

Responsibilities

• Become familiar with industry codes and best practices.
• Build critical thinking skills.
• Gain an understanding of how all engineering disciplines work together as a cohesive team.
• Gain knowledge of various aspects of a refinery by working with a team of professionals.
• Expand written and verbal presentation skills in a professional work environment.
• Opportunity to work on more than one area of the refinery, leading to a broad understanding of how the plant operates.
• Enter into positions such as Area Refining Engineer/Project Engineers, developing and using project management skills, creating project scopes, estimates, and schedules.
• Assist in the design and construction process of projects once they are developed and approved.
• MPC provides training and educational opportunities to help develop knowledge of other engineering disciplines.
• Develop into professional project managers capable of managing projects of all sizes.

Qualifications

• Candidates must be majoring in Mechanical Engineering.
• Strong academic performance required.
• Candidates must be authorized to work in the US on a full-time indefinite basis without the need for employment visa sponsorship now or in the future.
• Positions are available 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 is preferred.
• Military experience a plus.

Pay

MIN - $32.31 per hour / MAX - $40.89 per hour

Benefits

Learn More About Marathon Petroleum’s Benefits at www.mympcbenefits.com

About the Role

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.

Schedule

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 developed and approved, you, as the project manager, will oversee the design effort and assist in the construction process.

Requirements

Reliability Engineers support the refinery's Maintenance Department through design and development of equipment related improvements. Such improvements include root cause failure analysis, optimization of maintenance programs in rotating equipment (pumps, compressors, etc.), and troubleshooting fixed equipment (refinery pressure vessels, heat exchangers, piping systems, etc.). Reliability Engineers will also be continuously challenged to find new technology in design, materials and repair methods to achieve refinery goals of longer running times at lower costs.

Company Information

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 (including pregnancy, childbirth, breastfeeding or related medical conditions), sexual orientation, gender identity, gender expression, 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, click here.

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 www.mympcbenefits.com.

The hired candidate will also be eligible for a discretionary company-sponsored annual bonus program.

Equal Opportunity Employer: Veteran / Disability

We will consider all qualified Applicants for employment, including those with arrest or conviction records, in a manner consistent with the requirements of applicable state and local laws.

In reviewing criminal history in connection with a conditional offer of employment, Marathon will consider the key responsibilities of the role.