Sturzenegger began his professional career in 1979-80 on EHC Arosa's blue line. He played five seasons with Arosa in the Nationalliga A and became twice Swiss champion with them, in 1980 and 1982. He left the Graubünden town in 1984 to join the ZSC Lions, then in the Nationalliga B. Sturzenegger helped the team promote to the NLA in 1985. The team's stay at the highest level of the Swiss pyramid of hockey only lasted one season however, and he returned to the NLB with the Lions. He retired in 1988.