Senior Oracle Exadata Database Administrator

We are seeking a seasoned Oracle Exadata DBA with 15-16+ years of hands-on experience managing large-scale, mission-critical Oracle database environments. The ideal candidate has deep expertise administering multi-node RAC clusters on Exadata, handling databases at multi-terabyte scale, and driving performance, availability, and recoverability for enterprise production systems. Experience in the banking/financial services domain is a strong plus.

• Administer, monitor, and support Oracle Exadata Database Machine environments (X8/X9/X10 or equivalent) across production, DR, and non-production tiers
• Manage multi-node RAC clusters - instance/node addition-removal, interconnect and ASM configuration, load balancing, and failover validation
• Own performance tuning and capacity planning for databases exceeding multiple terabytes, including SQL tuning, AWR/ASH analysis, Smart Scan/storage cell optimization, and I/O resource management (IORM)
• Lead backup, recovery, and disaster recovery strategy using RMAN and Data Guard, including regular DR drills and recovery time/point objective (RTO/RPO) validation
• Plan and execute Exadata patching (storage cell, compute node, GI, database homes), quarterly bundle patches, and version upgrades with minimal downtime
• Drive high availability architecture decisions - RAC, Data Guard, Golden Gate (if applicable) - to meet enterprise uptime SLAs
• Implement and maintain database security, auditing, and compliance controls appropriate for regulated environments
• Troubleshoot complex production issues (performance degradation, node evictions, storage cell faults, interconnect issues) with vendor (Oracle Support) engagement as needed
• Partner with infrastructure, storage, and network teams on Exadata capacity expansion, hardware refresh, and migration projects
• Mentor junior DBAs and contribute to runbooks, standard operating procedures, and knowledge transfer documentation
• Participate in on-call rotation and support critical incident/change management processes

• 15-16+ years of Oracle DBA experience, with a significant portion on Exadata/Engineered Systems
• Proven experience managing databases at multi-terabyte scale in production
• Strong hands-on expertise with Oracle RAC in multi-node cluster configurations
• Deep knowledge of Oracle ASM, Grid Infrastructure, RMAN, Data Guard
• Strong performance tuning skills (SQL, instance-level, Exadata-specific: Smart Scan, Storage Indexes, Hybrid Columnar Compression, IORM)
• Experience with Exadata patching, upgrades, and lifecycle management
• Solid understanding of Linux administration as it relates to Oracle database environments
• Experience with Oracle 19c (and/or 21c) is expected
• Strong incident management and root-cause analysis skills for high-severity production issues
• Excellent communication skills - able to work directly with client stakeholders and cross-functional teams

• Experience supporting banking, financial services, or other highly regulated environments
• Exposure to Oracle Golden Gate, OCI (Oracle Cloud Infrastructure), or Exadata Cloud@Customer
• Oracle certifications (OCP/OCE - RAC and Exadata specialization)
• Experience with Enterprise Manager Cloud Control (OEM) for monitoring and administration
• Familiarity with ITIL-based change/incident/problem management processes