10,000+ Summer Intern jobs in O'Fallon, MO
2025 Summer Intern - Manufacturing Welding Engineer
At General Motors - O'Fallon, MO + 1 location
Posted on Sep 23
2025 Summer Intern - Manufacturing Supply Chain
At General Motors - O'Fallon, MO + 7 locations
Posted on Sep 23
2025 Summer Intern - Manufacturing Paint Process Engineer
At General Motors - O'Fallon, MO + 3 locations
Posted on Sep 23
Technology Risk Management Intern, Summer 2025 - United States
At Mastercard - O'Fallon, MO
Posted on Sep 22
2025 Summer Intern - Manufacturing Controls/Electrical Engineer
At General Motors - O'Fallon, MO + 16 locations
Posted on Sep 23
Customer Experience and Design Intern, Summer 2025 - United States
At Mastercard - O'Fallon, MO
Posted on Sep 22
Technical Program Management Intern, Summer 2025 - United States
At Mastercard - O'Fallon, MO
Posted on Sep 22