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Illinois internships
Strategic Program Support Summer 2027 Internship - San Francisco, CA
JLL - San Francisco, CA, United States
Intern/Co-op - Refining Construction Management (Summer 2027)
Marathon Petroleum - Anacortes, WA, United States
Refining Chemical Engineering Intern/Co-op Fall 2027
Marathon Petroleum - Kenai, AK, United States
Legal Summer Intern Rising 2L (Intern) - United States
Cisco - Seattle, WA, United States
2027 Summer Corporate Intern - Engineering
Caterpillar - Alpharetta, GA, United States
Refining Chemical Engineering Intern/Co-op Spring 2027
Marathon Petroleum - Mandan, ND, United States
Intern/Co-op - HES&S Environmental (Summer 2027)
Marathon Petroleum - Long Beach, CA, United States
Software Engineer Full Stack / Backend I (Intern) - United States
Cisco - North Carolina, United States
Refining Chemical Engineering Intern/Co-op Summer 2027
Marathon Petroleum - Kentucky, United States
Software Engineer Data & AI I (Intern) - United States
Cisco - Milpitas, CA, United States
Intern/Co-op - HES&S Environmental (Spring 2027)
Marathon Petroleum - Wilmington, CA, United States
Quality Engineering Intern
Littelfuse - Kaunas, Lithuania
Returning Project Controls Intern - Summer 2027 - Great Lakes Division (For Current/Former HNTB Interns Only)
HNTB - Jackson, MI, United States
Intern/Co-op - Refining Electrical Engineering (Fall 2027)
Marathon Petroleum - Anacortes, WA, United States
Intern/Co-op - HES&S Safety and Industrial Hygiene (Spring 2027)
Marathon Petroleum - Canonsburg, PA, United States
Intern/Co-op - Refining Electrical Engineering (Spring 2027)
Marathon Petroleum - Martinez, CA, United States
2026-2027 U.S. Operations Intern/Co-op - Fall Posting
Dow - Beaumont, TX, United States
Intern/Co-op - Refining Electrical Engineering (Summer 2027)
Marathon Petroleum - Texas City, TX, United States
2026-2027 U.S. Operations Intern/Co-op - Fall Posting
Dow - Croydon, PA, United States
Returning Intern Planner - Summer 2027 - Great Lakes Division (For Current/Former HNTB Interns Only)
HNTB - Cleveland, OH, United States
