Internships › Mechanical Engineering › Pennsylvania

Mechanical Engineering internships in Pennsylvania

37 open student roles in mechanical engineering in Pennsylvania, from internships to co-ops and research. That includes 16 co-ops. 10% list pay or say they are paid. The most common start terms are Summer 2027 and Spring 2027. Employers with the most openings: AeroVironment, Oshkosh, Philips, Marathon Petroleum and Merck.

• Michael Baker International New
  Mechanical Engineering Intern
  Moon Township, PA +5
  Open posting
• Oshkosh
  Advanced Manufacturing Intern
  McConnellsburg, Pennsylvania, United States +1
  Open posting
• Philips New
  Co-op – Mechanical/Process Engineer – Reedsville, PA – 2027
  Reedsville, Pennsylvania, United States · co-op
  Open posting
• Marathon Petroleum
  Intern/Co-op - Midstream Natural Gas and NGL Services Chemical/Mechanical/Civil/Petroleum/Electrical Engineering (Fall 2027)
  Canonsburg, Pennsylvania +12 · Fall 2027 · co-op · $33.54 per hour
  Open posting
• Marathon Petroleum
  Intern/Co-op - Midstream Natural Gas and NGL Services Chemical/Mechanical/Civil/Petroleum/Electrical Engineering (Summer 2027)
  Canonsburg, Pennsylvania +12 · Summer 2027 · co-op · $33.54 per hour
  Open posting
• Marathon Petroleum
  Intern/Co-op - Midstream Natural Gas and NGL Services Chemical/Mechanical/Civil/Petroleum/Electrical Engineering (Spring 2027)
  Canonsburg, Pennsylvania +12 · Spring 2027 · co-op · $33.54 per hour
  Open posting
• Philips New
  Co-op-Manufacturing Engineering-Reedsville, PA, July - December 2027
  Reedsville, Pennsylvania, United States · co-op
  Open posting
• Merck New
  2027 Future Talent Program - Manufacturing Strategy, Business Development and Alliances (MSBDA) Intern
  USA - Pennsylvania - West Point +1
  Open posting
• Oshkosh
  Manufacturing Engineering Intern
  Bedford, Pennsylvania, United States +3
  Open posting
• Graco
  Mechanical Engineering Intern
  Erie, Pennsylvania, USA +3
  Open posting
• GHD New
  Mechanical Process Drafter Intern
  HARRISBURG, PA
  Open posting
• Merck
  2027 Future Talent Program – Manufacturing Science and Technology Intern
  USA - Pennsylvania - West Point +1 · Summer 2027 · Paid
  Open posting
• Merck
  2027 Future Talent Program – West Point Vaccine Manufacturing Intern
  USA - Pennsylvania - West Point
  Open posting
• Oshkosh
  Manufacturing Engineer Intern
  Shippensburg, Pennsylvania, United States +1
  Open posting
• Oshkosh
  Manufacturing Safety Intern
  Bedford, Pennsylvania, United States
  Open posting
• AeroVironment
  Mechanical Engineering Intern
  Pottstown, PA
  Open posting
• Graco
  Manufacturing Engineering Intern
  Erie, Pennsylvania, USA +1
  Open posting
• Arconic
  Mechanical Engineering Intern
  Lancaster, PA
  Open posting
• Philips
  Co-op - Manufacturing Engineering - Murrysville, PA - January-June 2027
  Murrysville, Pennsylvania, United States · co-op
  Open posting
• AeroVironment
  Summer 2027 Aeromechanical Engineering Intern
  Pottstown, PA +17 · Summer 2027
  Open posting
• Philips
  Co-op-Manufacturing Engineering - Reedsville, PA-January-June 2027
  Reedsville, Pennsylvania, United States · co-op
  Open posting
• Textron
  2027 Intern - Manufacturing Engineer (Lycoming) - Williamsport, PA
  Williamsport, Pennsylvania
  Open posting
• Textron
  2027 Intern - Mechanical Engineering (Lycoming) - Williamsport, PA
  Williamsport, Pennsylvania
  Open posting
• AeroVironment
  Summer 2027 Manufacturing Engineering Intern
  Pottstown, PA +13 · Summer 2027
  Open posting
• AeroVironment
  Summer 2027 Mechanical Engineering Intern
  Pottstown, PA +15 · Summer 2027
  Open posting
• Eaton
  Mechanical Engineer Internship / Co-op
  Coraopolis, PA · co-op
  Open posting
• Air Products
  Summer Intern/Co-op-Mechanical Engineering (2027)
  Allentown, Pennsylvania · Summer 2027 · co-op
  Open posting
• Atoms
  Mechanical Design Engineering Intern‬
  Pittsburgh, PA
  Open posting
• MSA Safety
  Co-op: Mechanical Engineer, New Product Development (Spring 2027)
  Cranberry Township, Pennsylvania · Spring 2027 · co-op
  Open posting
• MSA Safety
  Co-op: Mechanical Engineer, New Product Development (Summer 2027)
  Cranberry Township, Pennsylvania · Summer 2027 · co-op
  Open posting
• Phoenix Contact
  Manufacturing Co-Op - High School Students
  Middletown, Pennsylvania · co-op
  Open posting
• General Dynamics Mission Systems, Inc. New
  Mechanical Engineering Intern
  Canonsburg, PA
  Open posting
• Heidelberg Materials
  Mechanical Engineering Intern
  Nazareth, PA
  Open posting
• GSK
  Winter Co-op/Manufacturing Science and Technology
  Upper Merion PA/Onsite · Winter · co-op
  Open posting
• Aerotech
  Mechanical Engineering Internship or Co-op 2027
  Pittsburgh, PA · co-op
  Open posting
• Framatome
  Intern - Univ/Co-Op Technical (Co-Op Electrical/Mechanical Engineer)
  Cranberry Township, PA · co-op
  Open posting
• Aerotech
  Co-Op Machinist Trainee at Aerotech
  Pittsburgh, PA · co-op
  Open posting

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Updated September 26, 2026. Listings are collected from public job boards several times a day; always check the posting on the employer's site before applying.