Senior AIX & Linux Platform Lead (Hybrid - Mexico)

BULL-IT SOLUTIONS LTD; Región Centro, Monterrey; Hybrid; MXN 900,000 - 1,300,000; Full time

Job summary

BULL-IT SOLUTIONS LTD is seeking an experienced Senior IT Infrastructure Engineer to lead AIX and Linux operations, ensure stable and efficient infrastructure performance, and coordinate with customers and external vendors.

The role demands 10+ years of hands-on AIX and Linux expertise, plus strong collaboration with L2/L3 teams and service providers to drive incidents, changes, and improvements across the estate.

Qualifications

• 10+ years of experience in AIX and Linux infrastructure administration, engineering, and operational support.
• Proven experience leading or coordinating L3 infrastructure support for critical production systems.
• Extensive hands-on experience with lifecycle management, upgrades, patching, and performance tuning in large AIX/Linux environments.
• Experience with VIOS upgrades and Power Path migrations.
• Strong communication skills and ability to coordinate with distributed teams.

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 End of Life upgrade programs.
• Execute AIX OS upgrades and VIOS upgrades; plan migration to MPIO.
• Oversee patching, vulnerability remediation, security hardening, audit compliance, and risk mitigation.
• Create and maintain operational procedures, documentation, and knowledge articles.
• Use scripting to automate day-to-day operational tasks.

Skills

AIX administration

Linux administration

Incident management

Leadership

VMware/VIOS

Scripting (Shell/Bash)

IT service management

Tools

AIX

RHEL/Linux

VIOS

NIM

PowerPath/MPIO

ServiceNow

Job description

BULL-IT SOLUTIONS LTD is seeking an experienced Senior IT Infrastructure Engineer to lead AIX and Linux operations, ensure stable and efficient infrastructure performance, and coordinate with customers and external vendors.

The role demands 10+ years of hands-on AIX and Linux expertise, plus strong collaboration with L2/L3 teams and service providers to drive incidents, changes, and improvements across the estate.