Description

You own the full lifecycle administration of a 200+ Linux environment.

Responsibilities

• Administer and maintain ~222 Linux servers across production, QA, and development environments.
• Implement and manage patching cadence, kernel updates, and OS upgrades.
• Lead root cause analysis for production incidents and resolve Sev1/Sev2 outages.
• Secure and harden systems using SELinux configuration and CIS/STIG best practices.
• Assess and remediate deprecated platform components while standardizing configurations.

Required Skills

• 5+ years of hands-on Linux system administration experience.
• Strong experience with Red Hat, CentOS, Rocky, or Ubuntu.
• Proven experience managing 100+ server environments.
• Deep knowledge of Kernel tuning, LVM, and file systems (ext4, XFS).
• Proficiency with systemd, cron, and process management.
• Experience configuring DNS, NTP, SSH, and TCP/IP fundamentals.
• Familiarity with NFS/Samba and supporting Linux in virtualized environments.
• Experience supporting integrations with IBM i (OS/400) systems.
• Experience with Ansible, Puppet, or Chef.

Key Skills

Education

Any Gradute