Munu Subrmaniam Thyagu

• Architected large-scale Oracle and SQL Server platforms for global OLTP and data warehouse workloads.
• Designed cloud-based high availability and cross-cloud disaster recovery solutions to improve resilience.
• Led database automation initiatives, enhancing monitoring, auto-restore, and failover strategies.
• Defined enterprise database standards and architectural blueprints, ensuring system consistency.
• Optimized backup storage through consolidation, achieving significant cost reductions.
• Implemented OEM 13c Cloud Control architecture for hybrid cloud environments, streamlining management processes.
• Conducted annual disaster recovery drills to validate recovery point objectives and recovery time objectives.
• Served as final escalation authority for performance tuning and management of critical production incidents.

• Designed and supported RAC and Data Guard on RAC architectures for banking-grade systems.
• Architected automatic failover and DR strategies aligned with regulatory requirements.
• Led quarterly patching and upgrade architecture across RAC and non-RAC environments.
• Provided architectural guidance for performance optimization and non-production refresh frameworks.
• Played a key role in enterprise DR drills validating availability and recovery objectives.
• Client: DBS Bank

• Architected and executed 100+ database migrations from on-premise to AWS and Azure.
• Designed cloud-native database architectures for Oracle and SQL Server workloads.
• Built RAC, standalone, and ODA-based platforms from ground up.
• Defined enterprise HA, DR, backup, and monitoring architectures.
• Led and mentored a 10-member DBA team, growing senior DBAs into architects.
• Acted as primary architecture owner for post-migration stabilization and optimization.
• Designed centralized OEM-based monitoring architecture across hybrid environments.

Designed and implemented complete end-to-end systems, ensuring robust functionality.

Conducted 24/7 production support, addressing priority tickets within SLA requirements.

Executed extensive troubleshooting for database and server issues, enhancing system stability.

Analyzed and proposed parameter changes in production environments to mitigate critical problems.

Optimized database performance through tuning for daily loads and slow response issues.

Reviewed AWR and Statspack reports daily to identify and resolve performance bottlenecks.

Performed table de-fragmentation and index rebuilding to enhance query performance.

Reviewed PL/SQL code and SQL queries pre-deployment for potential performance issues.

Installed, created, and configured Oracle 9i/10g databases on Linux and Windows NT servers.

Implemented and maintained DB2 8.0 databases on Windows NT servers.

Executed database change requests, modifying tables, triggers, packages, types, and views as needed.

Scheduled and monitored hot backups to ensure data integrity.

Utilized Oracle utilities such as Export/Import and Data Pump for database synchronization.

Performed schema syncing using Toad to maintain consistency.

Developed stored procedures and triggers to enhance database functionality.

Monitored database and OS performance, optimizing SQL, PGA, CPU utilization, and disk space.