Bjarnason was Philadelphia's 2023 second-round pick (51st overall) and has signed a three-year, entry-level contract worth $2,850,000 ($950,000 AAV). The 18-year-old goaltender went 21-19-5 with a .900 SV% and a 3.08 GAA with Brandon (WHL) in 2022-23. He also represented Canada at the Under-18 World Championships this offseason where he led the squad with a 4-2-0 record, .849 SV% and 3.51 GAA.