30-11-2005 – 31-05-2008: Principal, Government College of Engineering, Salem.
17-08-2005 – 29-11-2005: Professor & Head, Department of Electrical and Electronics Engineering, Government College of Technology, Coimbatore
01-06-2005 – 16-08-2005: Principal In-Charge, Government College of Technology, Coimbatore.
15-08-2001 – 31-05-2005: Professor& Head, Department of Electrical and Electronics Engineering, Government College of Technology, Coimbatore.
30-05-2000 – 14-08-2001: Professor & Head, Department of Electrical and Electronics Engineering, Alagappa Chettiar College of Engineering and Technology, Karaikudi.
30-05-1997 – 29-05-2000: Assistant Professor, Department of Electrical and Electronics Engineering, Government College of Technology, Coimbatore.
22-08-1996 - 29-05-1997: Liaison Officer, Directorate of Technical Education, Chennai.
18-12-1988 - 21-08-1996: Assistant Professor, Department of Electrical and Electronics Engineering, Government College of Technology, Coimbatore.
01-06-1979 - 17-12-1988: Lecturer, Department of Electrical and Electronics Engineering, Government College of Technology, Coimbatore.
17-12-1978 – 31-05-1979: Lecturer, Department of Electrical and Electronics Engineering, Alagappa Chettiar College of Engineering and Technology, Karaikudi.
08-08-1974 - 16-12-1978: Associate Lecturer, Department of Electrical and Electronics Engineering, Government College of Technology, Coimbatore.
03-09-2008 – till date: Professor at Sri Ramakrishna Engineering College and Director (Academics), SNR Sons Charitable Trust Group of Institutions, Coimbatore.