Senior System Administrator - Top Secret Clearance

Radiance Technologies; Bellbrook (OH); On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

Employee ownership

401(k) plan

Health/Dental/Life/Vision insurance

Educational reimbursement

Job summary

Radiance Technologies is seeking an experienced Systems Administrator to support critical classified systems at the Beavercreek, Ohio facility. You will design, maintain, and enhance architecture for Air Force-mquared missions while ensuring 24/7 continuity and compliance with information assurance policies.

The role requires removing vulnerabilities, patch management across Windows and Linux, and hands-on work with network devices, encryption, and SIEM tools within a secure environment.

Qualifications

• Extensive experience administering SAP/SCI information systems in classified networks.
• Strong understanding of RMF, STIGs, SCAP, and vulnerability management.
• Hands-on with patching, installation, and configuration across Windows/Linux environments.
• Experience with network devices, encryption (TACLANE), and Cisco WAN/LAN equipment.
• Expertise in SIEM tools, virtualization, and offline air-gapped environments.
• Top Secret clearance with an IAT Level II certification.

Responsibilities

• Install, configure, and maintain servers, desktops, and network devices in classified WAN/LAN.
• Lead patch management across sensitive systems and ensure compliance with security baselines.
• Document configurations, baselines, and recovery procedures.
• Provide on-site support and rapid troubleshooting of hardware, software, and network issues.
• Manage user accounts and access controls within domain or standalone environments.

Job description

Radiance Technologies is seeking an experienced Systems Administrator to support critical classified systems at the Beavercreek, Ohio facility. You will design, maintain, and enhance architecture for Air Force-mquared missions while ensuring 24/7 continuity and compliance with information assurance policies.

The role requires removing vulnerabilities, patch management across Windows and Linux, and hands-on work with network devices, encryption, and SIEM tools within a secure environment.