BGP, CCIE - Cisco Certified Internetwork Expert, CCNP - Cisco Certified Network Professional, Cisco ASA (Adaptive Security Appliance), Cisco Network Systems, Cisco Nexus Switches, Cisco Routers, Cisco Switches, Citrix Product Family, Communication Skills, Computer Firmware, DHCP (Dynamic Host Configuration Protocol), DNS (Domain Name System), EIGRP (Enhanced IGRP), F5 Network Software, Firewalls, IPsec (IP Security), Identify Issues, Knowledge Transfer, Leadership, Low-Level Design, Network Administration/Management, Network Architecture/Engineering, Network Operations Center, Network Routing, Network Switching, Open Shortest Path First Protocol (OSPF), Remote Access, Root Cause Analysis, Routing Protocols, SNMP (Simple Network Management Protocol), Spanning Tree Protocols, Technical Writing, Technical/Engineering Design, VPN (Virtual Private Network)