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
