Senior System Administrator - DoD/SCI Enclaves

Ares Enterprise; Fairfax (VA); On-site; USD 110,000 - 160,000; Full time

Job summary

Ares Enterprise, LLC is seeking an experienced Advanced System Administrator to support Air Force Sensitive Compartmented Information (AFSCI) intelligence operations. You will lead full-lifecycle systems administration across sensitive networks and infrastructure to ensure high availability and mission success.

Ideal candidates will have DoD 8140/8570 baseline certifications, Top Secret/SCI clearance, and hands-on expertise with VMware, Windows Server, Active Directory, and STIG enforcement.

Qualifications

• Experience administering secure, classified enterprise networks.
• Ability to configure and troubleshoot AFSCI servers and endpoints.
• Experience with RMF artifact collection and STIG enforcement.
• Proven track record delivering high availability systems (99.9%).
• Active Top Secret / SCI clearance required before start date.
• DoD 8140/8570 baseline certification (e.g., Security+ CE, CASP+, CISSP) preferred.

Responsibilities

• Maintain, configure, and troubleshoot AFSCI servers, workstations, switches, routers, and peripheral equipment.
• Ensure 99.9% monthly system and service availability across AFSCI networks and enclaves.
• Enforce STIGs and secure configuration baselines across systems.
• Support RMF processes by collecting, generating, and maintaining security artifacts.
• Provide Tier 2/3 incident support and account management for AFSCI users.

Skills

System administration

Troubleshooting

Education

Bachelor's degree in Computer Science, IT, or related field

Tools

VMware

Windows Server

Active Directory

Switch/Router administration

Job description

Ares Enterprise, LLC is seeking an experienced Advanced System Administrator to support Air Force Sensitive Compartmented Information (AFSCI) intelligence operations. You will lead full-lifecycle systems administration across sensitive networks and infrastructure to ensure high availability and mission success.

Ideal candidates will have DoD 8140/8570 baseline certifications, Top Secret/SCI clearance, and hands-on expertise with VMware, Windows Server, Active Directory, and STIG enforcement.