Unix Linux System Administrator

Role Overview

We are seeking a senior Unix/Linux L3 Administrator with deep enterprise experience in Red Hat and SUSE environments. This role focuses on advanced system administration, migration, clustering, troubleshooting, and infrastructure optimization across large-scale enterprise platforms.

The position requires strong hands-on expertise in Linux architecture, virtualization, storage management, and system performance with the ability to support mission-critical environments in a 24/7 rotation.

Key Responsibilities

• Administer and maintain enterprise Linux environments
• Perform Red Hat and SUSE OS upgrades and migrations
• Support RHEL 7/8/9 and SUSE 15 systems
• Troubleshoot complex Unix/Linux issues
• Plan and execute enterprise migration activities
• Assess infrastructure requirements for new application deployments
• Deploy and migrate systems across hypervisors and cloud platforms
• Configure and maintain Linux clustering
• Manage SAN/NAS storage environments
• Configure multipath, bonding, and teaming
• Perform RAID and LVM administration
• Handle kernel patching, tuning, and custom builds
• Manage users, packages, and configuration controls
• Work on incident/problem tickets with root cause analysis
• Monitor system performance and capacity planning
• Proactively identify risk areas and mitigation strategies
• Participate in automation initiatives and documentation

Required Technical Skills

• Strong Linux system administration expertise
• Red Hat Enterprise Linux (7/8/9)
• SUSE Linux Enterprise (15)
• VMware vCenter experience
• Basic AIX knowledge
• Knowledge of Cisco, Dell, HP hardware
• Storage administration (SAN / NAS)
• Kernel tuning and troubleshooting
• Linux boot process and system internals
• Basic scripting knowledge

Behavioral Expectations

• Strong ownership mindset
• Proactive problem solving
• Ability to work in high-pressure environments
• Excellent documentation discipline
• Collaboration across global teams