 He was a coaching consultant for the Canada national cricket team at the 2011 World Cup,

Hathurusingha was appointed assistant coach of New South Wales in September 2011, on a two-year contract.When senior coach Anthony Stuart was dismissed from the position in December 2012, midway through the 2012–13 season, Hathurusingha was named acting coach for the remainder of the season.Trevor Bayliss was appointed coach of New South Wales for the 2013–14 season, with Hathurusingha remaining as senior assistant and also taking over from Shane Duff as coach of the Sydney Thunder in the Big Bash League, as part of a restructure of Cricket NSW's coaching system.