Database Administrator
Currento Supporting 24X7 most critical production databases and environments towards achieving high availability and performance. o Expertise in doing various Oracle Database Administration tasks like database upgrade, database patching, database cloning, performance tuning etc.o Upgrade of Oracle E-Business Suite application tier from R12.1 to 12.2.10 and database tier from 11gR1 to 19c.o Troubleshooting performance related issues being reported in Database and EBS concurrent requests.o Upgraded standard edition Oracle databases from 12c to 19c using Autoupgrade utility.o Devised and implemented strategies for database backups and recovery using RMAN.o Upgraded OEM Cloud Control from 13.3 to 13.5o Installed and configured OEM Grid Control. Expertise in OEM administration and usage.o Expertise in system wide performance tuning using OEM, AWR, ASH,ADDM, SQL Tuning Advisor, SQL Access Advisor.o Provided mentoring, guidance and general oversight to less experienced staff in a variety of database design and administration concepts and issues.o Worked on development of data pipelines to ingest data from multiple sources into Data Lake using PL/SQL, shell scripting.