Senior / Lead Oracle Exadata Database Administrator

Role & responsibilities

Job Summary

We are seeking a highly skilled Oracle Exadata DBA with deep expertise in Exadata platform administration, RAC, ASM, and Data Guard. The candidate will independently own the database track of a migration program engaging with the customer to gather requirements, documenting current, intermediate, and target-state database environments, and producing HLD/LLD designs for Exadata migrations.

Key Responsibilities

Exadata Architecture & Administration

• Administer and optimize Oracle Exadata Database Machine environments, including compute nodes, storage cells, and InfiniBand/RoCE fabric.

• Develop HLD, LLD, and technical architecture documentation for Exadata database environments.

• Manage Oracle RAC clusters, Automatic Storage Management (ASM), and Grid Infrastructure.

• Design and maintain Data Guard configurations for high availability and disaster recovery. Migration & Requirement Gathering

• Capture database migration requirements from the customer, including sizing, downtime windows, and dependencies.

• Document current-state database environment (platform, version, size, dependencies, integrations).

• Define intermediate and target-state Exadata architecture and migration approach.

• Lead database migrations to/from Exadata using RMAN, Data Pump, Oracle GoldenGate, and cross-platform transportable tablespaces.

• Develop migration runbooks, cutover plans, validation scripts, and rollback procedures. Platform Operations

• Perform Exadata quarterly patching using OEDA/patchmgr, including storage cell, compute node, and InfiniBand switch patching.

• Perform performance tuning, SQL optimization, and capacity planning across the Exadata estate.

• Manage backup and recovery strategy using RMAN integrated with enterprise backup platforms. Documentation & Leadership

• Produce architecture diagrams, SOPs, runbooks, and customer-facing design documentation.

• Act as the technical SME for Oracle Exadata technologies; mentor engineers and lead governance reviews. Required Skills

• Oracle Database (19c/21c)

• Oracle Exadata Database Machine

• Oracle RAC & Grid Infrastructure

• Automatic Storage Management (ASM)

• Oracle Data Guard

• RMAN backup & recovery

• Oracle GoldenGate

• Exadata patching (OEDA, patchmgr)

• Oracle Enterprise Manager

• Linux administration (Oracle Linux)

Preferred Experience

• 8+ years of Oracle DBA experience, with L3/L4 Exadata platform expertise. • Proven experience leading database migrations to/from Exadata as part of data center or platform transformation programs.

• Experience authoring HLD/LLD and current/intermediate/target-state documentation for customer delivery.

Oracle certifications (OCP/OCE Exadata) preferred.