Microsoft Windows Server 2003, 2008
Microsoft Exchange Server
Microsoft IIS
Microsoft Office 2007, 2010

Centos
Redhat
Ubuntu

Cisco
Sonicwall
OpenVPN
Juniper
Circuit Provisioning (ISP, T1, DS3, Ethernet, Gigabit, MPLS)
VPN, IPSec, Remote Access
Firewalls, Routers, Switches
Network Monitoring
Load Balancing
WAN Acceleration
Proxy Servers
Token Authentication
Wireless Provisioning

VOIP
SIP
Avaya
Asterisk
H.323
DID
Interactive Voice Response (IVR) Systems
Blackberry, Android, iPhone integration

Cooling
Electrical Requirements
Data Center moves
Rack Layout
Console Management

VMware
Citrix Xenserver
Server consolidation

Dell, HP, IBM
Single and Rack Server implementations
Storage Area Networks (SAN)
Network Attached Storage (NAS)

Remote Access and Token Authentication
Video surveillance
Identifying potential vulnerabilities in existing hardware/software