Shahjahan joined as a lecturer in
Ahsanullah Engineering College (later BUET) in October 1960. He served as the vice-chancellor of BUET from April 1991 to November 1996. His second-term reappointment was truncated by a teacher-students-employees agitation. He retired from BUET in January 2000. Shahjahan died on 20 September 2000 at
Shaheed Suhrawardy Hospital in
Dhaka. ==References==