Proven hands-on experience administering and managing enterprise database platforms, including Oracle, Sybase ASE, Microsoft SQL Server, PostgreSQL, DataStax Cassandra, and Couchbase, covering installation, configuration, patching, upgrades, and ongoing maintenance.

- Strong understanding of database architectures and core concepts across RDBMS and NoSQL systems, including tablespaces, datafiles, filegroups, schemas, ASM, Cassandra keyspaces, Couchbase buckets, indexing strategies, query optimization, and transaction/log management.
- Extensive experience in database performance tuning and monitoring, utilizing tools such as:

 Oracle (AWR, ADDM, ASH)

 SQL Server (Query Store, Profiler)

 PostgreSQL (EXPLAIN ANALYZE)

 Cassandra and Couchbase monitoring utilities

 Execution plan analysis and SQL/query optimization across platforms

- Robust expertise in backup and recovery solutions, including:

 Oracle RMAN (full/incremental, archive log management)

 SQL Server native backup/restore





 PostgreSQL logical/physical backups (pg_dump, WAL archiving)

 Cassandra snapshots and replication strategies

 Couchbase backup and restore tools

- In-depth knowledge of high availability and replication technologies, including:

 Oracle RAC, Data Guard, GoldenGate

 SQL Server Always On Availability Groups, Log Shipping

 PostgreSQL streaming and logical replication

 Cassandra distributed clustering and replication

 Couchbase Cross Data Center Replication (XDCR)

- Experience integrating databases with enterprise applications and identity systems, including LDAP/Active Directory for secure authentication and role-based access control.
- Proven ability to manage databases in highly available, scalable, and hybrid environments (on-premises and cloud platforms such as OCI, AWS, Azure), ensuring resilience and optimal performance.

📌 Database admin (Chennai)
🏢 Trigent Software
📍 Chennai