He played in 47 NHL games with the Tampa Bay Lightning, Minnesota Wild, and Phoenix Coyotes between 1997 and 2004.
[1] On January 8, 2003, while playing for the Phoenix Coyotes Bierk and Chicago Blackhawks goaltender Michael Leighton both earned their first NHL shutouts in a 0–0 tie.
[1] Bierk finished his career with 47 game appearances, a 9–20–5 record, a 3.18 GAA and a 0.901 save percentage with 1 shutout.
Bierk joined the Oshawa Generals of the OHL in June 2013 as their goalie consultant, replacing Michael Lawrence.
[8] In January 2024, Bierk was replaced as goaltending coach by Justin Peters and assigned scouting duties.