He served as the 7th vice-chancellor of Bangladesh University of Engineering and Technology (BUET).
[1] He was awarded Ekushey Padak in 2005 by the Government of Bangladesh for his contribution to education.
[4] Mahmud joined as an assistant professor in Bangladesh University of Engineering and Technology in October 1964.
[4] Mahmud served as the Minister of State for Agriculture and Forests for the Government of Bangladesh during 1979 to 1981.
[4] Mahmud is serving as a member of Academic Council of BRAC University.