Perform recurring tasks in the following technical and technological environment: CAT55/CAT6 copper cabling, multi-mode/single-mode optical cabling, Cisco brand LAN equipment (3560 to 6509, Nexus) and IBM 8264,8124 8316, Cisco brand SAN equipment (MDS9509, 9513) and Brocade (B24 to DCX), Cisco Firepower/ISE VPN server, OpenVPN, RedHat server, VMware virtualization, administration tools: Syslog, Zabbix, PhpIPAM, concept of Hybrid Cloud, Multi-cloud.