Spring, 2018: Teaching Assistant, Soil Physics Course (Instructor: Dr. Yan Jin), Department of Plant and Soil Sciences, University of Delaware, USA.

12/2012- Present: Asst. Professor, Department of Soil Science, University of Chittagong, Bangladesh. (on stduy leave)

04/2011-12/2012: Lecturer, Department of Soil Science, University of Chittagong, Bangladesh.

12/2010-04/2011: Scientific Officer, Bangladesh Rice Research Institute (BRRI), Bangladesh.

01/2010-12/2010: Professional Service Contract, International Rice Research Institute (IRRI), Bangladesh.