Lillebakk have been the second-choice goalkeeper in Molde FK throughout his career, but he had short spells on loan in Bryne FK, Aalesunds FK, Bærum SK and IL Hødd.
After the 2011 season he signed for a newly promoted First Division club, Bærum SK.
His latest club was Bærum SK, and he has most notably played professionally with Strømsgodset IF, including 19 matches in the Norwegian Premier League in 2001.
Bærum | Øverland, Bærum | Bærum SK |