[4] Siddiqui joined the Bangladesh Military Academy received his commission on 10 December 1992.

[7] Siddiqui was the head of the risk management committee and trustee board member of Trust Bank Limited.

[5][8] On 30 January 2024, Siddiqui was appointed director general of the Border Guards Bangladesh replacing Major General AKM Nazmul Hasan.

[9] The deputy secretary of the Public Administration ministry, Abdullah Arif Mohammad, signed the gazette notification.

[10] In February 2024, Siddiqui said that he would not allow any more Rohingya people to enter Bangladesh from Myanmar.