Linux (RedHat, Centos), FreeBSD, Windows : VLAN, VPN, Wireless networks, Network equipment management (HP, Cisco, Mikrotik, Juniper), Deep understanding of network architecture * Wireless: Cisco (WLC),Ubiquity UniFi, Ruckus * Routing technologies: BGP, OSPF, RIP, Static routing I believe that my strengths are my experience, broad horizons and a good theoretical basis. Skills: * Systems administration: Linux (RedHat, Centos), FreeBSD, Windows * Network administration: VLAN, VPN, Wireless networks, Network equipment management (HP, Cisco, Mikrotik, Juniper), Deep understanding of network architecture * Wireless: Cisco (WLC),Ubiquity UniFi, Ruckus * Routing technologies: BGP, OSPF, RIP, Static routing * High availability: active-passive clusters (HSRP, VRRP, JRRP), load-balancing techniques * Security: firewalling (ASA, FWSM, CheckPoint, pfSense), antivirus techniques, antispam techniques, IDS/IPS, RADIUS (Windows / FreeRadius based) * Network Management Systems: CIsco Prime, HP OpenView, PRTG, Zabbix, NAGIOS