• Senior Lecturer (Higher Grade), Faculty of Engineering, Sri Lanka Institute of Information Technology (SLIIT), March 2023- to date
• Head, School of Technology, SLTC Research University, Padukka, Sri Lanka, April 2019- to Feb 2023.
• Senior Lecturer (Grade I) in Civil and Environmental Engineering, Faculty of Engineering and Technology, SLTC Research University, January 2018- Feb 2023.
• Program Lead, Environmental Technology Degree Program, SLTC Research University, January 2018 to August 2020.
• Senior Lecturer in Civil Engineering, Faculty of Engineering, South Asian Institute of Technology and Medicine (SAITM), Malabe, Sri Lanka, January 2011- to January 2018.
•  Head of the Department of Environmental and Biosystems Engineering, Faculty of Engineering, SAITM, January 2013- to January 2018.
• Head of the Research Unit of Faculty of Engineering, SAITM, January 2011- to January 2018.
• Sessional Academic, School of Urban Development, Queensland University of Technology, Brisbane, Australia, July 2006 – November 2010.
• PhD Research Scholar, School of Urban Development, Queensland University of Technology, Brisbane, Australia, July 2006 –November 2009.
• Research Assistant, Port of Brisbane Environmental Project, Queensland University of Technology, Brisbane, Australia, July 2006 – February 2008.
• Temporary Lecturer, Department of Civil Engineering, Faculty of Engineering, University of Peradeniya, Sri Lanka, August 2005- April 2006.
• Trainee Engineer, Kolon-Samsung Consortium, Galle, Sri Lanka, September 2003 – December 2003.
• Trainee Engineer, Southern Provincial City Council, Galle, Sri Lanka, October 2002 – December 2002.

• Doctor of Philosophy

Specialization - Water and Environmental Engineering

Queensland University of Technology (QUT), Brisbane, Australia

(July 2006–November 2009)

• Bachelor of Science of Engineering (First Class Honors)

Specialization - Civil Engineering

      University of Peradeniya, Sri Lanka (Jan: 2001 - February 2005)