• Serve as the technical Oracle Applications DBA lead for long-term Operations & Maintenance (O&M) of OCI environments, owning operational stability, performance, and continuous service improvement across the engagement lifecycle. • Lead and manage large-scale O&M activities including production support, release management, environment migrations, environment refreshes and cloning, and complex infrastructure troubleshooting. • Perform and oversee hands-on Oracle EBS Applications DBA functions including adop patching, AutoConfig, full APPL_TOP cloning, Concurrent Manager configuration and tuning, OAM, Forms/Reports administration, Workflow, and XML/BI Publisher. • Lead platform and cloud migration initiatives, including Solaris to Linux migrations onto Exadata and OCI. • Deliver Oracle Infrastructure and Cloud Data/BI solutions, ensuring operational outcomes align with client SLAs and business expectations. • Plan, schedule, and execute quarterly security patch cycles for the full Oracle stack, including CPU/RU database patches and RUP/AD/TXK, WebLogic, OHS, JDK, and APPL_TOP patches. • Design and operate centralized monitoring and alerting frameworks for high availability components. • Implement and manage OEM Cloud Control monitoring, including agent deployment and configuration, metric thresholds, incident rules. • Lead Oracle performance tuning across database and application tiers, supporting development teams with SQL and execution plan analysis. • Own disaster recovery readiness end to end, including Data Guard configuration and alerting, scheduled DR testing (switchover and failover validation). • Drive automation of routine DBA tasks through scripting and RPA to reduce manual effort. • Own ITIL-aligned Incident, Problem, and Change Management for DBA workstream. • Establish and govern deployment and change management processes for database changes. • Establish, document, and enforce SOPs and operational standards under formal document management.