NTT DATA

Core DBA

NTT DATA  •  Bengaluru, IN (Onsite)  •  2 hours ago
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Job Description

Performance Engineering & Optimization (Core Focus)

  • Lead advanced performance tuning using:
    • AWR/ASH analysis
    • SQL tracing
    • Execution plan deep analysis
    • Wait-event methodology
    • SQL Monitor & Real-Time ADDM
  • Diagnose systemic issues (I/O bottlenecks, latch contention, memory pressure, CPU saturation).
  • Optimize:
    • Indexing strategies
    • Partitioning 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:
    • Oracle RAC (multi-node clustering)
    • 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
    • Privilege minimization
    • 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

  • Develop automation using:
    • Shell / Python
    • Ansible
    • Infrastructure-as-Code principles
  • 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
    • AWR/ASH performance diagnostics
    • 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)

  • Oracle 12c/19c/21c /26Ai architecture
  • ASM & storage management
  • Exadata (Smart Scan, Storage Indexes, HCC)
  • GoldenGate (replication & migration scenarios)
  • Database upgrades & migration strategies
  • Edition-Based Redefinition (EBR)
  • SQL Plan Management (SPM)
  • Real Application Testing (RAT)
  • Resource Manager
  • Connection pooling (WebLogic, application integration)
  • Linux performance diagnostics (vmstat, iostat, top, sar)
  • Network latency analysis
  • Cloud exposure (OCI preferred)

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.
NTT DATA

About NTT DATA

NTT DATA – a part of NTT Group – IT and business services headquartered in Tokyo. We help clients transform through consulting, industry solutions, business process services, digital & IT modernization and managed services. NTT DATA enables them, as well as society, to move confidently into the digital future. We are committed to our clients’ long-term success and combine global reach with local client attention to serve them in over 50 countries around the globe.

Industry
IT & Software
Company Size
10,000+ employees
Headquarters
Tokyo, JP
Year Founded
Unknown
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