Senior Oracle Database administrator/Senior Architect

SIVAPRASAD GARGAPATI, Senior Database Administrator/Senior Architect

*************@*****.***

PROFESSIONAL SUMMARY

Senior Oracle Database Architect / Senior DBA with 30+ years designing, engineering, and scaling high-availability data platforms across Oracle and MS SQL environments. Deep expertise in Oracle RAC, Data Guard, GoldenGate, ASM, RMAN, Exadata, Azure, Databricks, and Microsoft Fabric. Delivered 200 TB+ datacenter migrations, enterprise 19c upgrades, zero-data-loss DR recoveries, and major performance improvements across analytics and ETL workloads. Recognized for architectural leadership, hands-on execution, and building secure, resilient, and scalable enterprise data ecosystems. AREA OF EXPERTISE

Database Platforms & HA/DR

Oracle Database 7.x–19c (Expert)

Oracle RAC / ASM (Expert)

Oracle Data Guard (Advanced)

Oracle GoldenGate (Advanced)

RMAN Backup & Recovery (Expert)

Exadata Administration (Intermediate)

SQL Server HA/DR, AlwaysOn (Intermediate)

Performance Engineering

AWR / ASH Diagnostics (Advanced)

SQL / PL/SQL Performance Tuning (Advanced)

Parallel ETL Optimization (Advanced)

Cloud & Data Engineering

Azure Databricks / Microsoft Fabric (Intermediate)

OCI Cloud Integration (Intermediate)

Data Lakehouse Architecture (Intermediate)

Scripting & Automation

Shell Scripting (Advanced)

Deployment Automation (Advanced)

Enterprise Architecture

TOGAF / ADM (Intermediate)

High Availability & Disaster Recovery Design (Expert) PROFESSIONAL EXPERIENCE

Trinity Information Services, Trinity Health — Livonia, Michigan Senior Oracle Database Architect / Senior DBA June 1998 – Present Directed enterprise upgrade from 11g/12c 19c, improving platform stability, performance, and supportability. Architected Oracle RAC, Data Guard, and GoldenGate environments delivering 24 7 uptime and zero-data-loss DR across mission-critical clinical and ERP workloads. Managed CRS/ASM for 200 TB+ databases using raw devices and ASM LUNs, improving storage efficiency and throughput. Executed datacenter migration (Novi Chicago) of 200 TB databases with zero data loss. Applications & Workloads

ERP, Oracle BI, Cerner, EPIC, Kronos, Lawson, Hyperion, MSOW, IDM, Sterling Gateway, ZENworks

Delivered AWR/ASH-driven performance tuning reducing ETL runtimes by 50% and stabilizing peak-load reporting.

Performed PowerMax 8500 storage migration using online ASM LUN migration, improving performance I/O by 20%

Applied Oracle Release Updates including 19.20 RU across RAC clusters with zero unplanned downtime.

Designed RMAN backup/restore strategies using DDboost, achieving 100% DR recovery success.

Directed DR switchovers and snapshot standby activations, reducing recovery time by 50%.

Architected On-Prem Oracle Oracle Cloud and Oracle MS Fabric mirroring improving Databricks/BI workloads performance,

Integrated Azure authentication and automated Audit Vault reporting, reducing manual audit workload and access violations.

Enforced TLS encryption and vulnerability remediation, achieving 100% compliance in Deloitte annual audits.

Mentored junior and mid-level DBAs, improving team productivity and reducing escalations by 35%.

Standardized architecture governance, documentation, and change control processes following TOGAF/ADM. EDUCATION

Master of Technology, Electronics & Communication Engineering Osmania University, India Bachelor of Technology, Electrical & Electronics Engineering Jawaharlal Nehru Technological University, India

Contact this candidate