Employer: National Railway Infrastructure Company (NRIC), Bulgaria
Period: July 2014 – March 2017







Employer: Geodesy, Cartography and Cadastre Agency
Period: August 2014 – June 2016








Employer: Consortiums SO KRAM KOMPLEX
Period: July 2012 – November 2013








Employer: National Railway Infrastructure Company (NRIC), Bulgaria
Period: January 2012 – May 2016







Employer: Consortiums "TBS 2012 -2016"
Period: August 2011- September 2016








Employer: National Railway Infrastructure Company (NRIC), Bulgaria
Period: March 2011 - November 2012