Applications Security, BGP, CCIE - Cisco Certified Internetwork Expert, CCNP - Cisco Certified Network Professional, Cisco ASA (Adaptive Security Appliance), Cisco Routers, DHCP (Dynamic Host Configuration Protocol), DNS (Domain Name System), Documentation, EIGRP (Enhanced IGRP), Firewalls, Hardware Upgrades, High Availability, High Reliability, Identify Issues, Incident Management, Layer 3 Protocols, Local Area Network (LAN), Nagios Monitoring Tool, Network Administration/Management, Network Architecture/Engineering, Network Configuration Management, Network Monitoring, Network Performance/Analysis, Network Routers, Network Routing, Network Security, Network Support, Network Switching, On Call, Open Shortest Path First Protocol (OSPF), Performance Analysis, Performance Management, Problem Solving Skills, Production Systems, Root Cause Analysis, Standard Operating Procedures (SOP), TCP/IP (Transmission Control Protocol/Internet Protocol), VLAN (Virtual Local Area Network), VPN (Virtual Private Network), Wide Area Network (WAN), Wireless Communications