Nitin Kumar Garg
Senior Oracle Cloud & Exadata Administrator
Noida
Summary
Oracle Certified Professional specializing in Oracle Cloud Infrastructure, Exadata Cloud Service, and high-availability database automation. Delivered complex zero-downtime migrations from on-premises to cloud and hybrid environments through expertise in Real Application Clusters, Active Data Guard, and Automatic Storage Management. Enhanced operational efficiency by leveraging Infrastructure as Code, automated patching, and advanced performance diagnostics.
Overview
2
2
Languages
3
3
Certifications
15
15
years of professional experience
Work History
Senior Advance Support Engineer
Oracle India Pvt. Ltd
07.2021 - Current
- Client: Central Board of Indirect Taxes & Customs (CBIC)
- Provide Tier-3 expert-level support on enterprise-scale production databases and coordinate major incident resolutions.
- Design and deliver end-to-end cloud-ready database architectures on Oracle Exadata and ExaCS environments.
- Lead zero-downtime database migrations from legacy systems onto high-performance Exadata platforms.
- Upgrade highly critical production multi-node RAC databases to 19c versions.
- Manage high-availability nodes, handling live additions and deletions in active RAC clusters.
- Modernize database monitoring by redesigning complex multi-node 13c OEM setups into simplified, high-efficiency architectures.
- Formulate and apply comprehensive security patches across production RAC and OEM 13c architectures.
- Implement Maximum Availability Architecture (MAA) to maintain 24x7 database operations using Active Data Guard and physical standby configurations.
DBA Lead
Mercer Consulting
10.2020 - 07.2021
- Team Size: 30 DBAs
- Managed critical hybrid database infrastructures and led an operational team of 30 DBAs.
- Resolved highly complex SQL and system-level performance bottlenecks using advanced diagnostic tools.
- Orchestrated database migrations and set up proactive active monitoring structures on Exadata servers.
- Upgraded legacy systems (11g and 12c) to 19c frameworks.
- Designed and executed automated cloning workflows to instantly refresh testing environments from production copies.
- Maintained real-time data replication streams utilizing GoldenGate 11g.
DBA Database Consultant
IBM India Pvt. Ltd
01.2017 - 10.2020
- Client: State Street | Team Size: 60 DBAs
- Managed and monitored massive 11gR2 and 12c RAC databases hosted on Exadata environments.
- Guided complex Exadata migrations and conducted scheduled proactive system performance tuning.
- Configured and validated robust Disaster Recovery (DR) pipelines, successfully fixing replication lags and Data Guard anomalies.
- Built secure production databases from scratch, including core software installation and patch management.
DBA Database Consultant
IBM India Pvt. Ltd
12.2014 - 01.2017
- Client: First Gulf Bank (FGB) | Team Size: 6 DBAs
- Built production-grade Oracle 11gR2 Clusterware and ASM environments from scratch on Linux and AIX.
- Successfully completed online database migrations from old to modern ASM disk arrays.
- Handled the technical upgrade of Grid Infrastructure and core databases from 11.2.0.3 to 11.2.0.4.
- Successfully converted Standard Edition databases to Enterprise Edition configurations to support growing scale.
DBA Database Consultant
Tricore Solutions
05.2011 - 12.2014
- Client Portfolio: Maintained ~50 corporate clients | Team Size: 12 DBAs
- Configured Oracle 11gR2 RAC and 10g Data Guard architectures on Linux servers.
- Set up custom database services with Transparent Application Failover (TAF) to establish seamless client-side high availability.
- Designed and automated RMAN backup and recovery schedules to protect customer data.
- Installed and managed OEM Grid Control agents across diverse client systems.
Education
Bachelor of Technology (B.Tech) - Computer Science & Technology
Uttar Pradesh Technical University
01-2008
Skills
Cloud Platforms & Systems: Oracle Cloud Infrastructure (OCI), Oracle Exadata (X7, X8M, X9M)
Databases: Oracle 9i, 10g, 11g, 12c, 19c
High Availability & DR: Oracle RAC, Data Guard, Active Data Guard, Transparent Application Failover (TAF)
Replication & Tools: Oracle GoldenGate 11g, OEM 12c/13c Grid Control, OCI CLI
Backup, Recovery & Storage: RMAN, OCI Object Storage, Data Pump (expdp/impdp), ASM
Operating Systems: UNIX (LINUX, AIX, Solaris, HP-UX), Windows Server
Troubleshooting skills
Hardware and software installation
Technical support
Certification
CORE COMPETENCIES
- Cloud Infrastructure: OCI, Exadata Cloud Service (ExaCS), ExaCC, Autonomous Database (ADW/ATP).
- High Availability & Disaster Recovery: Oracle RAC, Active Data Guard, Maximum Availability Architecture (MAA).
- Migration & Upgrades: On-Premises to OCI Migration, Database Upgrades (11g/12c to 19c/23c).
- Performance Tuning & Monitoring: SQL Diagnostics, AWR/ADDM, OEM 13c Cloud Control.
- Database Automation: Shell Scripting, OCI CLI, automated patching, backup and restore pipelines.
Timeline
Senior Advance Support Engineer
Oracle India Pvt. Ltd
07.2021 - Current
DBA Lead
Mercer Consulting
10.2020 - 07.2021
DBA Database Consultant
IBM India Pvt. Ltd
01.2017 - 10.2020
DBA Database Consultant
IBM India Pvt. Ltd
12.2014 - 01.2017
DBA Database Consultant
Tricore Solutions
05.2011 - 12.2014
Bachelor of Technology (B.Tech) - Computer Science & Technology
Uttar Pradesh Technical University