Suresh Sankaran

Senior Database Administrator @Cognizant

Nottingham, GB

Professional with 10+ years of experience in the field of Oracle Database, MS-SQL Server & Knowledge on PostgreSQL Administration.• Expertise as Oracle Database Administrator and having hands - on experience in database administration activities like production support, Installation, configuration, upgrades, patching, performance tuning, Backup & recovery.• Analyzed performance & security issues with the tools like Oracle Enterprise Manager (OEM), Explain plan, SQL Trace, SQLT, SQLHC, DBSAT, SQLMON, AWR, HANGANALYZE, SPA (SQL Performance Analyzer) and ADDM.• Expertise in Installations, Upgrades, Migrations in Oracle 12c,11g,10g & 9i with ASM/OCFS/RAW both RAC & Non RAC Databases on UNIX, AIX and Windows platforms within very large-scale database environment and mission critical large OLTP and OLAP systems. • Worked and having strong knowledge on DB security and implemented Oracle Advanced security features like Database encryption, Securing TLS version Worked on Oracle OEM• Experienced in using Oracle\'s Transportable Tablespace (TTS) and Transparent data encryption (TDE). • Configured and monitoring DATAGUARD for physical standby databases with real time apply, data guard broker and active data guard.• Worked on RCA for high incident tickets and driving the issue to the closure. • Proficient with SQL Server Cluster administration, support, troubleshooting, patching;• Extensive knowledge in Backup and Recovery using RMAN, Data Guard and other methodologies;• Extensive knowledge of Linux OS and Shell scripting incorporating Oracle utilities for administration and monitoring;• Worked on SQL Server Installation and database creations• Worked on SQL Server Backup/recovery• Worked on SQL Server Migration• Worked on SQL Server Mirroring, Log shipping, Always on