Server Administrator II

Agile Defense • Huntsville, AL

6d • Onsite

About The Position

Agile Defense is seeking a Junior/Mid-Level Server Administrator to support the Office of the Chief Information Officer (OCIO), which provides IT support to PAE FIRES, a CONUS organization and approved data center hosting multiple organizations throughout the US Army Acquisition community. The OCIO provides centralized lifecycle management, direction, guidance, and support for the acquisition, sustainment, maintainability, supportability, and implementation of the PAE Information Mission Area.

The role supports server administration, security hardening, and compliance with DoD cybersecurity requirements. It focuses on implementing and validating DISA STIGs, maintaining secure server configurations, and supporting Windows and Linux infrastructure. Strong technical documentation, attention to detail, and commitment to security are essential. The position is onsite at Redstone Arsenal, Alabama, requires an active Secret clearance to start, and requires Security+ CE within six months.

Requirements

• High school diploma or GED.
• At least five years of IT experience.
• Active Secret security clearance, required to start.
• Security+ CE certification within six months; Security+ is the minimum education/certification requirement stated.
• Working knowledge of Windows Server, Linux command-line operations, and Red Hat Enterprise Linux.
• Familiarity with DISA STIGs, server hardening, and security compliance.
• Experience with DHCP, Group Policy, and Active Directory.
• Strong technical writing, documentation, troubleshooting, and problem-solving skills.
• Ability to follow technical standards, document work accurately, and validate configuration changes.

Nice To Haves

• Experience with VMware ESXi, Omnissa Horizon VDI, and thin client administration.
• Familiarity with Red Hat OpenShift and GitOps.
• Experience with PowerShell scripting, task automation, and configuration management.
• Familiarity with STIG Viewer, SCC, Evaluate-STIG, and vulnerability assessment tools.
• Understanding of applicable DoD and NIST security requirements.
• CompTIA SecurityX certification or equivalent industry certification.

Responsibilities

• Implement, assess, and remediate DISA STIGs on Windows Server and Red Hat Enterprise Linux (RHEL) systems.
• Validate compliance using STIG Viewer, SCAP Compliance Checker (SCC), Evaluate-STIG, and similar tools.
• Administer and troubleshoot DHCP, DNS, Group Policy, and Active Directory services on Windows servers.
• Support VMware ESXi, Omnissa Horizon VDI, and Dell thin client environments.
• Perform Linux command-line administration, server patching, security hardening, and configuration management.
• Support Red Hat OpenShift and GitOps workflows as needed.
• Maintain accurate documentation of system configurations, STIG findings, remediation steps, procedures, and infrastructure changes.
• Collaborate with co-workers, users, technicians, and cybersecurity teams to resolve technical issues and maintain compliance with applicable DoD and NIST standards.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: High school or GED