Hardware: Cisco
 Routers and Switches, PIX/ASA, Cisco Access-Points, Blue Coat Proxy, F5
 BIG-IP, HP SuperStack Switches, Dell Servers, Dell DRAC's, Sun Servers,
 Dell SAN StorageSoftware: Exchange
 Server 5.5 & 2003, Backup Exec 11d - 2010, Microsoft SQL, Lyris 
ListManager (CRM), EmailXtender, Disc Xtender, Sendmail, Apache, Cyrus 
IMAP Server, Dell OpenManage, VMware ESX Servers, Xen Virtualization Server, Red Hat Cluster Suite, Altiris Suite, Nagios, MRTG, RANCIDNetworks: TCP/IP, Wireless (802.11a/b/g/n), VPN, MPLS, Frame RelayProtocols:  BGP, OSPF, EIGRP, IGRP, RIP, HSRP, IPSec, 802.1x, VLAN (802.1q), Spanning-Tree, DHCP, DNS, iSCSI, NFS, SAMBATechnologies: Active Directory, Group PolicyPlatforms: Windows
 2000 Wkstn & Srv, XP, Vista, Windows 7, Windows Srv 2003 & 
2008, Linux (Red Hat, CentOS, Fedora), UNIX (Solaris 2.5/2.6/2.7/8/9, 
UnixWare 2.1.3), Mac OS X