Mauro was born in Sydney, New South Wales, Australia.

Of Italian heritage, Mauro attended St. Paul's Catholic College and played junior football for the North Curl Curl Knights club in the Manly junior region.

In 2011 he was announced as a member of the Italian side that competed in the 2013 World Cup qualifying.

On 2 October, Mauro was part of the Manly team that defeated the New Zealand Warriors in the 2011 NRL Grand Final.

Mauro signed with Salford City Reds after being released from Manly on 1 February 2013.