 After that he served as senior assistant secretary and Deputy Secretary in Parliament Secretariat, as Director in the Department of Relief and Rehabilitation under Ministry of Disaster Management and Relief and as Secretary in National Sports Council.Islam also served as Joint Secretary and Additional Secretary in the Cabinet Division prior to his joining in the Bridges Division.He joined Bridges Division as Secretary in-charge on 13 November 2011, promoted to Secretary on 31 January 2013 and Senior Secretary on 13 July 2017.