Oracle Database Administrator

Req ID: 376973

NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now.

We are currently seeking a Oracle Database Administrator to join our team in Chennai, Tamil Nādu (IN-TN), India (IN).

Sr Oracle Database Administration

Position Summary

NTT DATA is seeking a highly skilled Oracle Database Administrator to support enterprise database environments across on-premises and cloud platforms.

Acts as a key resource responsible for administration, maintenance, and optimization of Oracle database environments supporting enterprise applications. Ensures high availability, performance, and security while delivering services aligned to ITIL processes, SLAs, and operational standards. This role ensures high availability, performance, security, and compliance of database systems across on-premises and cloud platforms.

The position supports mission-critical environments support both on-premises and Oracle Cloud Infrastructure (OCI) environments, including RAC, Data Guard, ASM, Exadata and modernization initiatives. This role contributes to proactive monitoring, incident resolution, and continuous improvement in database services.

Primary Responsibilities

A. Database Administration & Lifecycle Management

• Manage full database lifecycle including installation, configuration, upgrades, patching, and decommissioning
• Perform database provisioning, schema management, and storage optimization
• Execute database migrations, upgrades, and platform modernization initiatives

B. High Availability & Disaster Recovery

• Implement and manage Oracle RAC, Data Guard, and ASM environments
• Design and support disaster recovery strategies and failover mechanisms
• Ensure business continuity through resilient architecture and validation testing

C. Performance Tuning & Optimization

• Monitor database performance and conduct query optimization, indexing, and partitioning strategies
• Perform capacity planning and performance trend analysis
• Leverage OEM and OCI observability tools for proactive monitoring

D. Backup, Recovery & Data Protection

• Define and execute backup strategies using RMAN and enterprise tools
• Perform database recovery, restore, and disaster recovery drills
• Ensure data integrity and compliance with recovery SLAs

E. Security & Compliance

• Implement database security controls including encryption, access control, and auditing
• Manage Oracle Security, Oracle Key Vault (OKV), and compliance requirements (SOX, HIPAA, etc.)
• Apply patches and security hardening practices aligned with policies

F. Cloud & Platform Modernization

• Administer Oracle Cloud Infrastructure (OCI) environments
• Support cloud migration, hybrid architecture, and database transformation initiatives
• Implement OCI services including monitoring, logging, and automation frameworks

G. Incident, Problem & Change Management