Shahid Gulzar
Sr. Oracle DBA at 3i-Infotech LTD.Expertise in Oracle DBA | Oracle Exadata | Oracle Goldengate | Oracle DataGuard | Oracle Reports | EXPDP | IMPDP | RMAN | Performance Tunning | Oracle Database Migration.
- Role
- Senior Oracle Database Administrator at 3i Infotech Ltd.
- Location
- Delhi, IN
- LinkedIn followers
- 500 followers
About Shahid Gulzar
My name is Shahid Gulzar Ahanger, and I am currently working as a Senior Oracle DBA with…
Experience
Senior Oracle Database Administrator
Jul 2024 — Present · Delhi, IN
Installed, configured, and upgraded Oracle Databases (11g/12c/19c) across various environments including RAC and ASM setups.Created and managed databases, schemas, tablespaces, datafiles, and database parameters to meet business requirements.Implemented Oracle GoldenGate (Classic Architecture) for real-time replication and high availability.Performed database migrations from on-premises to AWS Cloud, ensuring minimal downtime and data integrity.Administered Oracle Data Guard for disaster recovery, including switchover/failover testing and DR drills.Configured database security features, applied critical patches, and responded to security alerts.Executed logical (Data Pump) and physical (RMAN) backups, recovery, and cloning activities.Applied database patching and version upgrades, ensuring smooth transitions with rollback strategies.Monitored and optimized performance using OEM Grid Control, AWR, ADDM, and SQL tuning techniques.Managed space allocation, capacity planning, and proactive monitoring of database growth and system resources.Collaborated with application and infrastructure teams to plan and execute deployments, upgrades, and migrations.Performed RCA (Root Cause Analysis) for major incidents and provided preventive solutions to avoid repeat issues.Conducted risk analysis, trend analysis of incidents, and implemented best practices to enhance DB reliability.Automated recurring DBA tasks using cron jobs and shell scripts to improve efficiency.Strong experience in problem-solving, cross-team collaboration, and delivering database solutions in 24x7 production environments.
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