Operation Systems:

   IBM OS/390 (z/OS), IBM OS/400 (i/OS), IBM AIX (p/OS), IBM MVS, IBM VSE, IBM VM, HP-UX, SCO UNIX, 
   Sun Solaris UNIX, Digital UNIX, Linux, MS Windows 7, MS Windows XP, MS Visual Basic, MS Visual C++, SAP

Java Development:

   Java Applets, Servlets, JSP, Swing, J2EE (JMS, JNDI, JDBC, EJB, RMI), CORBA, Web Services, JavaScript, 
   Web Application Servers (WebSphere, WebLogic, Sun One), Tomcat

.Net Development:

   Visual Studio .Net, Managed C++, C#, J#, VB .Net, ADO.Net, ASP.Net, COM+, Web Services/XML

Mainframe Development:

   COBOL, Power COBOL, COBOL85, TW-COBOL, DB2, OS390, JES2, VSE, CICS, IMS/DB, IMS/DC

 Database/DW/BI:

   Oracle, DB2, UDB, SQL Server, MySQL, Sybase, MQ, COBOL, CICS, Hyperion, Crystal Report

Enterprise Application Integration (EAI):

   WebMethods, Tibco, WebSphere, WebLogic, MS BizTalk