Linux Systems Administrator

Linux Systems Administrator / Network Administrator We are seeking a hands-on Linux Systems Administrator / Network Administrator for a full-time, onsite opportunity in Harrisburg, PA . This role is best suited for someone with strong hands-on Linux/RHEL administration experience who is also comfortable supporting Windows Server , VMware , Active Directory , Office 365 , DNS , DHCP , Group Policy , and enterprise network infrastructure. The hiring team is looking for someone who can do more than list Linux on a resume. Qualified candidates should be comfortable troubleshooting Linux server performance, reviewing logs, checking services, understanding permissions, supporting patching/upgrades, and resolving production Linux issues. Core Responsibilities Support and administer Linux/RHEL servers Troubleshoot Linux issues involving CPU , memory , disk , services, processes, permissions, and logs Use Linux commands such as top , df -h , free -m , ps , systemctl , journalctl , tail , chmod , and chown Support Windows Server , VMware , Active Directory , Office 365 , Exchange , DNS , DHCP , and Group Policy Troubleshoot LAN/WAN , VPN , switches, firewalls, VoIP, and network connectivity Support patching, backups, monitoring, upgrades, system hardening, and infrastructure documentation Participate in occasional field work and a 24/7 on-call rotation Must Have Strong hands-on Linux administration experience RHEL / Red Hat Enterprise Linux experience preferred 5+ years of systems/network administration experience Experience with Windows Server , VMware , AD , O365 , DNS , DHCP , and networking Ability to work fully onsite in Harrisburg, PA Compensation $80,000-$90,000 annually , plus strong benefits. Show more Show less