Job Description
Job Description – AIX L3 Support Engineer (KSA-Based) 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. VIOS, Virtualization & HMC Management - 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: - OS upgrades (e.g., AIX 7.2) - 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. Linux Administration (L2 Level) - 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.