We are seeking an experienced L3 AIX/Linux Administrator to lead operational support for Unix/Linux infrastructure. 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.
Oversee AIX and Linux patching, vulnerability remediation, security hardening, audit compliance, and risk mitigation in coordination with application owners.
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.
Advanced administration and troubleshooting of IBM AIX and RHEL/Linux versions.




Server Build (Physical & Virtual)
Server decommissioning
Shell scripting, Bash, Ansible, Python
Enterprise monitoring and privileged-access solutions such as Dynatrace, Delinea knowledge
Performance tuning, Capacity optimization
10+ years of experience in AIX and Linux infrastructure administration, engineering, and operational support.
~ Extensive hands‐on experience managing large-scale AIX and Linux environments, including lifecycle management, upgrades, patching, performance tuning, capacity planning, and troubleshooting.
~ Experience managing vulnerability remediation, security compliance, audit activities, and infrastructure risk across AIX and Linux platforms.
~ 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 integral 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.

📌 AIX/Linux Administrator (Monterrey)
🏢 Infosys
📍 Monterrey