Currently he is the defensive line coach at Brigham Young University. He is also in charge of recruiting relations with Polynesian players. Kaufusi is one of four Tongans who currently coach in Division I Football. The others are Kalani Sitake at Utah, Viliami Tuivai at Boise State, and Ilaisa Tuiaki Utah State Aggies. Will Kofe of Sacramento State, Alfred Pupunu of Southern Utah, and Sitiveni Tuivai of Southern Utah coach in Division I-AA now known as Division I-FCS.
Steve's son Bronson is a freshman defensive end for the BYU Cougars and also played forward on the men's basketball team.