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Job Title: IT Oracle Database AdministratorDuration: 6 monthsLocation: Reading/Havant/Perth Job Description:We are seeking an experienced Oracle Database Administrator to manage, optimise, and secure Oracle database environments on Red Hat Enterprise Linux (RHEL) as well as Azure and AWS cloud platforms. The ideal candidate will have strong expertise in Oracle administration, performance tuning, automation, and cloud-native deployments. Key ResponsibilitiesDatabase Installation & Configuration Install, configure, and upgrade Oracle Database software on Red Hat Enterprise Linux (RHEL) systems.Configure and manage database storage structures including tablespaces, data files, and Oracle Automatic Storage Management (ASM).Support cloud database deployments and hybrid setups in Azure and AWS (IaaS, PaaS, lift-and-shift, storage integration). Security & Access Management Administer users, roles, privileges, and authentication.Implement encryption, auditing, and compliance controls.Apply quarterly CPU/RU patches across environments. Performance Monitoring & TuningMonitor and analyse performance using: AWR (Automatic Workload Repository) - for gathering performance statistics and generating reports on system load.ASH (Active Session History) - for real-time session-level performance diagnostics.ADDM (Automatic Database Diagnostic Monitor) - for automated analysis and tuning recommendations.OEM (Oracle Enterprise Manager) - for centralised monitoring, alerting, and automation.OS-level tools such as top, vmstat, sar, iostat, netstat, lsof, dstat, and systemd journal logs to diagnose CPU, memory, disk I/O, and network issues.Tune SQL,