Career
He began his professional career with the Canberra Raiders in 2004 and played with that team until the 2011. He operated as a second row, prop or as a lock. On 25 August 2011, it was announced that Miller had signed for the Street George Illawarra Dragons on a deal that would last for 2 years.
He announced on 8 November 2012, that he would retire from the NRL and would not participate in the 2013 season due to medical reasons as advised by Street George Illawarra Dragons medical staff
Josh Miller is currently engaged and lives in Wollongong NSW where he owns a gym, DragonFit, with former tean mate Matt Cooper.