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Intern​/Co-op - Refining Mechanical Engineer; Fall

Job in Texas City, Galveston County, Texas, 77592, USA
Listing for: Marathon Petroleum Corporation
Full Time, Apprenticeship/Internship position
Listed on 2026-06-05
Job specializations:
  • Engineering
    Mechanical Engineer
Salary/Wage Range or Industry Benchmark: 32.31 - 40.89 USD Hourly USD 32.31 40.89 HOUR
Job Description & How to Apply Below
Position: Intern/Co-op - Refining Mechanical Engineer (Fall 2026)

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. As 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 gain knowledge of various aspects of a refinery by working with a team of professionals who run a specific portion of the refining process. Mechanical engineers will often work on more than one area of the refinery, leading to a broad understanding of plant operations, and will expand written and verbal presentation skills in a professional environment.

Typical Positions
  • Area Refining Engineer / Project Engineer – develop and use project management skills to create scopes, estimates, and schedules. As project manager, oversee design effort and assist in construction. Training and educational opportunities help you develop knowledge across engineering disciplines, aiming to become a professional project manager.
  • Reliability Engineer – 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, troubleshooting fixed equipment, and continuously finding new technologies in design, materials, and repair methods to achieve refinery goals of longer running times at lower costs.
Qualifications
  • Candidates must be majoring in Mechanical Engineering.
  • Strong academic performance.
  • 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 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.
  • Pay: $32.31 – $40.89 per hour.

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 or 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, please refer to the company’s EEO policy.

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.

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