Ecolab Electrical Engineering internships

As of November 11, 2026, Intern Insider listed 3 open Electrical Engineering internships at Ecolab, in Naperville, Illinois, 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, Roscoe, Illinois and Saint Paul, Minnesota: Electrical Engineering Co-Op, Supply Chain Intern and Research and Development 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.