Senior AIX/Linux Infrastructure Lead (Power Systems)

Infosys Limited; Monterrey; On-site; MXN 800,000 - 1,200,000; Full time

Job summary

Infosys Limited is seeking an experienced L3 AIX/Linux Administrator to lead operational support for Unix/Linux infrastructure. The role will involve platform administration, lifecycle management, incident resolution, change and problem management, and modernization initiatives across enterprise systems.

You will lead the AIX and Linux operations team, drive complex incident resolution, coordinate with IBM and Red Hat, implement ITSM processes via ServiceNow, and execute upgrade programs

Qualifications

• 10+ years of experience in AIX and Linux infrastructure administration.
• Experience leading or coordinating L3 infrastructure support for production systems.
• Extensive hands-on experience managing large-scale AIX and Linux environments, including lifecycle management, upgrades, patching, performance tuning, capacity planning, and troubleshooting.
• Hands-on experience with VIOS upgrades and Power Path migrations.
• Experience managing vulnerability remediation, security compliance, audit activities, and infrastructure risk across AIX and Linux platforms.
• Strong written and verbal communication skills, including the ability to explain technical risks, plans, and outcomes to stakeholders.

Responsibilities

• Lead AIX and Linux operations team and interface with Customer ensuring stable and efficient operation of the infrastructure estate.
• Own and drive the resolution of complex incidents, major incidents, escalations, and recurring problems across AIX & Linux operating systems.
• Provide technical guidance to L2 support teams and coordinate with IBM, Red Hat and application teams for complex troubleshooting.
• Lead Incident, Request, Change, and Problem Management activities using IT service management processes and ServiceNow.
• Develop and execute lifecycle and refresh activities for AIX and Linux platforms including lead and drive ongoing AIX End of life upgrade program in FY 2027.
• Execute AIX operating system upgrades and VIOS upgrades
• Plan, coordinate, and execute Power Path v7 to MPIO migration
• Oversee AIX and Linux patching, vulnerability remediation, security hardening, audit compliance, and risk mitigation in coordination with application owners.
• Create and maintain operational procedures, technical documentation, implementation plans, rollback plans, and knowledge articles.
• Use scripting to automate day-to-day operational tasks.

Skills

AIX administration

RHEL administration

LPAR management

NIM administration

VIOS management

PowerVM virtualization

PowerHA clustering

MPIO migration

Disk management

OS upgrades

Patching

Vulnerability remediation

Security hardening

Audit compliance

Scripting (Shell/Bash)

Python/Ansible

Dynatrace

Delinea

GPFS

PowerPath

Tools

ServiceNow

PowerVM

VIOS

Red Hat Satellite

Job description

Infosys Limited is seeking an experienced L3 AIX/Linux Administrator to lead operational support for Unix/Linux infrastructure. The role will involve platform administration, lifecycle management, incident resolution, change and problem management, and modernization initiatives across enterprise systems.

You will lead the AIX and Linux operations team, drive complex incident resolution, coordinate with IBM and Red Hat, implement ITSM processes via ServiceNow, and execute upgrade programs