Employer  Group  Dates  Position held   Responsibilities 
 OTE S. A.  Deutsche Telekom  4/2007 – now  Network solutions architect   Software solutions developing for automating L2 & L3 networking devices. PM for various projects. Team leader. Ongoing solutions. Solutions in the works.
 Attica Telecom S. A.  Bobolas  12/2005 - 3/2007  IP planning  Designing infrastructure and developing services during expanding business model from a Layer 2 to an Internet service provider. IP address planning. Setting up lab for beta testing new services.

 Organizing Committee for the Olympic Games Athens 2004

   9/2003 - 8/2004  ICT change management  Monitoring and supervising ICT projects.
 ISONET S.A.  Vardinogiannis  6/1998 - 10/1999  Network administrator & ICT project management  Integrating of large scale network projects.
 Ideal Telematics S.A.  ALTEC  11/1995 - 5/1998  WAN – LAN integrator  Configuration, installation & migration of multi-vendor network equipment.