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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