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