Hi, I’m
Umesh BR
Bangalore
Summary
Accomplished Oracle Database Architect and Infrastructure Consultant with over 15 years' experience in designing, migrating and optimising enterprise database environments across Oracle, PostgreSQL, MySQL, SQL Server and cloud platforms including OCI, AWS and Azure. Expertise in database modernisation, cloud migration, high availability architecture and disaster recovery, delivering large-scale migrations and enhancing database performance significantly.
Overview
5
Languages
1
Certification
20
years of professional experience
Work History
DXC Technology
Associate Manager – Solutions
07.2020 - Current
Job overview
- Led database assessment, architecture, migration, and implementation initiatives for enterprise clients.
- Architected and implemented Oracle, MSSQL, and PostgreSQL cloud migration solutions across Azure and AWS, enhancing client capabilities in cloud environments.
- Executed homogeneous and heterogeneous database migrations using ora2pg and Oracle GoldenGate, facilitating seamless transitions for clients.
- Designed Oracle 19c RAC migration solutions from on-premise data centres to ESX cloud environments.
- Provided performance tuning, backup strategy implementation, and high-availability solutions.
- Deployed monitoring agent for continuous tracking of device performance and activity, ensuring real-time insights into operational health.
- Employed data collection through monitoring agents to enhance system monitoring capabilities. Agents monitor systems, subsystems, or applications, collect data, and pass the data to Tivoli Enterprise Portal through the monitoring server.
- Supported large enterprise clients including AT&T, Baker Hughes, BASF, South32, Glanbia, and Latitude Financial Services.
HPE Technology
Senior Oracle Database Consultant
07.2016 - 08.2020
Job overview
- Performed advanced Oracle performance tuning using AWR, ADDM, ASH, SQL Trace, and OEM.
- Managed Oracle Exadata environments, optimising Smart Scan, HCC, Flash Cache, and RAC configurations for enhanced performance.
- Executed Data Guard migrations and implemented high-availability solutions, achieving 99% uptime.
- Led Oracle GoldenGate upgrades, troubleshooting, and HA architecture implementations.
- Developed DevOps and automation practices using Ansible and Shell scripting to streamline database operations.
Net Connect Pvt Ltd
Oracle DBA / Unix Administrator
12.2014 - 07.2016
Job overview
- Administered Oracle RAC, ASM, Data Guard, RMAN backup/recovery, and patching activities to ensure high availability and data integrity.
- Supported clustered RAC environments and multi-node Oracle implementations to facilitate scalability and improve workload distribution.
- Managed performance tuning across database, memory, storage, and operating system layers to optimise resource utilisation and enhance system responsiveness.
Sabre Travel Technologies / Polaris Software / ITC Infotech / Simplex Solutions
Unix & Infrastructure Consultant
01.2007 - 07.2013
Job overview
- Managed enterprise UNIX infrastructure across AIX, HP-UX, Linux, SAN storage, and virtualisation to ensure high availability and reliability.
- Executed OS administration, performance tuning, and backup management, enhancing production support capabilities.
- Delivered 24x7 mission-critical support for banking, travel, and enterprise data centre environments, safeguarding operational integrity.
Skills
- Oracle Database Administration
- Oracle RAC
- ASM
- Oracle GoldenGate
- Data Guard
- Performance Tuning
- Performance Optimization
- Exadata administration
- Backup recovery
- RMAN
- Data Pump
- MS SQL Server Administration
- Database Migration
- Platform migration
- Cloud Platforms
- OCI
- AWS
- Azure
- Modernisation
- AWR
- ASH
- ADDM
- TKPROF
- SQL Trace
- Linux
- Virtualization
- VMware
- Shell Scripting
- Python Automation
- High availability
- EMC
- Symmetrix
- Clariion
- 3PAR
- High availability
Certification
- Oracle Certified Professional (OCP) – Database Administrator
- Oracle Cloud Infrastructure (OCI) Certification
- AWS Associate Certification
- Azure Associate Certification
- IBM AIX System Administration
- Oracle RAC & Data Guard Administration
Accomplishments
- Led enterprise-scale Oracle and MSSQL cloud migrations supporting over 45,000 databases.
- Improved database performance by 35% through SQL tuning, indexing optimization, and system tuning.
- Reduced Recovery Time Objective (RTO) from hours to minutes through optimized disaster recovery strategies.
- Achieved 99.9% system availability by implementing Oracle RAC and high-availability solutions.
- Automated operational tasks using Shell and Python scripting, saving 4–6 hours weekly.
- Successfully migrated legacy AIX databases to Oracle Exadata environments, improving processing speed by 45%.
- Implemented Oracle GoldenGate solutions enabling near-zero downtime migrations across platforms.
Languages
English
Tamil
Telugu
Hindi
Kannada
Timeline
Associate Manager – Solutions
DXC Technology
07.2020 - Current
Senior Oracle Database Consultant
HPE Technology
07.2016 - 08.2020
Oracle DBA / Unix Administrator
Net Connect Pvt Ltd
12.2014 - 07.2016
Unix & Infrastructure Consultant
Sabre Travel Technologies / Polaris Software / ITC Infotech / Simplex Solutions
01.2007 - 07.2013