[1] Busniuk was selected 67th overall, in the 5th round of the 1971 NHL Amateur Draft, by the Montreal Canadiens and played two seasons with the Philadelphia Flyers.
During his third and final year, in 1970-71, Busniuk was picked up as an add-on player by the Fort William Hurricanes who had advanced to the 1970 Memorial Cup.
[2] Busniuk played collegiate hockey with the University of Denver Pioneers while earning a teaching certificate in physical education.
After graduating, Busniuk’s professional hockey career began with being assigned to the Montreal Canadien's AHL farm team, the Nova Scotia Voyageurs for the 1974–75 season.
Busniuk served as head coach of the United Hockey League's Muskegon Fury in 2002-03, where he posted a 38-29-9 record.
Busniuk then returned home to Thunder Bay, where he served in a similar capacity with the Lakehead Thunderwolves, eventually filling in as an interim coach after Joel Scherban was fired four games into the 2012-13 season.
In 2013 Busniuk returned to Brunico, Italy to be head coach of HC Pustertal Wölfe, the same city he played for from 1982-1985.