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.

📌 Lead AIX/ Linux System Engineer (Ciudad de México)
🏢 Bull-It Solutions
📍 Ciudad de México