Core DBA

NTT DATA, Inc.; Bengaluru; On-site; INR 3,500,000 - 7,500,000; Full time

Job summary

NTT DATA, Inc. in Bengaluru seeks an senior Oracle DBA to lead performance tuning, availability, and data protection for core banking workloads.

You will optimize OLTP systems, implement Data Guard, RMAN backups, and manage Oracle RAC environments across multi-cloud setups. You will drive crisis management, communicate risk to executives, and partner with IT, audit, and business teams to ensure regulatory compliance and high TPS.

Qualifications

• 10+ years of enterprise Oracle database experience with 3+ years in banking/financial services.
• Expert-level Oracle RAC, Data Guard / Active Data Guard, RMAN, Partitioning, and Advanced Compression.
• Experience with OEM and large OLTP workloads.
• Scripting/automation experience (Shell, Python, Ansible).
• Multicloud experience (OCI, Azure, AWS, GCP).
• DBA tasks including upgrade and migration; Golden Gate replication; SQL Server AG; WebLogic upgrade.

Responsibilities

• Lead crisis resolution for Sev1/Sev2 database incidents and deliver executive-ready RCA reports.
• Align with cross-functional stakeholders in large banking teams.
• Communicate complex database risk and strategy to C-suite executives and regulatory auditors.
• Support mission-critical systems such as Core Banking, UPI/Payments/Switch, Treasury, Risk & Compliance platforms, Data Warehouse & Regulatory reporting.
• Ensure compliance with RBI/central bank guidelines and audit standards.
• Support high transaction throughput environments (large OLTP systems).

Skills

Leadership

Crisis management

Executive communication

Cross-functional collaboration

SLA/MTTR focus

Tools

Oracle RAC

Data Guard

RMAN

OEM

Exadata

Golden Gate

WebLogic

Job description

Select how often (in days) to receive an alert: Create Alert

Performance Engineering & Optimization (Core Focus)

• Lead advanced performance tuning using:
• AWR/ASH analysis
• SQL Monitor & Real-Time ADDM
• Diagnose systemic issues (I/O bottlenecks, latch contention, memory pressure, CPU saturation).
• Optimize:
• Indexing strategies
• Query rewrites
• PL/SQL optimization
• Connection pooling patterns
• Establish performance baselines for OLTP-heavy core banking workloads.

2. High Availability & Disaster Recovery

• Architect and manage:
• Data Guard / Active Data Guard
• DR drills & failover simulations
• Own RPO/RTO alignment with banking regulatory requirements.
• Design backup & recovery frameworks (RMAN, incremental merge, backup validation).
• Ensure DR readiness with periodic validation and audit documentation.

3. Banking Domain Alignment

Leads client situations in crisis management, good executive communication and cross-functional leadership to Leadership Competencies, e.g. Lead crisis resolution for Sev1/Sev2 database incidents and delivers executive-ready RCA reports.

Aligns with cross-functional stakeholders (IT, business, audit) in large banking teams

Communicate complex database risk and strategy to C-suite executives and regulatory auditors.

• Support mission-critical systems such as:
• Core Banking (CBS)
• UPI / Payments / Switch systems
• Treasury systems
• Risk & Compliance platforms
• Data Warehouse & Regulatory reporting
• Ensure compliance with RBI/central bank guidelines and audit standards.
• Support high transaction throughput environments (large OLTP systems).

4. Security & Compliance

• Implement database hardening and security best practices:
• Role-based access control
• Database Vault (if applicable)
• Transparent Data Encryption (TDE)
• Data masking for non-prod environments
• Support audit requirements and regulatory inspections.
• Ensure encryption at rest and in transit (SSL/TLS, wallet management).

5. Automation & Operational Excellence

• Shell / Python
• Ansible
• Standardize patching, upgrade, and rollback frameworks.
• Enhance observability via OEM / custom monitoring.
• Improve MTTD/MTTR via structured incident response and RCA processes.

Required Experience

• 10+ years of enterprise Oracle database experience with 3+ years of preferred hands-on banking/financial services .
• Expert-level experience in:
• Oracle RAC
• Data Guard / Active Data Guard
• RMAN
• Partitioning & Advanced Compression
• OEM
• Strong experience in large OLTP workloads (high TPS environments).
• Experience handling multi-terabyte databases.
• Strong scripting/automation experience (Shell, Python, Ansible).
• Experience in Pre-Sales for Oracle, MS-SQL, Open source Database
• Hands-on experience with multicloud - OCI, Azure, AWS, GCP
• Ability to execute DBA tasks such as Upgrade, migration.
• Experience with Golden Gate replications
• Experience with SQL Server AG
• Experience with Weblogic upgrade

Technical Skills (Expanded)

• ASM & storage management
• Exadata (Smart Scan, Storage Indexes, HCC)
• Edition-Based Redefinition (EBR)
• Real Application Testing (RAT)
• Resource Manager
• Connection pooling (WebLogic, application integration)

Preferred Qualifications

• Oracle OCP / OCM certification.
• Experience with Exadata or engineered systems.
• Exposure to cloud-native database architectures.
• Experience in regulatory audits within banking sector.