Senior AIX & Power Systems Admin - OpenShift Virtualization

Siri InfoSolutions Inc; Irving (TX); On-site; USD 110,000 - 165,000; Full time

Job summary

Siri InfoSolutions Inc. in Irving, TX is seeking an experienced AIX Unix Administrator to lead enterprise IBM AIX and Power Systems operations. You will manage PowerVM, VIOS, HMC, LPAR, NIM, and PowerHA environments, while administering PowerVC and OpenShift Virtualization to modernize workloads.

The role emphasizes automation via Shell scripting, Ansible, and Python, plus performance tuning, DR/backups, and security hardening. Collaboration with infra and security teams is essential.

Qualifications

• IBM AIX Administration at enterprise scale with 10+ years experience.
• Expertise in IBM Power Systems including PowerVM, VIOS, HMC, LPAR.
• Proficient in IBM PowerVC Administration and automation.
• Experience with NIM and PowerHA/HACMP for high availability.
• Hands-on with Red Hat OpenShift and OpenShift Virtualization.
• Storage expertise: SAN, NPIV and Fibre Channel.
• Scripting in Shell, plus Ansible and Python for automation.
• Strong troubleshooting and performance tuning capabilities.
• Experience in disaster recovery, backups, and security hardening.

Responsibilities

• Lead admin, maintenance, and L3 support of IBM AIX, IBM Power Systems, PowerVM, VIOS, HMC, LPAR, NIM, and PowerHA environments.
• Administer and troubleshoot IBM PowerVC, including VM provisioning, lifecycle mgmt, capacity optimization, and automation.
• Design and support Red Hat OpenShift Virtualization platforms to modernize VM workloads.
• Perform advanced admin tasks: upgrades, patching, performance tuning, security hardening, capacity planning, and root-cause analysis.
• Manage enterprise storage across SAN, NPIV, Fibre Channel, multipathing, and IBM storage.
• Develop automation with Shell, Ansible, Python, and OpenShift CLI to improve ops.
• Lead migrations and modernization of AIX workloads, PowerVM, PowerVC, and OpenShift virtualization.
• Collaborate with infra, network, storage, cloud, security, and app teams to build resilient, scalable solutions.
• Monitor availability, performance, capacity, and security; ensure SLAs and change control compliance.
• Troubleshoot complex production issues and implement permanent corrective actions.
• Provide L3 technical leadership, mentor juniors, and drive best practices.
• Create and maintain architecture docs, runbooks, and SOPs.

Skills

IBM AIX Administration

IBM Power Systems PowerVM VIOS HMC LPR

IBM PowerVC Administration

NIM PowerHA/HACMP

Red Hat OpenShift OpenShift Virtualiza

SAN Storage NPIV Fibre Channel

Shell scripting

Ansible

Python

Performance Tuning Troubleshooting

DR Backup Security Hardening

Tools

OpenShift CLI

PowerVC CLI

Job description

Siri InfoSolutions Inc. in Irving, TX is seeking an experienced AIX Unix Administrator to lead enterprise IBM AIX and Power Systems operations. You will manage PowerVM, VIOS, HMC, LPAR, NIM, and PowerHA environments, while administering PowerVC and OpenShift Virtualization to modernize workloads.

The role emphasizes automation via Shell scripting, Ansible, and Python, plus performance tuning, DR/backups, and security hardening. Collaboration with infra and security teams is essential.