Senior AIX Specialist

Dicetek LLC; Abu Dhabi; On-site; AED 450,000 - 700,000; Full time

Job summary

Dicetek LLC is seeking an experienced IBM AIX Administrator to design, implement, and support AIX environments across production and disaster recovery sites in Abu Dhabi. The role covers Power8/9/10 servers, LPAR provisioning, VIOS, PowerVM, HMC, PowerHA, GPFS, NIM, and security remediation.

You will develop automation with Shell, KornShell, and Ansible, monitor performance, and participate in DR exercises and on-call rotations.

Qualifications

• Minimum 16 years of hands-on experience in IBM AIX administration.
• Experience supporting mission-critical enterprise environments.
• Experience managing large-scale production and disaster recovery infrastructures.
• Experience in regulated environments with strict availability, security, and compliance.
• Exposure to Banking/Financial Services is an advantage.

Responsibilities

• Administer, configure, maintain and support IBM AIX environments across production and disaster recovery sites.
• Manage IBM Power Systems infrastructure including Power8/Power9/Power10 servers and LPAR provisioning.
• Administer VIOS, PowerVM virtualization, Shared Processor Pools and virtual I/O configurations.
• Implement, administer and troubleshoot PowerHA clusters and GPFS/Storage Scale environments.
• Perform AIX TL/SP upgrades, firmware upgrades, patch management and security remediation.
• Administer and maintain NIM infrastructure including OS deployment, alternate disk installation and mksysb recovery.
• Monitor system performance, and carry out advanced performance tuning and capacity planning.
• Develop automation scripts using Shell, KornShell and Ansible.
• Troubleshoot and resolve complex system hardware and OS issues; participate in DR planning and testing.
• Provide 24/7 support and participate in on-call rotations; lead RCA and preventive actions.

Skills

IBM AIX Administration

Power Systems

PowerVM Virtualization

LPAR Management

VIOS Administration

HMC Administration

PowerHA Clusters

GPFS / Storage Scale

NIM Administration

OS Hardening

Performance Tuning

Shell Scripting

Ansible

Disaster Recovery Planning

Incident/Problem/RCA

Tools

HMC

NIM

AIX TL/SP Upgrades

Job description

Administer configure maintain and support IBM AIX environments across production and disaster recovery sites Manage IBM Power Systems infrastructure including Power8 Power9 and Power10 servers Perform LPAR provisioning migration administration and lifecycle management Administer and maintain VIOS servers PowerVM virtualization Shared Processor Pools and virtual I O configurations Manage and maintain Hardware Management Consoles HMCs Implement administer and troubleshoot PowerHA clusters and GPFS IBM Storage Scale environments Perform AIX TL SP upgrades firmware upgrades patch management and security remediation activities Administer and maintain NIM infrastructure including OS deployment alternate disk installation and mksysb recovery Monitor system performance and carry out advanced performance tuning and capacity planning Develop and maintain automation scripts using Shell KornShell and Ansible Troubleshoot and resolve complex system hardware and operating system issues Collaborate with application database storage network and cybersecurity teams Participate in disaster recovery planning failover testing and business continuity exercises Provide 24 7 operational support and participate in on-call rotations Lead Root Cause Analysis RCA activities and implement preventive actions for critical incidents

Required Skills

IBM AIX AdministrationIBM Power Systems (Power8, Power9, and Power10)PowerVM Virtualization and LPAR ManagementVIOS (Virtual I/O Server) AdministrationHardware Management Console (HMC) AdministrationPowerHA Cluster Administration and TroubleshootingGPFS / IBM Storage Scale AdministrationNetwork Installation Manager (NIM) AdministrationPower Systems Firmware, AIX TL/SP Upgrades, and Patch ManagementOperating System Hardening, Security Compliance, and Vulnerability RemediationSystem Performance Analysis, Tuning, and Capacity PlanningShell Scripting (ksh/bash) and AWK ScriptingDisaster Recovery Planning and High Availability SolutionsIncident Management, Problem Management, and Root Cause Analysis (RCA)

Required Experience / Knowledge Areas

Minimum 16 years of hands-on experience in IBM AIX administration.Experience supporting mission-critical enterprise environments.Experience managing large-scale production and disaster recovery infrastructures.Experience working in highly regulated environments with strict availability, security, and compliance requirements.Exposure to Banking and Financial Services industry is an advantage.Understanding of ITIL-based service management processes, including Incident, Problem, Change, and Release Management.Experience supporting 24x7 production environments with stringent SLA requirements.SkillsIBM AIX AdministrationIBM Power SystemsPowerVM Virtualization