AIX L3 Support Engineer

Overview

We are recruiting an experienced AIX L3 Support Engineer to manage and maintain a large-scale IBM Power/AIX infrastructure based in Riyadh, Saudi Arabia. This role demands advanced proficiency in AIX and Linux (L2 level), along with strong experience in virtualization, storage, high availability, and hardware lifecycle management within a mission-critical enterprise banking environment.

Key Responsibilities

• Deliver expert L3 support for AIX systems, including tasks such as installation, patching, OS upgrades, performance tuning, and troubleshooting.
• Administer logical partitions (LPARs), manage DLPAR operations, filesystem and LVM tasks, and optimize system capacity.
• Maintain and support highly available environments, including PowerHA clusters and replication configurations.
• Manage VIOS and HMC components: executing patching, upgrades, and virtual I/O management including SEA, NPIV, vSCSI, and vFC.
• Conduct firmware upgrades on IBM Power Systems (Power9/Power10), coordinating with data center and vendors for hardware lifecycle activities.
• Lead SAN storage migrations and handle LUN provisioning, zoning, multipath validations, and resolve storage connectivity or performance issues.
• Drive disaster recovery efforts with annual DR simulations, environment validation, failover testing, and implement fallback processes.
• Address security vulnerabilities at the OS level, implement hardening measures, and support audit and compliance requirements.
• Lead and participate in infrastructure projects including OS upgrades, data center migrations, platform consolidations, storage modernization, and infrastructure automation.
• Support Linux L2 administration activities such as user management, patching, service monitoring, log analysis, cron jobs, and basic networking troubleshooting.
• Perform proactive system health monitoring, maintain accurate documentation including SOPs and DR runbooks, and collaborate effectively with cross-functional teams and vendors.

Required Skills and Qualifications

• 7 to 12 years of extensive hands-on experience in AIX L3 support roles.
• Proficient with IBM Power Systems technologies including Power9 and Power10, VIOS, HMC, NIM, and AIX versions 6.1, 7.1, and 7.2.
• Demonstrated experience performing firmware upgrades, SAN storage migrations, disaster recovery processes, and enterprise-system upgrades.
• Solid understanding of PowerHA clustering, virtualization technologies, multipath I/O, and storage architecture.
• Working knowledge of Linux administration at L2 level on distributions such as RHEL, SUSE, and Oracle Linux.
• Familiarity with ITIL frameworks governing Incident, Problem, and Change Management processes.
• Experience in regulated environments requiring strict audit and compliance adherence.

Professional Attributes

• Outstanding communication skills and ability to coordinate effectively with stakeholders.
• Strong analytical problem-solving aptitude for handling complex technical issues.
• High degree of ownership with the capacity to manage critical tasks independently and drive end-to-end resolutions.
• Flexible to support after-hours maintenance windows and participate in on-call rotations.

Role Significance

This position is critical for maintaining the uptime, security, and stability of essential banking systems on IBM Power/AIX platforms. The engineer will contribute to vital modernization initiatives such as OS upgrades, data center and storage migrations, ensuring resilient and compliant infrastructure operations.