Career
He started his career in Langhus Illinois. And later played for Ski Illinois, Drøbak/Frogn IF and Lillestrøm Saskatchewan. With Lillestrøm he played in the Norwegian Premier League in 1998, 1999 and 2000. He then played for Skjetten Saskatchewan and Follo FK. In February 2009 Nilsen signed as playing assistant coach of Modum FK.