He played 17 games for the Ottawa Senators of the National Hockey League (NHL).

Mayer then signed with AHL's Adirondack Red Wings for the 1989-90 season, where he spent a total of three seasons, interrupted and followed by stints with the San Diego Gulls of the IHL (1990–91 and 1991–92).

Mayer made his NHL debut with the Ottawa Senators during the 1993-94 season.

He played at the 1993 World Championships and won silver at the 1994 Olympic Games in Lillehammer, Norway, with the Canadian national team.

[2] In June 2015, Mayer joined the coaching staff of EHC Red Bull München in Germany as an assistant.