Junior Systems Administrator – DoD SecOps (Night Shift)

Foxhole Technology; Belleville (IL); On-site; USD 65,000 - 90,000; Full time

Job summary

Foxhole Technology in Belleville, IL seeks a Jr. Systems Administrator to support enterprise DoD environments, managing Active Directory, file permissions, and server maintenance. The role provides hands-on experience across Windows and Linux systems, under the guidance of senior admins.

You will contribute to RMF-based controls, STIG compliance, and security tooling like HBSS and SIEM while helping with backups, patching, and documentation.

Qualifications

• Active Directory, Windows Server and Linux administration experience.

Responsibilities

• Carry out routine system tasks such as user account setup, password resets, and access permissions.
• Monitor system functionality and help diagnose hardware and software-related issues.
• Support the rollout of updates, patches, and antivirus solutions in compliance with DoD cybersecurity directives (STIGs/IAVM).
• Help maintain core services like Active Directory, DNS, and Group Policy under the guidance of senior administrators.
• Contribute to security compliance efforts through participation in RMF-based control implementation.
• Aid in updating system documentation, including configuration records and procedural guides.
• Assist in executing backup and restoration procedures to ensure system continuity.

Skills

Active Directory

Windows Server

Linux

DoD 8570 IAT Level II

Security+ CE

Documentation

Troubleshooting

HBSS / SIEM Tools

Tools

HBSS

ACAS

SIEM

STIGs

RMF

Job description

Foxhole Technology in Belleville, IL seeks a Jr. Systems Administrator to support enterprise DoD environments, managing Active Directory, file permissions, and server maintenance. The role provides hands-on experience across Windows and Linux systems, under the guidance of senior admins.

You will contribute to RMF-based controls, STIG compliance, and security tooling like HBSS and SIEM while helping with backups, patching, and documentation.