Linux Systems Administrator / Network Administrator
Job ID: LG556853331
Job Category: Industrial
Job Location: Harrisburg, PA
Pay Range: $85000.00 - $90000.00/YEAR
Job Type: Permanent
Linux Systems Administrator / Network Administrator
Location: Harrisburg, PA
Schedule: Full-time, onsite
Compensation: $80,000-$90,000 annually
Schedule: Full-time, onsite
Compensation: $80,000-$90,000 annually
About the Role
A leading technology-driven organization in Harrisburg, PA is seeking a hands-on Linux Systems Administrator / Network Administrator to support a mixed enterprise infrastructure environment. This role requires a strong Linux administrator first — someone who can confidently troubleshoot Linux/RHEL servers, review system performance, manage services, understand permissions, review logs, and support production Linux systems.
This position also includes support across Windows Server, VMware, Active Directory, Office 365, DNS, DHCP, Group Policy, LAN/WAN, VPNs, firewalls, switches, monitoring tools, and general enterprise infrastructure.
The ideal candidate is not just someone who has “used Linux.” This person should have real hands-on experience administering Linux systems in a business or enterprise environment.
What You’ll Do
- Administer, maintain, and troubleshoot Linux servers, with strong preference for RHEL / Red Hat Enterprise Linux
- Troubleshoot Linux performance issues involving CPU, memory, disk space, running processes, services, and system logs
- Use Linux commands and tools such as top, df -h, free -m, ps, systemctl, journalctl, tail, chmod, and chown
- Support Linux user permissions, file ownership, service failures, patching, upgrades, and server/application troubleshooting
- Maintain and support Windows Server environments
- Support virtualized infrastructure, including VMware
- Administer Active Directory, Office 365, Exchange, DNS, DHCP, and Group Policy
- Troubleshoot LAN/WAN, VPN, VoIP, switches, firewalls, routing, and network connectivity
- Support enterprise applications, infrastructure tools, SQL Server, Citrix, and monitoring platforms where applicable
- Assist with patching, backups, upgrades, system hardening, documentation, and performance improvements
- Use monitoring tools such as SolarWinds, Zabbix, BMC Patrol, Tivoli, or similar platforms
- Participate in incident response, root cause analysis, infrastructure projects, and continuous improvement efforts
- Support occasional field work and participate in a 24/7 on-call rotation
Required Qualifications
- 5+ years of hands-on systems and network administration experience
- Strong hands-on Linux administration experience
- Experience supporting RHEL / Red Hat Enterprise Linux strongly preferred
- Ability to troubleshoot Linux servers using logs, services, permissions, processes, disk, CPU, and memory checks
- Experience with Windows Server
- Experience with VMware
- Experience with Active Directory, Office 365, Exchange, DNS, DHCP, and Group Policy
- Network administration experience with LAN/WAN, VPN, switches, firewalls, VoIP, and connectivity troubleshooting
- Scripting or automation experience with Bash, PowerShell, VBScript, or similar tools
- Strong troubleshooting, documentation, and communication skills
- Must be able to work fully onsite in Harrisburg, PA
Preferred Qualifications
- Experience with Cisco and/or Fortinet
- Experience with Citrix
- Experience with SQL Server
- Experience with enterprise monitoring tools such as SolarWinds, Zabbix, BMC Patrol, or Tivoli
- Experience supporting regulated, high-availability, or security-sensitive environments
- Experience with system hardening, audit support, vulnerability remediation, and incident response
Why This Role
- Competitive salary of $80K-$90K
- Stable full-time opportunity
- Strong benefits package
- Excellent PTO and paid holidays
- 401(k) match
- Medical, dental, and vision coverage
- Company-paid life insurance
- Hands-on infrastructure role with Linux, systems, networking, virtualization, and security exposure
- Opportunity to support critical enterprise technology in a stable environment