Network Routing Hardware (Cisco 6500s, Juniper)
Systems Engineering (VMware, Netapp)
Load Balancer (F5, Cisco, Citrix)
Routing Protocols (BGP, OSPF, EIGRP, RIP)
Operating Systems (Linux/Unix/Solaris, Windows NT/2000/XP
Network Management (HP Openview, SNMP, DNS/BIND)
Firewalls (Netscreen and Checkpoint firewalls)
VoIP