The Storm reached the 2006 NRL Grand Final and Smith was selected to play from the interchange bench in the loss to the Broncos.In 2010, the premiership that Smith won with Melbourne was stripped by the NRL due to the club's major and deliberate breaches of the salary cap.[16] Smith played at lock in the Dragons' team that won the 2010 NRL Grand Final, defeating the Sydney Roosters.[17] After winning the 2010 NRL Grand Final with the St. George Illawarra Dragons, Smith was a part of New Zealand's successful 2010 Four Nations campaign.Despite having a disappointing year with the Cronulla-Sutherland Sharks in 2011, Smith was again chosen to represent New Zealand in the 2011 ANZAC Test and 2011 Four Nations.On 26 September 2012, Smith signed a three-year contract with the Newcastle Knights starting in 2013 to rejoin his former Dragons coach, Wayne Bennett.