- Knowledge of equipment: Huawei, Zyxel, D-Link, HP, ARUBA, CISCO, TP-LINK, SNR, Netgear, Soltech, DELL, Mikrotik, Hikvision, Ubiquiti.
- Software knowledge: Windows Server 2008/2012/2016, Debian / Centos / Ubuntu, Huawei iManager N2000, Zabbix, Nagios, PRTG, LibreNMS, Pfsense, Opnsense, RouterOS, Kerio control, Asterisk (Elastix, Issabel); VMWARE, PROXMOX;
- direct experience of working with network protocols: Ethernet, xDSL; PPPoE, PPTP, L2TP; MPLS, OSPFv2, BGPv4, RIPv2, STP / RSTP / MSTP, VRRP, HSRP, EIGRP; PIM SM, IGMP; GVRP, NTP, SNMP, SIP.