"Baz" remained with the Hornets in an administrative capacity and was named their new head coach during the 1949–50 season. The following season, he was named general manager, lasting one season before being replaced. He returned to the Hornets as head coach in 1953, again for a single season. When the Hornets returned to Pittsburgh after a five-season absence due to the destruction of Duquesne Gardens and construction of the Pittsburgh Civic Arena Bastien returned with them, again as head coach. He moved to the general manager's position again in 1962, and remained in that capacity until the Hornets folded in 1967. He returned behind the bench in 1966, coaching them to a Calder Cup win, their third, in their final season.