Apply on Employer Site

Marathon Petroleum Corporation · 1 week ago

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

Detroit, MI

Internship

Onsite

Intern

$32.31/hr - $40.89/hr

Start in 2026 Fall

Marathon Petroleum Corporation is committed to fostering a collaborative team environment and developing its employees. The role of a Mechanical Engineer intern involves gaining knowledge of refinery operations and project management skills while working alongside professionals in various engineering disciplines.

EnergyNatural ResourcesOil and Gas

No H1B

Responsibilities

As a Mechanical Engineer at a Marathon refinery, you can expect to 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

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

MPC will provide training and educational opportunities to help you develop your knowledge of other engineering disciplines

We are committed to developing engineers into professional project managers who can successfully manage projects of all sizes

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