 Cepero was loaned out to the Harrisburg City Islanders of the USL Second Division in 2008, and while with the City Islanders Cepero established himself as one of the top keepers in USL-2.Following his successful loan stint he was recalled by the Red Bulls.Cepero made his Red Bulls debut on October 18, 2008, against the Columbus Crew, because of first choice goalkeeper Jon Conway's 10-game suspension for using illegal substances.