$ Have done Migration of around 50 oracle databases running at Gurgaon DC on 11g OEL 6.0 to Bangalore DC on 12c RHEL $ Good experience in RAC (Real Application Cluster) implementation, Monitoring and Administration $ Installation clusterware software and Oracle database software in RAC. $ Installed and configured OEM13c Enterprise Manager Cloud Control in production Environment $ Configuring and maintenance of physical standby database for no data loss. $ Experience with ‘graceful’ switchover and switchback between primary and standby databases using DGMGRL command line tool and SQL commands. $ Configured Goldengate on production servers $ Configured GoldenGate to achieve unidirectional and bidirectional replication $ Performed DDL and DML replication from test and dev instances. $ Successfully tested initial Data load during environment build $ Setup GoldenGate User with necessary privileges $ Cross-Train DBAs on Goldengate configuration and replication. $ Troubleshoot different issues on GoldenGate and resolve them. $ Implemented Downstream configuration for one of reporting database. $ Managing production/test databases, ensuring database integrity and availability. $ Manual Cloning, RMAN Cloning of Database for testing and Development purposes. $ Responsible for Database backups, performance and optimization, indexing. $ Installation and configuration of Oracle 12c,11g Database server and creation of databases in Linux & Windows $ Installed and Configured OEM 13c in new Data center $ Backup & Recovery, Capacity Planning, Database Exports, Database Migrations. $ ASM administration, instance creation and starting up an ASM instance. $ Using ASMCMD command line tool to list different directories and files in ASM diskgroup. $ Migrated from Non-ASM Database to ASM Database.