مسؤول قواعد بيانات تطبيقات أوراكل

An Oracle Apps DBA managing an enterprise environment with RAC (Real Application Clusters), ASM (Automatic Storage Management), and multi-node architecture oversees a tiered setup where multiple application servers connect to a clustered, shared-storage database backend. Architecture Overview Application Tier (Multi-Node): Runs Oracle E-Business Suite (or similar enterprise apps) across multiple application nodes handling WebLogic, forms, reports, and concurrent processing. Database Tier (RAC): Runs two or more database instances on separate servers accessing the same database files simultaneously. Storage Tier (ASM): Provides clustered, shared volume and disk group management across all database nodes using Cache Fusion for block synchronization. Core Administration Tasks Startup & Shutdown Sequence Start Grid Infrastructure / ASM first Start database instances via srvctl Start application tier services across all nodes using respective run/patch file system scripts ([Link] startall.sh). Day-to-Day Monitoring Check cluster resource health Check ASM disk group status via asmcmd or SQL queries Monitor multi-node application services status across all application instances. Patching & Maintenance Perform rolling upgrades on RAC database nodes to ensure zero downtime. Apply AD/TXK patches on the application tier while managing multi-node context files Requirements Bachelor’s degree in Computer Science, Information Technology, Computer Engineering, Software Engineering Oracle Database administration certification is an advantage. Oracle E-Business Suite / Oracle Applications training is highly desirable. Linux/Unix administration certification or training is beneficial. Cloud/OCI knowledge is an advantage for modern EBS environments.