- 2001-2007: Assistant Professor
- Large Scale Distributed Information Systems (LSDIS) Lab. , Computer Science Department , University of Georgia , Athens, GA 30602, USA.
- 1998-2001: Post-doctoral Research Associate
- Large Scale Distributed Information Systems (LSDIS) Lab. , Computer Science Department , University of Georgia , Athens, GA 30602, USA.
- Genetics Department , University of Georgia , Athens, GA 30602-7223, USA.
- 1997-1998: Software Engineer
- Aydin Software ve Electronics Inc. , 161. Sokak, No: 21, 06530 Ankara, Turkey (a subsidiary of L-3 Communications ).
- 1991-1997: Research Scientist
- Software Research and Development Center , Middle East Technical University , Ankara, Turkey.
- The Scientific and Technical Research Council of Turkey , Ataturk Bulvari, No: 221, 06100 Ankara, Turkey.