Subramanian Panneerselvam

About Subramanian Panneerselvam

Aurora, RDS PostgreSQL:* Proven experience in supporting large-scale high-availability systems in a production environment.* Contributed to the architecture and design (architecture, design patterns, reliability and scaling) of new and current database systems.* Collaborate with Software Developers to know their application requirements and providing cost effective database solutions.* Experience with Amazon Web Services such as IAM, EC2, S3, CLI, SDK, Glue, Secrets, KMS and equivalent cloud services.* Knowledge of CI/CD tools, Development lifecycle & best practices for coding standards, code reviews, source control management, build processes, testing, and operations* Reducing the likelihood of Transaction ID Wraparound problems as and when pop up.* Monitoring the activity and performance of DB instance.* Upgrading the PostgreSQL RDS database versions.* Working on various PostgreSQL Extensions.Oracle :• Knowledge in various stages of System Development Life Cycle (SDLC). Like System Analysis, Applications Design, Development, Integration & System Testing Support of Oracle 8x, Oracle 9x, Oracle 10g and Oracle 11g Databases in Production, Staging, Development & Test environments. Good knowledge of Oracle Internals.• Quarterly applying QFSDP patch across compute & storage nodes through dbupdatenode & patchmgr.• Extensive knowledge in Exadata features like Smart Scan,HCC,IORM & Storage Indexes.• Hands on experience in replacement of Cell Disk failures issues.• Good experience in Database Administration and Maintenance on LINUX, SUN SOLARIS, HPUX & AIX.• Worked on New Environments setup includes ASM, RAC Databases Installations and Oracle 12c Installations.• Good experience of setup & configuration, implementation of (Oracle 12c RAC three-node on Oracle Linux with ASM)• Wide knowledge in OEM 12c configuration,installation and maintaining the agents across the servers in different platforms.• Migrating and Upgrading the DATABASES between different environments and versions.• Good Experience in Database Backups and Recovery Strategies Using RMAN and Expert experience in Hot and Cold Backup of databases.• Good knowledge in creating RMAN Duplicate Databases and FLASHBACK recovery features• Strong Exposure on High Availability Concepts (RAC, Standby), Database Cloning, and Oracle Streams.

Experience

1. Senior Database Engineer

   Salesforce

   Nov 2025 — Present · Bellevue, WA, US

Education

• Shanmugha Arts, Science, Technology and Research Academy

  Bachelor of Technology (BTech), Computer Science

  2005 — 2009