Big Data Technologies: Hadoop, HBase, Data Ingestion, versioning and batching
Web Technologies: Tornado, Boost, JSP, Tomcat
Operating Systems: Windows (98, NT, 2000, XP), Linux, UNIX, Android, OS/2
Middleware: J2EE (full spec), CORBA, COM/DCOM (primarily through ATL)
Application Servers: JBoss, JRun, WebLogic, WebSphere, Borland Enterprise Server
Databases: SQL, Oracle, Sybase, Microsoft SQLServer, DB2, MySQL
Modeling: UML, Rational Rose, Enterprise Architect, ArgoUML, Poseidon UML
Project Management: Microsoft Project, RUP, Agile Methodologies including XP