Preetham Thammannagowda
Oracle DBA (Senior) | Multi-Cloud: OCI/AWS/GCP | Oracle • PostgreSQL • CockroachDB | EBS 12.2.14 | RAC | GoldenGate | Exadata | 23ai
- Role
- Senior Oracle Application Database Administrator at C&S Wholesale Grocers
- Location
- Keene, NH, US
- LinkedIn followers
- 500 followers
About Preetham Thammannagowda
Senior Oracle Apps DBA & Cloud Engineer with 15 years of experience leading high-availability Oracle environments across OCI, AWS, GCP, and on-premises. Specialized in Oracle EBS, RAC, Data Guard, GoldenGate, Exadata/ExaCS, and Fusion Middleware, PostgreSQL, CockroachDB with strong expertise in performance tuning, automation, and large-scale cloud/database migrations.Recently led the EBS upgrade from 12.1.3 to 12.2.14 and database upgrade from 19c to 23ai, leveraging new 23ai optimizer and indexing features to significantly enhance performance, stability, and concurrent processing efficiency.Proven ability to support and manage enterprise applications on Google Cloud Platform (GCP), enabling cloud-native reliability, scalability, and hybrid architecture flexibility. Known for resolving complex issues swiftly, driving system reliability, and delivering zero-downtime solutions in fast-paced environments.Core strengths: Oracle EBS • RAC • GoldenGate • Exadata/ExaCS • OCI/AWS • Performance Tuning • Automation • HA/DR Architecture • GCP
Experience
Senior Oracle Application Database Administrator
Jan 2023 — Present · Keene, NH, US
Education
Visvesvaraya Technological University
Bachelor of Engineering - BE, Computer Science
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