| Professor in Parasitology | 2023 – to date |
| Senior lecturer (Gr I) Faculty of Medicine, University of Jaffna, Sri Lanka | 2016 to 2023 |
| Senior Lecture (Gr II) Faculty of Medicine, University of Jaffna, Sri Lanka | 2010 – 2016 |
| Lecturer, Faculty of Medicine, University of Jaffna, Sri Lanka | 2004 – 2010 |
| Head of the Department of Parasitology | 2021 to date |
| Head of the Department of Pathology | 2011 to 2015 |
| Student councilor, Faculty of Medicine | |
| Member of the board of study in medical Science of the Faculty of Graduate studies | 2014 to date |
| Senior Treasurer of Medical Student’s Union, Faculty of (2010-2012) Medicine, and University of Jaffna, Sri Lanka |
2010 to 2012 |
| Coordinator for BSc in Medical Laboratory Technology | 2015 / 2016 |
| Coordinator for BSc in Medical Laboratory Technology | 2011 / 2012 |
| Deputy coordinator – IRQUE Project | 2005 to 2007 |
| Person in-charge for the Activity 4 (IRQUE Project) | 2008 to 2010 |
Research publications in refereed journals