Senior AIX L3 Engineer — Power Systems, HA & DR

HCLTech; Riyadh; On-site; SAR 300,000 - 500,000; Full time

Job summary

HCLTech in Riyadh, Saudi Arabia, seeks an experienced AIX L3 Support Engineer to manage a large IBM Power/AIX environment. Deep expertise in AIX, VIOS, HMC, Power Systems, SAN storage, and high-availability clustering is required; Linux tasks at L2 level will also be part of the role.

The role supports mission-critical systems with uptime, security, audits, and compliance. You will lead upgrades, migrations, DR exercises, and infrastructure transformations independently, coordinating with

Qualifications

• 7–12+ years of hands-on AIX administration in an L3 role.
• Strong expertise in IBM Power Systems (Power9/Power10), VIOS, HMC, NIM.
• Proven experience with firmware upgrades, SAN migrations, DR exercises, and enterprise-scale system upgrades.
• Solid understanding of PowerHA clustering, virtualization technologies, and multipath/storage concepts.
• Linux administration capability at L2 level (RHEL/SUSE/Oracle Linux).

Responsibilities

• Provide full L3 support for AIX systems including installation, patching, OS upgrades, tuning, and troubleshooting.
• Administer LPARs, DLPAR operations, system performance tuning, filesystem/LVM management, and capacity optimization.
• Manage and maintain high-availability environments including PowerHA clusters and replication setups.
• Handle VIOS patching, upgrades, and virtual I/O management.
• Perform HMC software updates, release upgrades, service pack installations, and configuration standardization.
• Support virtualization activities for cross-platform teams.
• Lead yearly DR exercises, performing end-to-end failover testing, environment validation, and recovery procedures.

Skills

AIX administration

Power Systems

VIOS

HMC

NIM

PowerHA clustering

Linux L2 tasks

SAN migrations

DR exercises

OS upgrades

Tools

HMC

NIM

VIOS

Job description

HCLTech in Riyadh, Saudi Arabia, seeks an experienced AIX L3 Support Engineer to manage a large IBM Power/AIX environment. Deep expertise in AIX, VIOS, HMC, Power Systems, SAN storage, and high-availability clustering is required; Linux tasks at L2 level will also be part of the role.

The role supports mission-critical systems with uptime, security, audits, and compliance. You will lead upgrades, migrations, DR exercises, and infrastructure transformations independently, coordinating with