1-Assistant Professor, Department of ECE, Birla Institute of Technology Mesra, Ranchi (23nd Oct -2008 to  till date)

2- Associate Lecturer, Department of ECE, Birla Institute of Technology Mesra, Ranchi (17th July-2006 to 22nd Oct-2008)

3- Lecturer(adhoc), Department of Electronics, DDU Gorakhpur , University Gorakhpur (2nd April-2002 to 14th July-2006)

4-Project Trainee, IC Design Group, CEERI Pilani (1st July-2000 to 31st March-2002)