Oracle
Oracle Database Administration on Unix
Oracle Weblogic Application server administration on Linux
Oracle Enterprise Linux administration for Apps Support

IBM
IBM WebSphere Administration on AIX
IBM WebSphere Message Queuing Administration on AIX
IBM DB2 Database Administration on AIX
AIX Administration for Apps Support
AIX System Administration on Power

CompTIA
PC Technician (HW and Software) and Networking

Cisco Systems
CCNA
CCNP
VOIP