– RHEL/CentOS/Oracle Linux or similarAIX LVM / Linux LVMAIX patching, TL/SP upgrades and troubleshootingLinux OS patching and package managementShell/Bash scriptingNFS, SSH, DNS and TCP/IPUser, group, filesystem and permission managementPerformance monitoring and troubleshootingSecurity hardening and vulnerability remediationIBM Power / PowerVM / LPAR concepts