• Oracle Database Administrator, with 14 years 4 Months of experience in performing various tasks like database installation, administration, configuration, upgrades, patching, backup and recovery, performance monitoring, performance tuning, cloning, space management, database security and production support.• Installed, upgraded, backup and recovery, networking and monitored different databases like (RAC with DR and DR) and application servers using oracle enterprise manager 11.0.4/12.2/19c grid control.• Design, Document, Implement and maintain all disaster recovery procedure for Oracle Enterprise version like 11.0.4/12.2/19c.• Provided assistance to memory corruption and dictionary corruption errors.• Database tuning by generating explain plans for long-running queries, creating indexes on columns to improve performance.• Tested and implemented restore procedures for complete and incomplete recovery using RMAN.• Set up and manage database security by creating new users, roles, profiles, and provide required user privileges in development and production environments for implementation and maintenance of user security.• Perform daily monitor of real-time replication as well as detailed reports database links, creating, managing tablespaces and data files.• Cluster-wide resource management such as create resource plan, service configuration, parallel instance group, application isolation.• Data refresh of large production data warehouse environment to setup test, development environments using san level storage mirroring: gold image copy and cloning.• Designed the logical and physical database structure and involved in logical, physical data modelling.• Good experience in PLSQL Programming and Unix Scripting.• Experience in MSSQL-12/16/19 Installation, monitor, configuration, DB backup, DB restore, Performance tuning.