Senior / Lead Aix, Linux & Storage Administrator

Description:

Required Skills & Experience:

• Architect, deploy, and manage large-scale IBM POWER SERVERS / AIX and Linux environments
• Perform complex OS migrations, SP / TL upgrades,
• VIOS upgrades, backups, and dual-VIOS redundancy.
• Advanced performance tuning (CPU, memory, I/O, kernel parameters)
• Deep expertise in LVM, filesystem tuning, multipathing (MPIO)
• Implement OS hardening, RBAC, sudo policies, and system auditing.
• Shared adapter configuration Vlan tagging
• HMC Backup / LPAR configuration and profile backup restore
• PowerVM Live Partition Mobility configuration and validation migration
• Design and enforce enterprise OS standards, baselines, and hardening
• Advanced administration of IBM PowerVM, HMC, VIOS, LPARs, Shared Storage Pools
• Conduct regular AIX and Redhat Linux system updates, upgrade kernel and apply patches,
• Monitor system performance, capacity, and availability
• Design and manage LPAR capacity planning, CPU/memory allocation, and dynamic resource adjustments (DLPAR)
• Troubleshoot OS-level issues and perform root cause analysis
• Automate routine tasks using shell scripting (ksh, bash, Python)
• Manage enterprise storage systems (IBM, NetApp, EMC)
• Provision, allocate, and decommission storage (SAN, NAS)
• Configure and maintain SAN zoning and LUN masking
• Manage storage replication, snapshots, and backups
• Perform storage capacity planning and performance tuning
• Support storage for databases, applications, and virtualization platforms