Oracle Database Administrator

Req ID: 376973

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

Troubleshoot and resolve database incidents and performance issues

Conduct root cause analysis and implement preventive measures

Participate in CAB processes and change management workflows

H. Stakeholder Project Management

Collaborate with application teams, infrastructure teams, and business stakeholders

Lead or support database-related projects and initiatives

Provide status reporting, documentation, and knowledge transfer

Oracle Database Administration (Core DBA)

Oracle Exadata Administration

Oracle RAC, ASM, Data Guard

Oracle Key Vault (OKV) Security Administration

PL/SQL, SQL tuning performance optimization

Backup Recovery (RMAN)

Oracle Enterprise Manager (OEM)

Oracle APEX Development

Secondary / Preferred Skills

Oracle Cloud Infrastructure (OCI)

Automation tools knowledge (Ansible, AWX) would be plus

Replication tools (GoldenGate)

Experience Requirements

Years of Experience: 12+ years

Experience supporting enterprise, high-availability database environments

Experience with cloud migrations and modernization initiatives preferred

Education Certifications

Bachelor’s degree in Computer Science / IT or equivalent experience

Oracle certifications (DBA / OCI / Security) – Preferred

Soft Skills Competencies

Strong troubleshooting and analytical skills

Ability to manage critical production environments

Effective communication and stakeholder management

Ability to work in fast-paced, SLA-driven environments

Team collaboration and mentoring capabilities

About NTT DATA

NTT DATA is a $30 billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world's leading AI and digital infrastructure providers, with unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and application services. our consulting and Industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start-up partners. NTT DATA is a part of NTT Group, which invests over $3 billion each year in RD.

Whenever possible, we hire locally to NTT DATA offices or client sites. This ensures we can provide timely and effective support tailored to each client’s needs. While many positions offer remote or hybrid work options, these arrangements are subject to change based on client requirements. For employees near an NTT DATA office or client site, in-office attendance may be required for meetings or events, depending on business needs. At NTT DATA, we are committed to staying flexible and meeting the evolving needs of both our clients and employees. NTT DATA recruiters will never ask for payment or banking information and will only use @nttdata.com, @nttdatafed.com and @talent.nttdataservices.com email addresses. If you are requested to provide payment or disclose banking information, please submit a contact us form, https://us.nttdata.com/en/contact-us.