Simmons a De La Salle junior made his debut for Cronulla in the 2003 NRL season.

Simmons was finally able to represent Penrith in Round 15 of the NSW Cup, playing for the Windsor Wolves.

In 2011, Simmons became a regular first grader for the Penrith Panthers, playing mostly left wing, though occasionally filled in the fullback position.

He shared the award with David Williams of the Manly-Warringah Sea Eagles and James McManus of the Newcastle Knights.

[citation needed] [7] Simmons commenced as the Assistant Minister at Emu Plains Anglican Church in 2018, where he is currently serving the people of Western Sydney.