He played for the Quebec Remparts, Montreal Red White and Blue, and the Sherbrooke Castors of the Quebec Major Junior Hockey League from 1971 to 1974. The Montreal Canadiens picked him 33rd overall in the 1974 NHL Amateur Draft. He played for the Nova Scotia Voyageurs from 1974 to 1977, winning the Calder Cup in 1975-76 and 1976-77. Lupien started his career with the Montreal Canadiens in 1977. He also played with the Pittsburgh Penguins and Hartford Whalers. Lupien won two Stanley Cups with Montreal in 1978 and 1979. He retired in 1982.