In 1966 he joined the Faculty of Drama and Cinema of the Azerbaijan State Theater Institute named after Mirzaaga Aliyev.

Ilham Ahmadov played "Mirza Javad", "Schwester", "Lomov", "Molla Sabzali" and other roles in troupe.

He worked in Azerbaijan State Theatre of Young Spectators from 25 November 1971 to 2 February 1972.

From 3 February he worked in Azerbaijan State Academic National Drama Theatre.

On 20 March 1989 Ilham Ahmadov joined the Youth Theater organized by a talented young director Huseynaga Atakishiyev.