He has played for the Winnipeg Blue Bombers, Ottawa Redblacks, and BC Lions of the Canadian Football League (CFL).

[1][2] In 2014, he was named the OUA Rookie of the year where he played in eight regular season games and had 35 receptions for 468 yards and four touchdowns.

[1] He also played in the team's 50th Vanier Cup loss to the Montreal Carabins where he had ten catches for 66 yards.

[4] He made the team's opening day roster and played in his first professional game on June 14, 2018, against the Edmonton Eskimos.

Petermann scored his first touchdown on a nine-yard reception from Chris Streveler in the Banjo Bowl on September 8, 2018.