Tauseef's CV
Tauseef Safdar Gill
Senior Database Administrator | Oracle | SQL Server | MySQL | MariaDB | OCI
Profile summary
Skilled Senior Database Administrator with 10 years of progressive experience in database management across telecommunications and IT services in the GCC and Pakistan. Track record of delivering high availability, disaster recovery solutions, and performance tuning for mission-critical enterprise systems. Dedicated to maintaining operational resilience and regulatory compliance across diverse database platforms.
Career highlights
Oracle Upgrade and Performance: Executed an Oracle database upgrade from version 11.2.0.1 to 19c via Data Pump across production databases, which improved system performance by 30 percent and eliminated licensing debt.
High Availability and DR: Architected Oracle Data Guard as a physical standby solution to achieve an RPO under 30 seconds and validated failover in under 5 minutes for mission-critical telecom systems.
SQL Server High Availability: Configured SQL Server Always On Availability Groups across multi-node clusters, ensuring zero-downtime failover operations for billing and OSS platforms.
Telecom Database Management: Managed Oracle RAC supporting billing and mobile wallet platforms handling millions of daily transactions while ensuring continuous operation across production environments.
Key skills
Professional experience
Directs database operations for telecom infrastructure, maintaining high availability and compliance across enterprise systems. Manages database administration for Oracle, SQL Server, and MySQL platforms supporting regional subscriber networks.
- Led Oracle DB upgrade from version 11.2.0.1 to 19 via Data Pump across production databases, improving performance by 30 percent and eliminating licensing debt.
- Architected Oracle Data Guard physical standby, achieving RPO under 30 seconds and validating failover in under 5 minutes for mission critical systems.
- Configured SQL Server Always On Availability Groups across multi-node clusters, ensuring zero downtime failover for billing and OSS platforms.
- Delivered 24/7 DBA support for database engines serving 500K subscribers across Bahrain and the Gulf.
- Reduced query response time by 40 percent through AWR, ADDM, ASH, and Execution Plan tuning.
Directed database administration operations for core telecommunications and mobile financial services platforms, managing enterprise database infrastructure and system availability.
- Deployed Oracle GoldenGate for cross-platform real-time replication, enabling zero-downtime migrations between IBM-AIX and Oracle Linux.
- Maintained Data Guard for production databases and executed switchovers during patching with minimal service disruption.
- Migrated critical databases across IBM-AIX, Sun Solaris and Red Hat Linux with zero data loss.
Managed enterprise database infrastructure across Oracle 11g and 12c environments, directing security hardening protocols and schema migrations to maintain database stability. Coordinated multi-site disaster recovery strategies and provided direct technical support to the monitoring team.
- Administered Oracle 11g and 12c instances through Data Guard configurations, RMAN backups, and schema migrations using Data Pump.
- Managed SQL Server backup and restore processes alongside log shipping for multi-site disaster recovery operations.
- Built automated Data Guard standby health-check and synchronization scripts that removed the need for manual daily disaster recovery reporting.
Directed database administration operations for prepaid and postpaid billing and CRM platforms at Jazz Telecom. Administered Oracle RAC and Data Guard configurations while maintaining 24/7 production and UAT environments.
- Resolved P1 incidents with an average turnaround time under 2 hours.
- Executed RMAN restores and Data Pump exports for database cloning, UAT refreshes, and point-in-time recovery.
- Delivered daily health checks, SYNC reports, and disaster recovery site monitoring.
Education
- First Division