Jr. Systems Administrator

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

Clearance: Secret with Top Secret eligibility

Hours: Monday-Friday 11:00 PM-7:30 AM

Foxhole Technology provides robust cybersecurity and IT support capabilities for federal civilian and defense agencies. A recognized leader in navigating technology and security challenges, Foxhole delivers mission-focused innovations to answer evolving and complex needs. Our talented employee-owners provide agile, scalable services and solutions that solve operational gaps, operate critical systems, and protect and secure the enterprise – across the organization and around the world.

Foxhole Technology is seeking a Jr. Systems Administrator who is eager to grow their IT career by supporting enterprise systems within a secure Department of Defense (DoD) environment. This position offers valuable hands-on experience across multiple platforms and tools, making it ideal for candidates with a foundational understanding of IT operations and a strong interest in cybersecurity and system maintenance.

Job Description:

• 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
• Minimum Security Clearance: Active Secret clearance with Eligibility for TS.
• Minimum of 1+ years of experience as a System Administrator
• Must have a current DoD 8140/ (8570) IAT Level II approved certification (i.e. CompTIA Security+ CE)
• At least 1 year of experience in IT support, help desk, or systems administration
• Basic knowledge of managing operating systems, user permissions, and file structures
• Familiarity with either Windows Server or Linux systems
• Ability to follow structured processes, maintain clear documentation, and escalates issues when needed
• Strong interest in learning and contributing to a mission-driven, security-focused team
• Provide operational support for cybersecurity tools such as HBSS, ACAS, and SIEM technologies