Postovoy started his career in
Dynamo Kyiv. He also played in clubs like
Nyva Ternopil,
Desna Chernihiv,
Tekstylnyk Chernihiv,
Prykarpattia Ivano-Frankivsk,
Torpedo Minsk,
Shakhtyor Soligorsk. In 1986, along with
Yuriy Vernydub, Postovoy served his military service in
LVVPU. In 1998, he moved to
Cheksyl Chernihiv, another team in the city of
Chernihiv, where he played eight matches and scored seven goals. In 1999 he returned to
Desna Chernihiv and he has been appointed captain of the club. ==Coaching career==