Sadheesh Kumar Email & Phone Number

Eleven years of Professional experience as Database Administrator on Oracle 10g/11g/12c/19c on Linux platform.·         Supported as production and development DBA on Oracle Database. Efficient to manage operational and implementation tasks of 50+ databases. Largest database size was 70TB. • Experience in Administration, Troubleshooting, Monitoring and Database Backup of Oracle database versions (19c,12c, 11g and 10g).·         Involved in Change/Release/Patch management and offshore co-ordination, Data Center Migration, Upgrade  of Oracle Database.·         Install 12c/19c GRID and RDBMS Binaries, Troubleshooting of installation. Validate RPMs on Linux/Unix servers. Configure server for Oracle requirements.·         Upgrade databases from 10g/11g to 11g/12c and 12c to 19c.·         Trouble-shoot upgrade process.·         Create databases using DBCA and Manually. Configure listener, tnsnames, spfile, password file.·         Applied PSU patches and bug fix patches to ensure the environment is compliant with latest bug fixes.·         Performance tuning of databases using ADDM, AWR, explain plan, stats pack, TKPROF, TFA, OS watcher and dictionary views, gather statistics, de-fragmentation of table, re-organize structure, monitor memory, index, schedule jobs, top sql/session, bottle-neck issues, tune init parameter, full table scan and Index usage.·         Loading data using Import/Export. Refresh schema.·         Performed Backup/restore/recover using RMAN and user managed. Create backup/restore strategies. RMAN, UNIX script for backup. Optimize backup/restore. Logical backup of schema using exp/imp. Clone database.·         Personal skills, Efficient in multi-tasking. Active participant, Quick start without KT. Documentation for proof of concept/process flow/Methodology. “Get it done” Attitude. Reasoning / Analytical skills.·         Key competencies include Oracle DBA,Priority Incident Troubleshooting, Cloning and Refresh, Recovery and Strategy planning.Having Basic knowledge on Goldengate architecture and concepts