At some point after the Cordyceps brain infection outbreak, he became a member of the community at Jackson, Wyoming being run by Tommy and Maria Miller. He is among those who operate the nearby hydroelectric dam.
Events of The Last of Us
During the fall of 2033, Steve was working inside the hydroelectric dam's control room to repair one of the turbines alongside two other workers. While Tommy and Maria were leading Joel and Ellie on a tour of the dam, one of Steve's colleagues radioed Maria notifying her that Steve was about to start up the turbines, asking her to come check it out. She sends Tommy and Joel in her place, opting to eat with Ellie instead.