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Illinois summer internships
Intern/Co-op - HES&S Safety and Industrial Hygiene (Summer 2027)
Marathon Petroleum - Kentucky, United States
Returning Intern Planner - Summer 2027 - Great Lakes Division (For Current/Former HNTB Interns Only)
HNTB - Milwaukee, WI, United States
Property Management Summer 2027 Internship - New York, NY
JLL - New York City, NY, United States
Intern/Co-op - Refining Electrical Engineering (Fall 2027)
Marathon Petroleum - Findlay, OH, United States
Machine Learning Engineer I (Intern) - United States
Cisco - San Jose, CA, United States
2026-2027 U.S. Operations Intern/Co-op - Fall Posting
Dow - Collegeville, PA, United States
Intern/Co-op - Refining Mechanical Engineer (Spring 2027)
Marathon Petroleum - Wilmington, CA, United States
Civil Engineering Intern | Rock Island, IL
IMEG - Rock Island, IL, United States
2027 Summer Corporate Intern - Engineering
Caterpillar - Clayton, NC, United States
AI Operations Engineer I (Intern) - United States
Cisco - Milpitas, CA, United States
Refining Chemical Engineering Intern/Co-op Summer 2027
Marathon Petroleum - Detroit, MI, United States
Refining Chemical Engineering Intern/Co-op Fall 2027
Marathon Petroleum - San Antonio, TX, United States
Global Inclusion/Internal Communication HR Intern
Ingredion - Westchester, IL, United States
Software Engineer Data & AI II (Intern) - United States
Cisco - North Carolina, United States
2026-2027 U.S. Operations Intern/Co-op - Fall Posting
Dow - Marietta, GA, United States
Legal Summer Intern Rising 2L (Intern) - United States
Cisco - Atlanta, GA, United States
Refining Chemical Engineering Intern/Co-op Spring 2027
Marathon Petroleum - Canton, OH, United States
Summer 2027 Intern (Detroit Branch) - Business Undergrad Majors
Federal Reserve System - Detroit, MI, United States
Leasing Summer 2027 Internship - Denver, CO
JLL - Denver, CO, United States
Returning Intern Planner - Summer 2027 - Great Lakes Division (For Current/Former HNTB Interns Only)
HNTB - Grand Rapids, MI, United States
