 He played his junior rugby league for the Caboolture Snakes and attended Morayfield State Primary School before joining the Wests Panthers in Brisbane, where he was signed by the Penrith Panthers in 2003.After playing for Penrith's second-tier team, the St Mary's Cougars, in the NSWRL Premier League, Aiton was called upon to make his NRL début on 23 April 2006, starting at hooker for Penrith in their round 8 match against the Cronulla-Sutherland Sharks, as a result of an injury sustained by Craig Gower.Aiton made 13 further appearances from the bench in 2006, and was named Penrith's Ben Alexander Rookie of the Year.