Ahsan began her career in the Bangladesh Foreign Service in 1995.[3] She was part of the 15th batch of the Bangladesh Civil Service.[4] Throughout her service, she has represented Bangladesh in various capacities in diplomatic missions around the world, including postings in Pretoria, The Hague, and Ottawa.[3]
Within the Ministry of Foreign Affairs in Dhaka, Ahsan has held several important roles.[3] Most recently, she served as Director General of the Research Wing, where she oversaw strategic analysis and policy development efforts.[3] Her experience also includes a brief deputation as Director at the Bangladesh Investment Development Authority.[5][3]
In June 2024, the Government of Bangladesh appointed Ahsan as the High Commissioner to Brunei, succeeding Nahida Rahman Shumona.[3]