Senior AIX Specialist

Key Responsibilities

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 Administration

IBM Power Systems (Power8, Power9, and Power10)

PowerVM Virtualization and LPAR Management

VIOS (Virtual I/O Server) Administration

Hardware Management Console (HMC) Administration

PowerHA Cluster Administration and Troubleshooting

GPFS / IBM Storage Scale Administration

Network Installation Manager (NIM) Administration

Power Systems Firmware, AIX TL/SP Upgrades, and Patch Management

Operating System Hardening, Security Compliance, and Vulnerability Remediation

System Performance Analysis, Tuning, and Capacity Planning

Shell Scripting (ksh/bash) and AWK Scripting

Disaster Recovery Planning and High Availability Solutions

Incident 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.

Skills: IBM AIX Administration , IBM Power Systems , PowerVM Virtualization