Khan joined the Bangladesh Civil Service on 25 April 1994 as a taxation cadre. Khan was appointed secretary of the
Financial Institutions Division of the
Ministry of Finance in May 2024 replacing
Sheikh Mohammad Salim Ullah who was set to retire. He was the previous chief of the Administration and Treasury and Debt Management Wing. He replaced the contractually appointed chairman,
Abu Hena Md. Rahmatul Muneem, after his contract was terminated. There were protests at the National Board of Revenue by employees demanding the removal of Muneem. == References ==