From 1986 to 1988, Qoşanov worked as a mechanic, then as a foreman at the Dzhezkazgantsvetmet concentration plant. In 1988, he became an instructor of the Dzhezkazgan Regional Committee of the Lenin Communist Youth Union of Kazakhstan. From 1990, Qoşanov was the leading, chief specialist, head of department, deputy chairman, and then the chairman of the Jezkazgan Regional Committee for Wind Farm.
