This is a full-time hybrid position.
This position is available for Guadalajara,Mexico City,and Monterrey locations.Only candidates who are currently based in Mexico are eligible to apply.Project Activities & ResponsibilitiesLead 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 ****.Execute AIX operating system upgrades and VIOS upgradesPlan, coordinate, and execute Power Path v7 to MPIO migrationOversee 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 ManagementIT 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.LPAR managementNIM administrationPower Path troubleshooting and migration to MPIO.Multipathing and disk managementPower Path troubleshooting and migration to MPIO.Strong skills inOperating system upgrades & migrationsServer Build (Physical & Virtual)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, PythonKnowledge of enterprise backup and recovery solutionsEnterprise monitoring and privileged-access solutions such as Dynatrace, Delinea knowledgeGPFS upgrades, updates, administration, and troubleshootingPerformance tuning, Capacity optimizationRequired Experience and Qualifications10+ years of experience in AIX and Linux infrastructure administration, engineering, and operational support.Proven experience leading or coordinating L3 infrastructure support for critical production systemsExtensive 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.
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📌 Aix/Linux Administrator (Jalisco)
🏢 Bull-It Solutions
📍 Jalisco