Professional experiences

1. Professor (From 1 December, 2016 to date) Department of Biotechnology Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur -1706. 
2. Associate Professor (From 1 February, 2012 to 30 November, 2016) Department of Biotechnology Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur -1706. 
3. Associate Professor (From 1 March, 2011 to 31 January, 2012)    Department of Genetic Engineering and Biotechnology    School of Life Sciences,    Shah Jalal University of Science and Technology, Sylhet. 
4. Assistant Professor (From 14 September, 2007 to 28 February, 2011)    Department of Genetic Engineering and Biotechnology    School of Life Sciences,    Shah Jalal University of Science and Technology, Sylhet.
5. Lecturer (From 01 December 2004 to 13 September 2007)    Department of Genetic Engineering and Biotechnology,    School of Life Sciences,    Shah Jalal University of Science and Technology, Sylhet.
6. Scientific Officer (From June 1998 to September 2000)    Bangladesh Fisheries Research Institute, Mymensingh, Bangladesh    Research Field: Diseases of Fresh Water Fishes, Aquaculture and Farming System Research.

Member of Professional Society

• Member, Japan Society of Fisheries Sciences
• Member, Japan Society of Fish Pathologist
• Life Member, Bangladesh Society of Biotechnology and Genetic Engineering
• Life Member, Bangladesh Academy for the Advancement of Sciences
• Life member, Bangladesh Fisheries Research Forum
• Member, Bangladesh Association for Plant Tissue Culture & Biotechnology
• Member, Bangladesh Society of Microbiologists
• Member, Bangladesh Society of Fisheries Sciences 

Other Activities

1. Director, Institute of Biotechnology and Genetic Engineering, GAU (from 15 April 2023-14 April 25)
2. Provost, Shaheed Ahsanullah Master Hall of BSMRAU (5 July, 2019 to 4 July, 2021).
3. Provost, Shaheed Ahsanullah Master Hall of BSMRAU (5 July, 2017 to 4 July, 2019).
4. Head, Fisheries Biotechnology Discipline, Institute of Biotechnology and Genetic Engineering, BSMRAU, Gazipur (2019 to 2021).
5. Head, Department of Biotechnology for 2 years at BSMRAU, Gazipur
6. Head, Department of Genetics and Fish Breeding, BSMRAU (11 February 2010 to 13 February 2011)
7. Head, Department of Genetic Engineering and Biotechnology, Shahjalal University of Science and Technology, Sylhet. (11 February 2110 to 13 February 2011)
8. Served as member of National Technical Committee on Crop Biotechnology of the GoB.
9. Served as a Member of the Executive Committee of the School of Live Sciences at Shahjalal University of Science and Technology, Sylhet from 2005 to January 2012.
10. Served as Academic Council Nominated Member of the Executive Committee of the School of Social Sciences at Shahjalal University of Science and Technology, Sylhet for 2 years.
11. Served as Academic Council Nominated Member of the Research Center of Shahjalal University of Science and Technology, Sylhet.
12. Serving as expert member of under graduate and Masters Program in Department of Genetic Engineering and Biotechnology of Shahjalal University of Science and Technology, Sylhet, Department of Biotechnology and Genetic Engineering of Khulna University, Khulna, Department of Biotechnology and Genetic Engineering of Jahangirnagar University.