I have 20 years of experience as networking expert and presale technical support. During my 20 years career I have accumulated extensive experience in voice, networking and network security. On large infrastructure projects I was leading teams of technical experts.One part of my career I was working in two telecom operators as networking engineer and technical account manager for key accounts. Working on telecom infrastructure and have extensive knowledge about it was major prerequisite for providing tailor made solution for key accounts. Second part of career was/is in system integrator firms where my role was to be constantly on the field with the client searching, developing and implementing different networking solutions for their environment. Presenting network and security topics at levels from technical to board is my regular activity, including presenting at the most prestigious networking event - Cisco Networkers conference, as well as regional and local IT events. Specialties: TCP/IP, network, CCNP&CCDP, network security, routing, switching, Campus and DC LAN, WAN, WLAN, Cisco, firewall, IPSec, VPN, DWDM, Adva Optical ACE (ADVA Certified Expert).