 Hermansson was a Schoolboy Kiwi in 1982 and made the Junior Kiwis in 1985.Nicknamed "The Rock" he spent his early years playing for the Canterbury sides of the 1990s before moving overseas to play professionally, first for Doncaster in England and then for the South Sydney Rabbitohs in the then NSWRL Premiership.At the height of the Super League war he moved to the Sydney City Roosters and played alongside fellow Kiwi prop Jason Lowrie.