4
mechanical engineer internships in Mandan, ND
Intern/Co-op - Refining Mechanical Engineer (Summer 2026)
Marathon Petroleum Corporation - Mandan, ND
Intern/Co-op - Refining Mechanical Engineer (Fall 2026)
Marathon Petroleum Corporation - Mandan, ND
Refining Engineer 1 - Mechanical Engineer - Intern to Full-Time Conversion
Marathon Petroleum Corporation - Mandan, ND
Intern/Co-op - Refining Mechanical Engineer Spring 2026
Marathon Petroleum Corporation - Mandan, ND
