System Administrator

Piper Companies is seeking a System Administrator to support a secure government contracting environment responsible for maintaining critical Linux infrastructure, virtualization platforms, shared storage systems, identity services, and network components. The System Administrator will play a key role in ensuring the stability, security, and availability of both classified and unclassified environments while supporting day-to-day operations, vulnerability remediation, and infrastructure management.

• Administer Oracle Linux 8, 9, and 10 systems, including installation, configuration, patching, monitoring, maintenance, and troubleshooting.
• Manage and support unclassified user virtual machines within Oracle Linux Virtualization Manager (OLVM).
• Maintain Oracle ZFS Storage Appliance shared storage environments supporting classified and unclassified systems.
• Support FreeIPA identity management and DNS services within enterprise environments.
• Configure, troubleshoot, and maintain network connectivity in coordination with network engineering teams.
• Administer and support Cisco IOS-XE devices and related network infrastructure.
• Assess Common Vulnerabilities and Exposures (CVEs), track remediation efforts, and support IAVM compliance activities.
• Document system configurations, operational procedures, maintenance activities, incidents, and infrastructure changes.
• Maintain reliable uptime and operational performance across virtualization, storage, identity, and network services.
• Develop, modify, and maintain automation and administrative scripts to improve operational efficiency and consistency.

• Minimum of 5 years of experience as a System Administrator supporting enterprise infrastructure environments.
• Hands‑on experience administering and troubleshooting Linux‑based operating systems and infrastructure.
• Experience supporting Oracle Linux environments or comparable enterprise Linux distributions.
• Strong virtualization experience with OLVM, oVirt, Proxmox, VMware, or similar platforms.
• Experience supporting enterprise storage solutions such as Oracle ZFS, Net App, Dell EMC, or similar technologies.
• Intermediate knowledge and hands‑on experience with Cisco network administration and Cisco IOS‑XE platforms.
• Strong understanding of CVE remediation processes and IAVM management requirements.
• Advanced scripting experience with the ability to modify existing scripts and develop new automation solutions.
• Experience supporting identity management services such as FreeIPA, LDAP, or similar platforms.
• Active CompTIA Security+ certification required.
• Active TS/SCI with Full Scope Polygraph (FSP) clearance required.
• Strong troubleshooting, organizational, documentation, and communication skills.

• Salary range: #120,000 - $220,000
• Comprehensive benefits package including medical, dental, vision, 401(k), and PTO

This job opens for applications on 10/28/2026. Applications for this job will be accepted for at least 30 days from the posting date.

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