Intern/Co-op - Refining Mechanical Engineer (Fall 2027)

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. 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 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, Mechanical 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.

Responsibilities

• Area Refining Engineer/Project Engineer
  • Develop and use project management skills to create project scopes, estimates, and schedules.
  • Oversee the design effort and assist in the construction process once a project is developed and approved.
  • MPC will provide training and educational opportunities to help you develop your knowledge of other engineering disciplines.
  • Become a professional project manager who can successfully manage projects of all sizes.
• Reliability Engineer
  • Support the refinery's Maintenance Department through design and development of equipment-related improvements.
  • Perform root cause failure analysis and optimization of maintenance programs in rotating equipment (pumps, compressors, etc.).
  • Troubleshoot fixed equipment such as refinery pressure vessels, heat exchangers, and piping systems.
  • Continuously seek new technology in design, materials, and repair methods to achieve refinery goals of longer running times at lower costs.

Qualifications

• Major in Mechanical Engineering.
• Strong academic performance.
• Authorization to work in the US on a full-time indefinite basis without the need for employment visa sponsorship now or in the future.
• Positions 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.
• Military experience is a plus.

Pay

MIN – $32.92 per hour / MAX – $41.67 per hour