Intern/Co-op - Commercial Marine Operator (Summer 2027)

Marathon Petroleum Corporation•San Antonio, TX

9d•Onsite

About The Position

Marathon Petroleum Corporation (MPC) offers internship and co-op opportunities to high-performing college students seeking hands-on experience. The Global Marine organization is hiring a Commercial Marine Operator Intern to support domestic and international waterborne logistics and vessel and cargo operations. Interns work alongside experienced professionals as contributing members of diverse teams, with a focus on safety and environmental stewardship, integrity, inclusion, collaboration, and excellence. The intern will support real-time voyages for Marathon time-chartered vessels, assisting with day-to-day operations and logistics for waterborne cargoes. The experience combines job shadowing, hands-on voyage management work, and a focused project intended to create value for the team. The intern reports to the Commercial Marine Operations Manager and works with a dedicated mentor. The role is based onsite in San Antonio, Texas, and requires availability to work 40 hours per week. The hourly pay range is $25.60–$29.87. The hired candidate is also eligible for a discretionary company-sponsored annual bonus program. MPC’s total rewards program includes access to health, vision, and dental insurance, paid time off, 401(k) matching, paid parental leave, and educational reimbursement.

Requirements

Be pursuing a Bachelor's degree in Maritime Transportation, Marine Engineering Technology, or Maritime Business Administration.
Remain concurrently enrolled in a bachelor's degree-seeking program for the duration of the experience.
Have strong academic performance.
Be authorized to work in the United States without employer sponsorship now or in the future.
Be available to work onsite 40 hours per week.
Have a valid driver's license for work-related travel.
Provide reliable transportation to and from the workplace.

Responsibilities

Support real-time voyages for Marathon time-chartered vessels and help manage daily operations and logistics for waterborne cargoes.
Coordinate with Captains, Brokers, Chartering, Trading, Scheduling, Agents, Tug providers, Bunker Vendors, and Terminals to keep ships and cargoes on track.
Gain exposure to Marine Vetting, Port Management, and the commercial aspects of the Global Marine business.
Participate in job shadowing, hands-on voyage management work, and a focused project that drives value for the team.