Other Languages/Platform

Python
C/C++
C#/.NET Framework
Visual Studio.net

Middleware (Portal/BPM/SOA)

Oracle WebCenter Interaction (AquaLogic User Interaction Suite, ALUI, Plumtree, WCI)
Oralce WebCenter Suite (Spaces/Services)
WebLogic Server 6/7/8/9/10/10gR3/11gR1
WebLogic Portal 9/10/10gR3
Atlassian Confluence (enterprise wiki), JIRA (issue tracking system)
Oracle Beehive
Windows SharePoint Service 2/3
Microsoft Office SharePoint Server 2007
Oracle BPM (Fuego BPM, ALBPM)
Oracle JRockit Mission Control

IT Infrastructure/Application Servers/Web Servers:

IIS 5.0/6.0/7.0
Apache Tomcat 3/4/5/6
(Wrox Professional Apache Tomcat  and O'Reilly Tomcat the Definitive Guide powered)
Websphere Application Server 5/6

Apache HTTP Server (httpd)
nginx (widely used High Performance HTTP server and reverse proxy, as well as IMAP/POP3 proxy)
Cherokee
Lighttpd
HTTP File Server (HFS)

Serv-U FTP Server/Gene6 FTP/Xlight FTP/IIS (Windows)

Oracle Secure Enterprise Search

Yahoo! Zimbra Collaboration Suite Open Source Edition (Web Client, Desktop, ZCS )

Samba/CIFS
NFS
FTP (proftpd/vsftpd)
DNS/LDAP
DHCP
NTP
Open SSH Server

LDAP/Active Directory:

Sun Java System Directory Server 5.2
Novell eDirectory 8.8 SP5
Oracle Internet Directory 11gR1
Apache Directory Server (ADS)
Microsoft Active Directory version 2000/2003
Administration Tools: Apache Directory Studio, JXplorer, LDAP Administrator, LDAP Browser

Single Sign On
Windows Integrated Authentication/NTLM
Oracle Oblix (to learn)
CA SiteMinder (formerly Netegrity)

High Availability Cluster/Clustering

RDBMS:

Oracle Database 10gR1/10gR2 including RAC (10g self-study CD Kit course taken)
Oracle Database 11gR1 including RAC (OCP in progress)
Oracle Database 10g XE
SQL Server 7.0/2000/2005, 2008?(Sorry, no time and interests to research this any more)
MySQL 3/4/5 (I manage my LAMP environment since Fedora Core 1, now on Debian lenny and Ubuntu Server)
SQLite GUI tools: sqliteman sqliteman Manager (Firefox add-on)
CloudScape/Apache derby/Java DB

Virtualization:

VMware Workstation 5.x/6.x/7.x(since version 3.x)
VMware Fusion (Mac)
VMware Server (formerly GSX Server, now freeware)
VMware ESX/ESXi Server/Consolidate Backup/Converter
Oracle VM 2.x
VirtualBox
Microsoft Virtual PC/Virtual Server/Hyper-V
Xen
Parallels

Customer Relationship Management (use):
ClarifyCRM
Siebel CRM

Wikis

Atlassian Confluence

Free Open Source Software/Others:

LAMP (Linux Apache MySQL PHP)
XAMPP
Apache JMeter (load test)
Apache httpd/Tomcat/ANT/Axis...
Discuz! (php)
Wordpress
MovableType
Mozilla Bugzilla
phpMyAdmin
webmin
phpsysinfo
AWstats
Gregarius
......

Mobile Devices

Java

Java SE/Core Java (Swing/Socket/Security/Network/SWT/JDBC...)
A few project experience, including open source projects. SCJP 1.4
J2EE (JSP/Servlet/Struts/Hibernate)
Java SE and JVM Troubleshooting and Performance tuning (Sun JVM and JRockit)
Performance tools: JProfiler, YourKit Java Profiler, SAP Memory Analyzer.
IDE: Eclipse/JBuilder/BEA Workshop Studio/WebLogic Workshop (Oracle Enterprise Pack for Eclipse)

Commercial Software

Adobe Acrobat 5/6/7/8/9
Adobe Captivate 2/3
ViewletBuilder
Photoshop since version 4.x
Dreamweaver since version 4.x

Network

Router/Wireless Router/Switch
WireShark (Ethereal) (Wireshark University attended)
nmap
SMTP/POP3 (Coded a SMTP Filter/POP3 Parser based on JAVA)

Solid Customer support/Technical support experience and understanding. Knowledge/resource management collaboration for cross country team.

Versed in deploying all kinds of applications under all kinds of operating systems. Excellent troubleshooting skill, very good at fixing things.