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.

Key Responsibilities

Platform Architecture & Engineering

• 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

IBM Power & Virtualization Expertise

• Deep expertise in PowerVM, VIOS, and advanced AIX virtualization
• Architect and manage:
  • HMC environments (v9 & v10)
  • Power8, Power9, and Power10 systems
  • 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

Lifecycle Management & Migrations

• 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)
  • Hardware refresh and data center migrations
  • Storage and SAN migrations
• Own and optimize NIM (Network Installation Manager) design and usage
• Design zero‑downtime or minimal‑impact migration strategies

Performance, Reliability & Resilience

• 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

Incident, RCA & Problem Management

• 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

Automation & Continuous