Oracle Internet Directory, Bash Scripting, Oracle Enterprise Manager, Oracle Access Manager, Data Guard, Oracle RAC Real Application Cluster, TLS Transport Layer Security 1.2, RMAN backup and configuration, Oracle database 19c, ORDS Oracle REST Data Services, EBS full stack security patching, RHEL OS Red Hat Enterprise Linux Operating System, Oracle Apex Application Express, Oracle EBS E-Business Suite Applications 12.2, Oracle ASM Automatic Storage Management, WebLogic Fusion Middleware, Oracle ECC Enterprise Command Centre