Hermansson played for Souths in their upset 1994 Tooheys Challenge Cup final victory over Brisbane.
[4][2] At the height of the Super League war he moved to the Sydney City Roosters and played alongside fellow Kiwi prop Jason Lowrie.
[5] When the Rams were closed down before the season he signed a two-year contract with the Auckland Warriors, returning home to play in front of the New Zealand fans.
Hermansson played for the New Zealand national rugby league team on four occasions between 1994 and 1999, with the Superleague war blocking him from making more appearances.
On retirement, he returned to his native Christchurch and concentrated on coaching, winning several scholarships to improve his skills.