Core DBA

Core DBA

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.

 

 

 

 

Experience Level

Senior Level