ManiSelvan KanniMuthuRaj

• Architected CDC pipeline using Oracle CDC connector processing
15M+ transactions/day with 99.99% uptime
• Designed 50+ Kafka topics with Kafka Streams for real-time balance
calculations and transaction validation
• Built Ksql/Flink materialized views for customer 360 dashboards and
fraud detection with

Project Role:
Project Name: Performance Tunning

• Delivered 40+ pre-sales engagements for Oracle DB, Exadata, and
cloud migration assessments.
• Performed in-depth assessments of customer environments and
crafted architecture proposals.
• Conducted POCs for Oracle Autonomous DB, Exadata
Cloud@Customer, and ZDLRA.
• Created technical documentation, sizing, and BoM for enterprise
RFPs.
• Acted as SME in customer meetings, demos, and compliance solution
discussions.

• Implemented and maintained RAC, Data Guard, and OEM
monitoring.
• Tuned SQL queries and advised developers on performance
optimization.
• Automated patching, backup, and reporting via shell scripts and
OEM jobs.
• Installed and configured MySQL replication, Percona Server, and
MongoDB replica sets.
• Implemented automated backup and monitoring strategies using
Percona Toolkit and custom scripts.
• Led the migration of MongoDB clusters to new sharded architecture,
improving query latency by 35%.
• Developed health-check dashboards using MongoDB Ops Manager.
• Mentored junior DBAs and led internal process improvements.

• Provided L2/L3 DBA support for 100+ Oracle instances across on
prem and cloud.
• Implemented and maintained RAC, Data Guard, and OEM monitoring
for BFSI clients.
• Tuned SQL queries and advised developers on performance
optimization.
• Automated patching, backup, and reporting via shell scripts and
OEM jobs.
• Mentored junior DBAs and led internal process improvements.

• Provided daily DBA support including user management,
backup/restore, and log analysis.
• Participated in weekend DR drills and patching activities.
• Supported audit compliance tasks including report generation and
data masking.

Responsible for handling table space, Oracle client software and database management as per client’s requirement 
Performed rdbms housekeeping stuff with ADRCI/log rotation etc.
Experienced in provided support & troubleshooting in oracle golden gate
Attended daily operations call on requirement of implementation and transition 
Performed all DBA activities such as space management, user/role administration, schema management and checking alert logs of all databases 
Migrated the customer’s data from one database host to others using Datapump utility 
Used Automatic Workload Repository (AWR) and Automatic Database Diagnostic Monitoring (ADDM) reports for the performance diagnostics of databases 
Handled daily, monthly and quarterly batched on production database for standard customer bank 
Installed Oracle binaries and created database instance on RHEL box
Managed database connectivity issues and tuned the performance
Interacted with the client on daily basis to resolve online issues and new requirements through Service Now & mail