Probationary Lecturer – Department of Mathematics, University of Peradeniya - (November 1985 – October 1991)
Senior Lecturer Grade II – Department of Mathematics, University of Peradeniya - (October 1991 – January 1998)
Senior Lecturer Grade I - (February 1998 – to date)
1981 - University Scholarship for the best performance of the General Science Qualifying Examination, University of Peradeniya, Sri Lanka.
1984 Was the Top of the batch with Second Class Upper Division Honors, Special Degree programme in Mathematics, Faculty of Science, University of Peradeniya, Sri Lanka
1996 Overseas Postgraduate Research Scholarship (OPRS) for Ph.D. in Mathematics, RMIT City Campus, Australia
2002 Won the award for “the most commendable presentation” (undergraduate category), Research Sessions, University of Peradeniya