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Illinois internships
Software Engineer Embedded Systems II (Intern) - United States
Cisco - North Carolina, United States
Intern/Co-op - Refining Electrical Engineering (Fall 2027)
Marathon Petroleum - El Paso, TX, United States
Treasury Intern
Littelfuse - Suzhou, China
Returning Intern Engineer - Summer 2027 - Great Lakes Division (For Current/Former HNTB Interns Only)
HNTB - Cleveland, OH, United States
Refining Chemical Engineering Intern/Co-op Spring 2027
Marathon Petroleum - Kentucky, United States
Intern/Co-op - HES&S Environmental (Summer 2027)
Marathon Petroleum - Kentucky, United States
Intern/Co-op - HES&S Safety and Industrial Hygiene (Spring 2027)
Marathon Petroleum - Canton, OH, United States
Business Analyst I (Intern) United States
Cisco - Austin, TX, United States
Intern/Co-op - Refining Electrical Engineering (Summer 2027)
Marathon Petroleum - Findlay, OH, United States
Intern/Co-op - HES&S Safety and Industrial Hygiene (Spring 2027)
Marathon Petroleum - Minnesota, United States
Intern/Co-op - HES&S Safety and Industrial Hygiene (Fall 2027)
Marathon Petroleum - Mandan, ND, United States
Intern/Co-op - HES&S Environmental (Summer 2027)
Marathon Petroleum - Texas City, TX, United States
2027 Summer Corporate Intern - Engineering
Caterpillar - Lafayette, IN, United States
Returning Project Controls Intern - Summer 2027 - Great Lakes Division (For Current/Former HNTB Interns Only)
HNTB - Cincinnati, OH, United States
Machine Learning Engineer I (Intern) - United States
Cisco - Milpitas, CA, United States
Intern/Co-op - HES&S Environmental (Fall 2027)
Marathon Petroleum - Mandan, ND, United States
Intern/Co-op - HES&S Environmental (Spring 2027)
Marathon Petroleum - Dickinson, ND, United States
Product Lifecycle Supply Chain Project Specialist I (Intern) - United States
Cisco - San Jose, CA, United States
Refining Chemical Engineering Intern/Co-op Summer 2027
Marathon Petroleum - Louisiana, United States
Returning Intern Planner - Summer 2027 - Great Lakes Division (For Current/Former HNTB Interns Only)
HNTB - East Lansing, MI, United States
