 He was the Senior Secretary of the "Bridges Division" under Ministry of Road Transport and Bridges and the ex-officio Executive Director of Bangladesh Bridge Authority before joining in the current position on 28 October 2019.Islam joined Bangladesh Civil Service in 1983 as an Upazila Magistrate under administration cadre after graduating with a Bachelor's and Master's degree in Social Welfare from Dhaka University.At the beginning of his career, he served as upazila nirbahi officer (UNO), additional deputy commissioner and director in National Sports Council.