He played domestically for Western Australia, New South Wales, Perth Scorchers and Adelaide Strikers.
[1] A left-handed batsman, Simmons represented the Australian national under-19 side at the 2002 Under-19 World Cup, playing seven matches.
[3] Simmons made his first-class debut for Western Australia in December 2003, against Victoria at the WACA Ground in Perth.
[7] After good form for Rockingham-Mandurah at district level, Simmons replaced the injured Liam Davis in the Perth Scorchers' squad for the 2013–14 Big Bash League season.
[8] In his fourth game for the Scorchers, against the Adelaide Strikers in mid-January 2014, Simmons scored a century from 39 balls, breaking the record for the fastest Big Bash League century; a record that would not be matched until 11 years later when Mitchell Owen of the Hobart Hurricanes tied it during the 2024-25 final.