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, NetApp, 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