AIX/Linux SME

Infosys Limited; Región Centro; Hybrid; MXN 900,000 - 1,300,000; Full time

Job summary

Infosys Limited in Mexico seeks an experienced L3 AIX/Linux Administrator to lead operational support for Unix/Linux infrastructure, including platform administration, lifecycle management, and incident resolution. You will supervise AIX and Linux operations, drive complex problem resolution, collaborate with IBM, Red Hat, and application teams, and guide L2 staff through ITSM processes.

The role emphasizes automation, upgrades, patching, and security hardening with a focus on Power systems,

Qualifications

• 10+ years of experience in AIX and Linux infrastructure administration, engineering and support.

Responsibilities

• Lead AIX and Linux operations team and interface with Customer ensuring stable operation of the infrastructure estate.

Skills

AIX administration

RHEL/Linux administration

Incident resolution

L3 infrastructure support

PowerVM virtualization

LPAR management

NIM administration

VIOS management

Patching & upgrades

Automation scripting

Tools

ServiceNow

PowerVM

NIM

VIOS

Dynatrace

Delinea

GPFS

Job description

Role Summary

We are 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, Request, change and problem management along with modernization initiatives.

Project Activities & 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.

Technologies/Platforms (Mandatory)

• IBM AIX 5,6,7.1,7.2, 7.3 administration in enterprise environments.
• Red Hat Enterprise Linux 6, 7, 8, and 9 administrations.
• IBM Power Systems P8, P9, and P10, including Virtual I/O Server versions 3 and 4 administration and lifecycle management.
• Red Hat Satellite for License/Patch Management
• IT service management platforms, preferably ServiceNow, supporting Incident, Request, Change, and Problem Management.

Technical Skills (Mandatory)

• Advanced administration and troubleshooting of IBM AIX and RHEL/Linux versions.
• Expertise in
• LPAR management
• NIM administration
• VIOS management
• Power VM virtualization.
• PowerHA/HACMP clustering administration.
• Power Path troubleshooting and migration to MPIO.
• Multipathing and disk management
• Power Path troubleshooting and migration to MPIO.
• Strong skills in
• Operating system upgrades & migrations
• Server Build (Physical & Virtual)
• Server decommissioning
• Patching, and maintenance lifecycle management.
• Vulnerability remediation, security hardening, audit support, and compliance evidence.

Desired Skills (Preferred/Good to have)

• Automations skills: Shell scripting, Bash, Ansible, Python
• Knowledge of enterprise backup and recovery solutions
• Enterprise monitoring and privileged-access solutions such as Dynatrace, Delinea knowledge
• GPFS upgrades, updates, administration, and troubleshooting
• Performance tuning, Capacity optimization

Required Experience and 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 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.
• Ability to work independently, lead technical activities, manage priorities, and support distributed teams.

About Us

Infosys is a global leader in next-generation digital services and consulting. We enable clients in more than 50 countries to navigate their digital transformation. With over four decades of experience in managing the systems and workings of global enterprises, we expertly steer our clients through their digital journey. We do it by enabling the enterprise with an AI-powered core that helps prioritize the execution of change. We also empower the business with agile digital at scale to deliver unprecedented levels of performance and customer delight. Our always-on learning agenda drives their continuous improvement through building and transferring digital skills, expertise, and ideas from our innovation ecosystem.

EEO

Infosys provides equal employment opportunities to applicants and employees without regard to race; color; sex; gender identity; sexual orientation; religious practices and observances; national origin; pregnancy, childbirth, or related medical conditions; status as a protected veteran or spouse/family member of a protected veteran; or disability.