Senior System Engineer

Job Description – AIX L3 System Administrator

Key Responsibilities

AIX & pSeries Administration

• Install, configure, administer, and maintain IBM AIX servers in enterprise environments
• Perform AIX OS administration, kernel management, and LVM management
• Manage user administration, security policies, password, and identity management
• Administer system services such as NIS, NFS, Samba, and printer services

Virtualization & Power Platform

• Strong expertise in PowerVM / VIOS, HMC, and AIX virtualization
• Build and administer VIOS servers
• Manage HMC administration and upgrades (Version 9 & 10)
• Deep knowledge of Power8, Power9, and Power10/11 pSeries architectures
• Expert understanding of:
  • DLPAR
  • LPM (Live Partition Mobility)
  • Virtual networking
  • Virtual storage
  • SR-IOV, vNIC adapters
• Hands-on experience with NPIV and SAN-attached storage

Build, Migration & Lifecycle Management

• Perform AIX server build and configuration using best practices
• Manage NIM (Network Installation Manager) for OS deployment and maintenance
• Execute OS patching, upgrades, and VIOS upgrades
• Lead and execute AIX OS migrations: 6.1, 7.1, 7.2, 7.3.
• Perform hardware refresh, storage migration, and platform migrations
• Experience in pSeries hardware commissioning and implementation

Performance, HA & DR

• Analyze resource utilization and system performance
• Perform performance tuning and capacity planning
• Strong experience in storage management, SAN environments, and HA concepts
• Design and support Fault Tolerant systems, Business Continuity, and Disaster Recovery planning

Incident, RCA & Operations

• Act as final escalation point for complex AIX and hardware-related issues
• Strong in hardware and OS-level troubleshooting
• Lead Major Incident troubleshooting and RCA
• Perform trend analysis, identify recurring issues, and drive corrective actions
• Coordinate with hardware vendors for issue resolution
• Plan, schedule, and execute changes; coordinate with cross-functional stakeholders
• Prepare weekly and monthly operational status reports
• Adhere to ITIL processes, quality, and security standards

Automation & Documentation

• Develop Shell / Perl scripts to automate day-to-day administration tasks
• Maintain and update technical documentation, SOPs, and knowledge base
• Support continuous knowledge acquisition and documentation updates

Leadership & Collaboration

• Provide technical SME support across projects and operations
• Work closely with application, database, storage, network, and cloud teams
• Communicate effectively with interdisciplinary technical and non-technical teams
• Work in rotational shifts and on-call support models

Required Skills & Experience

• 8–12+ years of hands-on experience in IBM AIX and pSeries administration
• Deep understanding of IBM AIX OS and Power Systems architecture
• Strong experience with PowerVM, VIOS, HMC
• Excellent troubleshooting skills for OS and hardware issues
• Strong scripting skills (Shell, Perl)
• Experience in enterprise production environments

Preferred Qualifications

• IBM Certifications in:
  • AIX System Administration
  • pSeries Hardware
  • Performance Tuning
  • Network Administration
• Experience in large, mission-critical environments
• Exposure to hybrid or cloud-integrated IBM Power workloads

Professional Attributes

• Strong analytical and problem-solving skills
• Ability to diagnose and resolve issues quickly under pressure
• Excellent communication and documentation skills
• Proactive, detail-oriented, and ownership-driven mindset
• Team-oriented approach with mentoring and knowledge-sharing attitude