Extensive experience worked on Installing, Patching, managing, administrating, configuring RAC 11gR2 & 12cR1, Data guard (DGMGRL), RMAN, Instance and SQL Tuning, Tkprof, AWR, ADDM, Export/Import, EXPDP/IMPDP, Grid control / Oracle Enterprise Manager(OEM), streams, Golden Gate replication, ASM, hardening the databases and upgradation/migration, 24*7 complex environments. Expertise in working on different UNIX and WINDOWS operating systems.