Oracle DBA

• 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)

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).

1. 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.