2018 – 2018


Uppsala University

Responsibilities include:

  • Investigating long laboratory spark development and breakdown using high speed photography and Matlab image processing
  • Simulating transient current distribution in structures and different media
  • Analysing X-ray emission from very long laboratory sparks
2011 – 2017

PhD Candidate, High Voltage Engineer and Research Assistant

Uppsala University


  • Measurement, analysis and numerical modelling electrical discharges and their X-ray production
  • Designed, constructed and implemented Uppsala University Lightning X-ray Detection System (installed in 4 countries)
  • Conducted various high voltage controlled tests according to the international standards
  • Designed and Implemented various High Voltage tests for academic research
  • Was in charge of lightning electromagnetic field measurement station
  • Solved various EMC/EMI problems in measurement systems in noisy environments such as HV labs and during lightning
  • Was in charge of conducting technical evaluations and purchasing equipment and products for research projects
2006 – 2009
Sri Lanka


Uva Wellassa University


  • Conducted lectures and laboratories in computer science, embedded systems and electronics
  • Developed curriculum of various computer science and physics courses, and degree programs
  • Linux and windows system administrator, maintained web servers, proxy server, mail server, IP/PBX server, domain controllers and student computer laboratories
  • Maintained the university website and the course management system
  • Participated in designing university network infrastructure
2003 – 2006
Sri Lanka

Assistant Lecturer and Research Assistant

University of Colombo


  • Conducted electromagnetic field measurement from lightning and constructed sensors
  • Designed embedded systems to solve both research and industry problems
  • Constructed micro-controller prototyping boards for research and teaching
  • Lecturer in embedded systems design and microcontroller architecture
  • Conducted lectures, laboratories and tutorials for undergraduate students


Numerical Modelling



HV Engineering

Embedded Systems

High Speed Photography

System Administration


My Blogs

Fedora Notes

Notes on Fedora Linux and the third party ‘Wellassa Software Repository’ for Fedora


A tech blog on computing, system administration and microcontrollers