His professional career began in the East Coast Hockey League, but he worked his way on to the Penguins' farm team, and then into the NHL itself.

[2] In the 1998–99 season, Aubin was recalled by the Penguins and made his NHL debut in a 5-0 defeat to the Tampa Bay Lightning on October 21, 1998.

[4] In his next start Aubin continued his good form, collecting his first career shutout in a scoreless tie against the Boston Bruins on November 7, 1998.

On July 23, 2009, Aubin signed a one-year contract with European team, the DEG Metro Stars leaving the Philadelphia Phantoms.

[8] After three seasons with the Metro Stars, Aubin departed as a free agent but remained in Europe, signing a one-year contract with Pustertal-Val Pusteria Wolves of the Italian Serie A on June 3, 2012.