BGP, Cisco ASA (Adaptive Security Appliance), Cisco Network Hardware, Cisco Network Software, Cisco Network Systems, Cisco Nexus Switches, Cisco Unified Communications, Cisco Unified Communications Manager (CUCM), Cisco Unity, Cross-Domain Solutions (CDS), Engineering, F5 Network Software, Federal Government, Firewalls, Healthcare, IP (Internet Protocol), IPsec (IP Security), Identify Issues, Information Technology & Information Systems, Instant Messaging, Intelligence Community, Jabber, Juniper Networks Product Family, Legal, Load Balancing, McAfee Product Family, NAT (Network Address Translation), Network Architecture/Engineering, Network Monitoring, Network Routers, Network Switching, On Call, Open Systems Interconnection (OSI), Root Cause Analysis, Subnetting, Systems Administration/Management, TCP (Transmission Control Protocol), TFTP (Trivial File Transfer Protocol), Technical Support, Testing, VLAN (Virtual Local Area Network), Willing to Travel