Naveen Kumar

About Naveen Kumar

As a Senior Technical Specialist at Cognizant, I specialize in Oracle database administration and Snowflake management, leveraging my Oracle OCP and SnowPro Core certifications. My role includes managing Oracle 11g/12c/19c databases in various architectures, implementing Oracle GoldenGate for replication, and optimizing database performance through advanced tuning techniques. With an MCA from New Horizon College of Engineering, I bring a strong foundation in IT and a commitment to supporting robust database environments that align with organizational needs. My expertise spans across OCI, AWS, and on-premises Oracle environments, enabling seamless integration and innovative solutions for data management challenges.

Experience

1. Senior Technical Specialist Cognizant

   Cognizant

   Dec 2025 — Present · Karnataka, IN

   Oracle DBA ResponsibilitiesAdministered Oracle 11g/12c/19c databases in Standalone, RAC, and Multitenant (CDB/PDB) architecturesManaged Oracle Data Guard (Physical & Logical Standby), switchover/failover using DG BrokerPerformed backup & recovery using RMAN, restore point creation, DR drills, and auditsHandled performance tuning (AWR, ASH, ADDM, SQL tuning, indexing strategies)Installed, upgraded, and patched Oracle databases and Grid InfrastructureImplemented Oracle GoldenGate for replication and real-time data syncManaged user security, roles, profiles, auditing, and encryptionSupported OCI DBaaS / ExaCS / On-Prem Oracle environmentsAutomated DBA tasks using Shell, SQL, and Cron jobsSnowflake DBA / Administrator ResponsibilitiesAdministered Snowflake accounts including warehouses, databases, schemas, and rolesDesigned and optimized virtual warehouses for performance and cost controlImplemented RBAC security model, data masking, row-level security, and network policiesManaged data loading (COPY, Snowpipe) and monitoring query performanceOptimized credit usage, storage costs, and auto-suspend/resume policiesSupported data sharing, time travel, fail-safe, and zero-copy cloningIntegrated Snowflake with AWS / Azure / OCI ecosystemsMonitored and troubleshot Snowflake issues using QUERY_HISTORY and ACCOUNT_USAGE

Education

• New Horizon College of Engineering, BANGALORE

  vtu, MCA

  2009 — 2012