University Academic Career (since 1998)

• Senior Lecturer, Department of Communication and Media Technologies, University of Colombo School of Computing, University of Colombo, Sri Lanka since December 2004
• Visiting Lecturer, Department of Mathematical Sciences, Eastern University, Sri Lanka, 2010
• Academic Visitor, Institute for Advanced for Advanced Studies, University of Strathclyde, Glasgow, UK, June, 2010
• Visiting Fellow, Department of Computer and Information Sciences, University of Strathclyde, Glasgow, UK, February, 2010
• Visiting Fellow, Department of Information Engineering, Research School of Information Sciences and Engineering, The Australian National University (ANU), Canberra, Australia, June, 2006
• Visiting Lecturer, Department of Mathematical Sciences, South Eastern University, Sri Lanka, 2008
• Lecturer, Department of Communication and Media Technologies, University of Colombo School of Computing, University of Colombo, Sri Lanka from September 2002 to December 2004
• Research Scientist, Cyberspace Security Policy and Research Institute, School of Engineering and Applied Sciences, George Washington University, US from November 2002 to December 2004
• Ph.D. Student, Department of Computer and System Sciences, Stockholm University, Sweden from January 1999 to July 2003
• Lecturer, Department of Computer Science, University of Colombo, Sri Lanka from January 1999 to August 2002
• Assistant Lecturer, Department of Statistics and Computer Science, University of Colombo, Sri Lanka from November 1998 to December 1998
• Visiting Lecturer, Open University, Sri Lanka in 1998
• Instructor, Department of Statistics and Computer Science, University of Colombo, Sri Lanka from January 1998 to October 1998