Job Title: Oracle EBS Exadata DBAEngagement Type: 6-Month Contract (Potential for extension)Location: London, UK (Hybrid: 1 day per week onsite, flexible)Position OverviewWe are seeking a seasoned Oracle Apps DBA to manage, optimize, and secure our mission-critical Oracle E-Business Suite (EBS) and underlying database infrastructure. This hands-on, enterprise-level role requires expertise across application, database, operating system, and cloud/infrastructure domains. The ideal candidate will possess robust troubleshooting capabilities and practical experience with cloud migration initiatives (OCI or Microsoft Azure).Core Responsibilities1. Oracle EBS and Technology Stack AdministrationManage and maintain Oracle EBS (R12) across non-production and production environments.Perform application cloning, environment refreshes, and technology stack patching (AD/TXK utilities).Administer application-tier components: WebLogic, Oracle HTTP Server (OHS), Forms, Reports, Concurrent Managers, and Workflow.Oversee context file management, AutoConfig maintenance, and system integration points.2. Database Administration and High AvailabilityConfigure, maintain, and tune high-availability Oracle Databases supporting EBS (including Oracle RAC).Execute database cloning, upgrades, patching, and cross-platform migrations.Conduct performance diagnostics and tuning using AWR, ASH, execution plans, and trace files to resolve locks, resource contention, and wait events.Implement disaster recovery ..... full job details .....