Description

Key Skills: UNIX, Linux, AIX, RHEL, System Administration, Power Systems, LPAR, VIOS, Ansible, Python

Good to Have Skills: Red Hat Satellite, HMC, NIM, Nagios, Red Hat Insights, BigFix, Bash scripting, Infrastructure as Code (IaC), LDAP, Active Directory, VMware, PowerVM, AWS, Azure, OpenShift, Kubernetes, ServiceNow, Dynatrace, Red Hat Certified Engineer (RHCE), Linux Foundation Certified Engineer (LFCE), IBM Certified AIX System Administrator certifications.

Roles & Responsibilities:

• Lead a team of UNIX/Linux system administrators in managing enterprise AIX and RHEL environments.
• Define and implement operational standards, best practices, and automation frameworks for system builds, configuration, and maintenance.
• Act as the primary technical escalation point for complex UNIX/Linux infrastructure issues.
• Collaborate with architecture, storage, network, security, and application teams to deliver integrated infrastructure solutions.
• Manage the installation, configuration, patching, and lifecycle management of AIX Power Systems and RHEL servers.
• Maintain and administer logical partitions LPARs, volume groups, and filesystems on AIX systems using HMC, VIOS, and NIM tools.
• Administer Red Hat Satellite for patch management and system provisioning across enterprise environments.
• Monitor system health, availability, and performance using enterprise tools such as Nagios, Red Hat Insights, and BigFix.
• Coordinate and validate OS migrations, upgrades, and hardware refreshes across multiple data centers or cloud environments.
• Develop and maintain automation scripts using Bash, Python, or Ansible to streamline provisioning, patching, and configuration processes.
• Implement Infrastructure as Code IaC practices to improve consistency and scalability across the infrastructure.
• Ensure adherence to corporate and industry security standards including CIS, NIST, SOX, and PCI compliance requirements.
• Perform regular security patching, system hardening, and vulnerability remediation to maintain secure infrastructure environments.
• Manage access controls, sudo policies, and identity integration with LDAP and Active Directory systems.
• Drive root cause analysis RCA for major incidents and implement preventive measures to avoid future occurrences.
• Lead capacity planning, forecasting, and performance tuning efforts to optimize system resources and performance.
• Maintain comprehensive system documentation and standard operating procedures SOPs for operational consistency and knowledge transfer.

Experience Required: 8+ years of UNIX/Linux system administration experience in large-scale enterprise environments with 3+ years in a lead or senior-level capacity managing AIX and Red Hat environments.

Education: Bachelor's degree in Computer Science, Information Technology, or equivalent experience

Key Skills

Education

Any Graduate