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Linux / Unix Systems Administrator

https://www.roberthalf.com Logo

Robert Half

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Location:
United States , Johns Creek

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Contract Type:
Not provided

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Salary:

Not provided

Job Description:

We are seeking a hands-on Linux / UNIX Systems Administrator to take full ownership of a 200+ Linux environment. This is a critical, execution-focused role. This individual will stabilize, modernize, secure, and actively manage our Linux infrastructure, including systems supporting OS/400 (OS4) integrations

Job Responsibility:

Stabilize, modernize, secure, and actively manage our Linux infrastructure, including systems supporting OS/400 (OS4) integrations

Requirements:

  • 5+ years 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)
  • systemd, cron, process management
  • DNS, NTP, SSH configuration
  • TCP/IP fundamentals
  • NFS / Samba
  • Experience supporting Linux in virtualized environments (VMware preferred)
  • Familiarity with SAN/NAS storage
  • Strong troubleshooting across OS, network, and storage layers
  • Experience working within legacy environments undergoing modernization
What we offer:
  • medical
  • vision
  • dental
  • life and disability insurance
  • 401(k) plan

Additional Information:

Job Posted:
February 20, 2026

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