powervm , File System Management, Powerha, Backup Solutions, shell scripting, Gpfs, Hacmp, Scripting Languages, AIX System Administration, Bash, Vios, Nim, Incident Management, Itil Processes, Operating System Internals, Capacity Planning, disaster recovery setups, AIX 7.x and above, JFS2, Korn, Network Installation Manager, system performance tuning, Root Cause Analysis, command-line tools, Troubleshooting, SAN storage provisioning