Roshan Zameer

I am a seasoned IT Professional with over 13+ years of industry experience and a Certified Database/Application Administrator. My career spans more than a decade of dedicated expertise in Oracle Database Administration, encompassing a wide spectrum of responsibilities. I excel in Installations, Upgrades, Migrations, Performance Optimization, Backup and Recovery, Security, Cloning, Patch Management, Troubleshooting, and Support for Oracle RAC & Standalone Databases. My proficiency extends to Linux,Windows and AIX platforms.
In addition to my extensive Oracle Database Administration background, I have over 7 years of experience in the administration of WebLogic Server Applications and its related applications.
Key Expertise:
Oracle Database Installation and Administration (12.x and 19.x versions)
Oracle Cloud EXACS and Multitenant Databases
Handling Large Databases (Exceeding 100TB)
GRID and Database Upgrade Activities (12.x to 19.x)
Database Migration and Node Additions
Database Cloning (Cold Backups, RMAN, Data Pump Utilities)
Oracle Database Patching (PSU/CPU/One-Off)
Expertise in Troubleshooting Database Issues and Raising SRs
Performance Optimization (Server, SQL, Application, User-related)
Utilizing Database Performance Tools (AWR/ASH, SQL Tuning Advisor, OEM, Profiling)
Disaster Recovery (DR) Environment Management
Oracle Multitenant Database Administration (Installation and Maintenance)
Oracle OEM Administration (Installation, Patching, Configuration, Monitoring, Tuning via OEM)
Transparent Data Encryption (TDE) Wallets Installation and Administration
Notable Achievements:
Successful administration of Oracle Databases with sizes exceeding 100TB.
Proficient in handling complex GRID and Database Upgrade projects.
Expertise in Oracle Database performance tuning, utilizing tools like AWR/ASH, SQL Tuning Advisor, and OEM.
Seamless management of Disaster Recovery (DR) environments, including Physical Standby and Active Data Guard configurations.
Accomplished in Oracle Multitenant Database administration, ensuring efficient container and pluggable database management.
Established Oracle OEM cloud control for streamlined monitoring and tuning.
Implemented Transparent Data Encryption (TDE) Wallets for enhanced database security.
My continuous pursuit of excellence and dedication to staying updated with the latest industry trends make me a valuable asset in the realm of Oracle Database and Application Administration.