Ecolab Computer Engineering internships

As of November 11, 2026, Intern Insider listed 3 open Computer Engineering internships at Ecolab, in Naperville, Illinois, Saint Paul, Minnesota, Calgary, Chicago, Illinois, City of Industry, California, Eagan, Minnesota, Elk Grove Village, Illinois, Fresno, Texas, Garland, Texas, Garyville, Louisiana, Greensboro, North Carolina, Huntington, Indiana, Joliet, Illinois, Martinsburg, West Virginia, McDonough, Georgia and Roscoe, Illinois: Electrical Engineering Co-Op, Supply Chain Intern and Digital & AI Technology Intern. 3 of these 3 listings state that the role is paid. This page does not invent a salary when the listing is silent. Browse the roles by employer below. You can read the full posting free, then apply in minutes with a free account.