Bilecki played at youth level with
Toronto Croatia's junior team in 1969. In 1970, he played in the
National Soccer League with Toronto Croatia's senior team. He was named the league's top goalkeeper twice in 1971, and 1972. In 1974, he assisted in securing the NSL Championship against Toronto Homer. For the
1975 season he played in the
North American Soccer League with
Toronto Metros-Croatia. He later played for three other NASL sides in the United States:
Tampa Bay Rowdies,
Los Angeles Aztecs and
Tulsa Roughnecks. He won a
Soccer Bowl with Toronto in
1976 and was a runner-up in
1979 for Tampa Bay. He was the back up goalie for Tulsa when they won
Soccer Bowl '83. Bilecki also won the NASL's indoor title in
1979–80 with Tampa Bay. == International career ==