- Microsoft Certified Systems Engineer (MCSE) Windows 2000
- Microsoft Certified Systems Administrator (MCSA) Windows 2000
- Cisco Certified Network Associate (CCNA)*
- Cisco Qualified Specialist: Wireless LAN Field Engineer Specialist (CQS-WLFES)*
- Toshiba Certified Technical Expert (TCTE) Convergent Technologies Certification: Telecommunications, Voice over IP
- NEC Bluefire Network Professional (BNP) Networking Certification
Certificate verification available upon request.
* Indicates an expired certification
Last resume update: November 7, 2008
Hardware Systems
- x86 Server & PC Hardware (Dell, HP / Compaq, IBM, Sun)
- x86 Blades: HP BladeSystem, IBM BladeCenter
- PPC PC Hardware (Apple Macintosh)
- Networking Hardware (See Networking)
- SANs (Storage Area Networks)
- Fibre Channel / iSCSI
- NAS (Network Attached Storage)
Hardware Monitoring
- Dell OpenManage & IT Assistant
- HP Insight Manager
- IBM Tivoli Enterprise Console (TEC)
Microsoft
- Debugging Tools for Windows / WinDbg (Crash Dump Analysis)
- Microsoft Office 97/2000/2003
- Microsoft Outlook 97/2000/2003
- Microsoft Internet Explorer 4/5/6/7
- Microsoft SQL Server 2005
- Microsoft Baseline Security Analyzer (MBSA)
- Sysinternals / PSTools
Oracle
- Oracle Database 10g XE
Open Source Software
- Apache HTTP Server
- Apache Tomcat
- Cygwin / GNUPro
- MySQL
- Samba
UNIX Shells
- Bash Shell (bash)
- Korn shell (ksh)
Other Software
- NFS
- SSH
Markup
- HTML / XHTML / CSS
- XML / SOAP / Web Services
Programming Languages
- Java, JSP/JSTL, Servlets
- Python
- JavaScript / ECMAScript
Scripting
- POSIX Shell Scripting (UNIX/Linux Shell Scripting)
- VBScript
- Windows / DOS Batch Scripting
Programming Tools
- vi / Vim
- Oracle JDeveloper
- Sun Netbeans
Telephony & Voice-over-IP
- Traditional Telephone Systems (PBX, Key Systems)
- Toshiba Strata CIX IP Phone System
- Toshiba Strata CTX PBX/Phone System
- Toshiba Stratagy Voice Processing (Voice Mail)
- Voice-over-IP / VoIP
- (See also Networking)
Microsoft
- Microsoft Windows Server 2008
- Microsoft Windows Server 2003 / 2003 R2
- Microsoft Windows 2000 Server
- Microsoft Active Directory 2000 / 2003 / 2003 R2
- Microsoft Windows XP Professional
- Microsoft Windows 2000 Professional
- Microsoft Windows NT 4.0 Server
- Microsoft Windows NT 4.0 Workstation
- Microsoft DOS 6.25 / Command Prompt / Batch Scripting
- Microsoft Internet Authentication Server (IAS)
- Microsoft Internet Information Server (IIS)
UNIX
- Solaris 10
Linux
- Linux 2.4, 2.6 Kernels
- Red Hat Enterprise Linux
- Ubuntu Linux
- Slackware Linux
Apple Mac OS
- Mac OS X
- Mac OS 7/8/9 ("Classic")
Other
- VMware ESX 2.x / 3.x (vmnix)
Virtualization
- VMware Virtual Infrastructure
- VMware vSphere
- VMware vCenter (VirtualCenter / VC)
- VMware ESX / vmnix
- VMmotion, DRS, HA
- VMware Converter
- VMware Capacity Planner
- VMware Server / GSX (Windows & Linux)
High Performance Computing (HPC)
- Microsoft Windows Server Clustering (MSCS)
Networking Protocols & Services
- 802.1x Authentication
- 802.11a, 802.11b, 802.11g / Wireless MAC / "Wi-Fi"
- 802.3 (Ethernet)
- 802.3af (Power-over-Ethernet / PoE)
- Ethernet / MAC (802.3)
- Extensible Authentication Protocol (EAP)
- Layer 2 Tunneling Protocol (L2TP)
- Point-to-Point Tunneling Protocol (PPTP)
- Quality of Service (QoS)
- Class of Service (CoS)
- Type of Service (ToS)
- DiffServ / DSCP
- Internet Protocol (IP) / TCP/IP
- TCP, UDP, ICMP
Networking Hardware / IOS
- Airespace Wireless / LWAP
- Cisco Aironet Wireless Access Points/WAP
- Cisco Internetwork Operating System / Cisco IOS
- Cisco Routers
- Cisco Catalyst Switches
- Dell PowerConnect Layer 2 & Layer 3 Switches
- Foundry FastIron / EdgeIron Layer 2 & Layer 3 Switches
- Juniper Networks J-Series Routers
- Juniper Networks Netscreen Firewalls
- Juniper Networks JUNOS
- Juniper Networks ScreenOS
- NEC Univerge / Bluefire Routers & Switches
- Proxim Wireless Access Points / Bridges
Craig Forrester










