[1] Aziz was the Joint Secretary at the Ministry of Establishment and officer on special duty in 2003 when he was promoted in August.
[3] Aziz was appointed the Cabinet Secretary on 28 November 2008 replacing Ali Imam Majumder under Chief Adviser Fakhruddin Ahmed of the caretaker government.
[5] He served as the chairman of the Superior Selection Board which promoted a large number of bureaucrats beyond the number of vacancies resulting in the creation of officers on special duty.
[6] Former Prime Minister Khaleda Zia filed a contempt of court petition against Aziz and other government officials following her eviction from her residence in Dhaka Cantonment.
[8] In October 2011, M Musharraf Hossain Bhuiyan replaced Aziz as the Cabinet Secretary of Bangladesh.