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Company Name: Marathon Petroleum Company LP  
Driver's License Required: Yes
Employee Group: Intern/Co-op
Employee Subgroup: Hourly Non-Exempt



Marathon Petroleum Corp. (MPC) offers internship and co-op opportunities to high-performing college students who want meaningful hands-on experiences in their fields of study. The following core values guide MPC’s approach to doing business: health and safety; environmental stewardship; integrity; corporate citizenship; and diversity and inclusion. Interns and co-ops work side by side with experienced professionals as contributing members of diverse work teams who create value for the company’s shareholders. MPC believes that how we conduct our business is just as important as the bottom line.



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.



  • Candidates must be majoring in Mechanical Engineering.
  • Minimum 3.0 cumulative GPA 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
  • Military experience a plus


We hire for the following locations:

  • Anacortes, WA;Canton, OH; Catlettsburg, KY; Cincinnati, OH; Detroit, MI; Dickinson, ND; El Paso, TX; Findlay, OH; Gallup, NM; Galveston Bay, TX; Garyville, LA; Kenai, AK; Los Angeles, CA; Mandan, ND; Martinez, CA; Robinson, IL; Salt Lake City, UT; St. Paul Park, MN 



About Marathon Petroleum Corporation



Marathon Petroleum Corporation (NYSE: MPC) is a large-scale geographically-diversified and highly -integrated refining, marketing and midstream company. MPC is the nation's largest refiner, with a crude oil refining capacity of more than 3 million barrels per calendar day in its 16-refinery system. MPC's high-quality, nationwide retail and marketing business includes approximately 3,900 company-owned and -operated stores and 7,800 branded locations. MPC owns the general partners of MPLX LP and Andeavor Logistics LP, two strong, customer-focused midstream master limited partnerships.


Job Function: InternCoop

Travel Expected: Up to 25%


If you have visited our site in search of information on U.S. employment opportunities and require an accommodation to submit your application, please contact the MPC EEO/Compliance Office at 866-492-7802. Note that we only accept resumes and applications for posted positions.

Marathon Petroleum Company LP (“MPC”) is an equal employment opportunity employer.  All applicants will be considered without regard to their race, color, religion, sex, age, disability, national origin, sexual orientation, genetic information, gender identity, veteran status or other legally protected status.

Job Segment: Intern, Engineer, Construction, Mechanical Engineer, Entry Level Engineer, Entry Level, Engineering

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