I was a Core DBA by profession, after started working at Oracle, it made me work on EBS, Fusion, Acquired Tech stacks such as Weblogic, IDM, OAM, OIM etc and Apps stacks such as Demantra, iLearning etc. Did lot of automation as we at Oracle handle in-numerous number of environments for development of the various Products, hence automated several jobs using perl, shell, python, sql/plsql etc. Overall, I am an all round DBA having skillset of Database, Middleware and Apps stacks with sound automation ability.

I am with Oracle last 14 years. I am an ardent lover of Oracle Database, having certification below credentials:
1) 11g OCP: Oracle Database 11g Administrator Certified Professional :
2) 11g OCE: Oracle Certified Expert, Oracle Real Application Clusters 11g and Grid Infrastructure Administrator
3) OCE: Oracle Exadata Database Machine 2014 Certified Implementation Specialist