Network Services:
Http/https/ftp proxys, smtp relays an servers, dns, dhcp, antivirus, antispam, content filtering, etc.
Routing and Switching:
Cisco Routers and Switches
Firewall:
Cisco PIX and ASA (6.x, 7.x, 8.x), IOS Fierwall
Linux Iptables
VPN
Protocols - IPSEC/ISAKMP , L2TP , PPTP , GRE
Types - Site-to-Site, Remote Access, DMVPN, WebVpn
Products - All Cisco devices capable of VPN
VOIP
Products - Cisco Gateways, Gatekeepers, Unified Communication Manager
IDS/IPS
Products - Cisco IDS/IPS
Other Cisco product
Network monitoring:
Nagios, cacti, others.
Network Documentation and Reporting
Log analysis 7 years experiance in networking and security implementation and design. Voice over IP skills. CCDA and CCNA Voice Cisco Certified.