Assistant Professor (Research), Department of Mechanical Engineering, Wayne State University, Detroit, Michigan.
Visiting Assistant Professor, Department of Mechanical Engineering, Wayne State University, Detroit, Michigan.
Post-doctoral Research Fellow, Smart Sensors and Integrated Microsystems (SSIM), Department of Electrical and Computer Engineering, Wayne State University, Detroit, Michigan.
Post-doctoral Fellow, Institute for Manufacturing Research (IMR), Wayne State University, Detroit, Michigan.
Post-doctoral Research Associate, Department of Chemical Engineering and Data Storage Systems Center (DSSC), Carnegie Mellon University, Pittsburgh, Pennsylvania.
Japan Society for the Promotion of Science Post-doctoral Fellow, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan.Lecturer, Dept. of Biomedical Eng., University of Malaya, Kuala Lumpur, Malaysia, and Research Assistant, Dept. of Mech. Eng., University of Malaya, Kuala Lumpur, Malaysia.
Production Officer, OTOBI Ltd., Dhaka, Bangladesh.
Editorial Board Member, African Journal of Engineering, Hindawi Publishing Corporation.
Included in Marquis Who’s Who in America, from 2010 to 2013, and Marquis Who’s Who in the World, from 2010 to 2012.
Awarded Japan Society for the Promotion of Science (JSPS) Fellowship for two years starting from April, 2002.
Awarded Japanese Government (MONBUSHO) Scholarship for three and half years starting from October, 1998.
Awarded Dr. Rashid Gold Medal by Bangladesh University of Engineering and Technology (BUET) in 1998 for the best academic performance among all the recipients of Masters degrees.