Database Administrator
Teb / Bnp Paribas Bank
* Support and maintenance of 200+ Oracle databases of different environments e.g. production, test, development, data guard* Implementing the migration of Databases from Linux to Unix, and Unix to Linux* Converting a single instance database to Oracle 11g RAC and migrating database from NON-ASM to ASM* Cloned/Refreshed/Restored Oracle Databases for development and testing* Creating scripts for the automation of repetitive processes and scheduled these on the HP Server automation such as adding auto datafile, kill session, compilation ...* Utilizing the Real Application Testing (RAT) before critical database change (migrate, upgrade, major patch and deployment) * Installed, configured, implemented Oracle Enterprise Manager (OEM) 12c for all production and test environments to monitor * Created a lot of Linux/Unix shell and PL/SQL scripts for Proactive monitoring of Oracle Databases in order to eliminate downtime * Deep understanding of Exadata specified features such as Smart Scan, HCC Hybrid Columnar Compression, Flash Cache, etc.* Maintaining Exadata including health check, patching, disk replacement, upgrades* Installed and configured integrated/classic GoldenGate for data replication* Resolved all sorts of GoldenGate abend/latency issues* Planned and completed disaster recovery and Switch Over testing for databases* Installed, configured, implemented PostgreSQL / SQL Server / Cassandra database* Setup PostgreSQL for High Availability and Replication with Hot Standby* Involved in taking backups using Oracle RMAN and VERITAS Net backup * Planned and implemented a backup strategy of both Oracle and PostgreSQL* Implemented alert monitoring for CPU usage, disk space, contention, high events, top SQL, GoldenGate abend, GoldenGate lag, I/O contention, memory usage