An exciting career awaits you

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.

Overview:

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: safety and environmental stewardship; integrity; inclusion; collaboration; and excellence. 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.

MPC's Global Marine organization is offering a high-impact Commercial Marine Operator Intern role for students who want real responsibility in global vessel and cargo operations. You will join a team at the center of domestic and international waterborne logistics, helping move energy products safely and efficiently around the world.​

Responsibilities:

As part of the Commercial Marine Operations team, you will:

• Support real-time voyages for Marathon time-chartered vessels, helping manage day-to-day 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.​
• Split your time between job shadowing, hands-on voyage management work, and a focused project that drives value for the team.​

You will report to the Commercial Marine Operations Manager and work closely with a dedicated mentor committed to creating a positive, engaging, and educational experience.​

Skills Gained:

During this internship, you can expect to:

• Develop a strong understanding of commercial marine operations, shipping logistics, and how decisions impact real-world voyages.​
• Strengthen key professional skills such as verbal and written communication, prioritization, multi-tasking, analytics, problem solving, risk management, decision-making, and teamwork.

Qualifications:

• Candidates must be pursuing a Bachelor's degree in a Maritime-related field.
• Concurrent enrollment in a Bachelor's degree seeking program for the duration of the experience.
• Have Sophomore, Junior, or Senior status at the time of the internship (Summer 2026).​
• Strong academic performance.
• 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.
• Be able to work on-site in San Antonio, TX for the full Summer 2026 term (Monday–Friday, 8-hour days, 40 hours per week.).
• Be able to complete limited travel, up to one week of overnight travel during the internship; therefore, a valid driver's license is required.
• MIN - $24.38 per hour / MAX - $28.44 per hour

As an energy industry leader, our career opportunities fuel personal and professional growth.

Location:

San Antonio, Texas

Additional locations:

Job Requisition ID:

00020267

Location Address:

19100 Ridgewood Pkwy

Education:

Employee Group:

Full time

Employee Subgroup:

Intern

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 (including pregnancy, childbirth, breastfeeding or related medical conditions), sexual orientation, gender identity, gender expression, reproductive health decision-making, age, mental or physical disability, medical condition or AIDS/HIV status, ancestry, national origin, genetic information, military, 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, click here.

If you need a reasonable accommodation for any part of the application process at Marathon Petroleum LP, please contact our Human Resources Department at talentacquisitionmarathonpetroleum.com. Please specify the reasonable accommodation you are requesting, along with the job posting number in which you may be interested. A Human Resources representative will review your request and contact you to discuss a reasonable accommodation. Marathon Petroleum offers a total rewards program which includes, but is not limited to, access to health, vision, and dental insurance, paid time off, 401k matching program, paid parental leave, and educational reimbursement. Detailed benefit information is available at https://mympcbenefits.com.The hired candidate will also be eligible for a discretionary company-sponsored annual bonus program.

Equal Opportunity Employer: Veteran / Disability

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.