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.

📌 AIX/Linux Administrator (Ciudad de México)
🏢 Bull-It Solutions
📍 Ciudad de México