Position: System administrator / Network Engineer / Security Engineer / VoIP Engineer
Category: Sysadmin
English level: upper
Years of experience: 11


17+ years of experience in the IT sphere with a network/system design, maintenance, troubleshooting, and security background.
Designed and implemented Network, VoIP, System and Security infrastructures in Data Centre 
Implement L3 network in DC and more than 50 remote sites; 
Implement NG Firewall Fortigate, set up a secure connection and some limits for end users, integrated government agencies via S2S VPN;
Implement VMware® vCenter, VMware® ESXi and virtualized all servers;
Implement IPT - 3CX, FreePBX;
Implement monitoring system - Zabbix, Solarwinds;
Creating accurate and up-to-date system and network documentation.
Installed and configured Active Directory, DNS, DHCP, GPO.