 Slabber signed for Eastleigh in July 2010, before moving onto Chelmsford City in March 2012.Following a successful spell with the Essex club, Slabber joined Sutton United, where he scored 14 goals in 31 appearances during the 2013–14 season.This included two goals against Bromley, the club for which he and teammate Damian Scannell would sign for at the end of the season.