AIX L3 Support Engineer

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

Role: AIX L3 Support Engineer (with Linux L2 Skills)

Location: Riyadh KSA

Experience: 7–12 Years

Shift: 24/7 Support

Environment: Highly Critical Enterprise Banking Infrastructure

Job Summary

We are seeking an experienced AIX L3 Support Engineer to support and manage a large-scale IBM Power/AIX environment. The role requires deep expertise in AIX, VIOS, HMC, Power Systems, SAN storage, and high-availability clustering, along with the ability to handle Linux L2-level tasks.

This position supports mission-critical systems with strict uptime, security, audit, and compliance requirements. The engineer must be capable of independently executing complex upgrades, migrations, DR exercises, and infrastructure transformation initiatives.

Responsibilities

AIX & Power Systems Administration

• Provide full L3 support for AIX systems including installation, patching, OS upgrades, tuning, and troubleshooting.
• Administer logical partitions (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 (SEA, NPIV, vSCSI, vFC) management.
• Perform HMC software updates, release upgrades, service pack installations, and configuration standardization.
• Support virtualization activities for cross-platform teams.

Firmware & Hardware Lifecycle

• Plan and execute firmware upgrades on IBM Power Systems (Power9/Power10 or equivalent).
• Coordinate hardware activities with data center and vendor teams.

Storage & SAN Integration

• Lead SAN storage migrations across multi-vendor platforms (3PAR/Unity/IBM or equivalent).
• Perform LUN provisioning/decommissioning, zoning coordination, multipath validation, and host mappings.
• Troubleshoot storage connectivity and performance issues.

Disaster Recovery & High Availability

• Lead yearly DR exercises, performing end-to-end failover testing, environment validation, and recovery procedures.
• Support DR planning activities including system replications, fallback procedures, and post-DR readiness.

Security, Audits & Compliance

• Address OS-level vulnerabilities (CVEs), apply hardening, and maintain compliance posture.
• Support internal and external audits by preparing documentation, system evidence, and remediation activities.

Project Execution

• Participate in and lead infrastructure initiatives including:
• Data center migrations and platform consolidation
• Storage and virtualization modernization
• Infrastructure automation or standardization
• Prepare change plans, impact assessments, test plans, rollback strategies, and execute changes with zero-defect methodology.
• Perform Linux L2 tasks including user management, patching, service monitoring, log analysis, cron, and basic network troubleshooting.
• Support integrated environments involving both AIX and Linux platforms.

Operational Excellence

• Conduct proactive monitoring, system health checks, and risk identification.
• Maintain accurate documentation including SOPs, build documents, DR runbooks, and configuration records.
• Coordinate with cross-functional teams and vendors to resolve incidents and deliver planned activities.
• Ensure all changes are executed with minimal downtime and high precision.

Requirements

Technical Skills

• 7–12+ years of hands-on AIX administration in an L3 role.
• Strong expertise in IBM Power Systems (Power9/Power10), VIOS, HMC, NIM, AIX 6.1/7.1/7.2.
• 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).

Process Skills

• Strong understanding of ITIL processes: Incident, Problem, and Change Management.
• Experience working in regulated environments with audit and compliance requirements.

Soft Skills

• Excellent communication and stakeholder coordination abilities.
• Strong analytical skills with the ability to troubleshoot complex technical issues.
• High ownership, independence, and ability to run critical activities end-to-end.
• Willingness to support after-hours change windows and on‑call rotations.

Why This Role Is Important

• Supports highly critical production environments requiring stringent uptime, performance, and compliance.
• Involves enterprise-level modernization projects such as OS upgrades, storage transitions, and data center migrations.
• Ensures resilience, security, and stability of core business systems running on IBM Power/AIX platforms.