Expert Systems Engineer, AIX

About the role and what you’ll be doing

The AIX Expert System Engineer is a senior technical authority responsible for the architecture, engineering, optimization, and strategic evolution of IBM AIX and Power Systems environments. This role serves as the highest level of technical expertise, owning complex platform decisions, large‑scale migrations, performance engineering, automation, and resiliency design for business‑critical workloads.

• Act as technical owner and subject‑matter expert (SME) for IBM AIX and Power Systems platforms
• Design, architect, and standardize enterprise‑scale AIX and pSeries environments
• Define and maintain architecture standards, build patterns, and best practices
• Provide expert guidance for capacity planning, scalability, and platform modernization
• Review and approve complex designs related to compute, storage, virtualization, and networking

• Deep expertise in PowerVM, VIOS, and advanced AIX virtualization
• Architect and manage HMC environments (v9 & v10)
• Architecture and management of Power8, Power9, and Power
  10 systems
• Manage DLPAR, LPM, NPIV, virtual networking, virtual storage, SR‑IOV, vNIC adapters
• Lead VIOS architecture, build, upgrade, and high‑availability design
• Perform pSeries hardware commissioning, refresh, and consolidation projects

• Lead AIX OS lifecycle management, including upgrades, patching, and kernel tuning
• Architect and execute AIX OS migrations (6.1 → 7.1 → 7.2 → 7.3)
• Manage hardware refresh and data center migrations
• Lead storage and SAN migrations
• Own and optimize NIM (Network Installation Manager) design and usage
• Design zero‑downtime or minimal‑impact migration strategies

• Perform advanced performance analysis, workload optimization, and tuning
• Design high availability, fault tolerance, and resiliency models
• Define and govern Disaster Recovery (DR) and Business Continuity (BC) strategies
• Analyze platform risks and implement proactive mitigations
• Define monitoring standards and performance KPIs

• Act as final escalation authority for critical and recurring AIX incidents
• Lead Major Incident Management (MIM) and complex RCA investigations
• Perform trend analysis, identify systemic issues, and drive long‑term fixes
• Coordinate with IBM and hardware/storage vendors for deep technical resolutions

• Drive automation‑first strategy for AIX operations
• Develop and review Shell, Perl, and Python automation frameworks
• Integrate automation with Ansible or enterprise orchestration tools
• Reduce manual effort, improve consistency, and enhance platform reliability

• Ensure adherence to ITIL, security, audit, and compliance requirements
• Define technical governance and change standards for the AIX platform
• Author and maintain architecture documents, SOPs, runbooks, and KB articles
• Support audits and ensure platform compliance with enterprise policies

• Provide expert consultation to stakeholders, architects, and senior leadership
• Mentor and technically guide L3 engineers and system architects
• Support complex client engagements, audits, and transformation programs
• Communicate complex technical concepts to non‑technical audiences

• 12–15+ years of hands‑on experience in IBM AIX and Power Systems
• Expert‑level knowledge of AIX OS administration and kernel internals
• PowerVM, VIOS, and HMC expertise
• pSeries architecture mastery
• Strong expertise in SAN storage, HA, DR, and enterprise networking
• Proven experience leading large‑scale migrations and transformations
• Advanced shell scripting and automation skills
• Excellent troubleshooting and analytical capabilities

• IBM Certifications in AIX System Administration, Power Systems/pSeries Hardware, Performance Tuning, and Network Administration
• Experience in mission‑critical, regulated, or global enterprise environments
• Exposure to hybrid cloud or IBM Power on Cloud architectures

• Strategic thinker with strong…