Senior Systems Admin - Active Directory, TS/SCI

CACI; Hampton (VA); On-site; USD 75,200 - 158,100; Full time

Job summary

CACI is seeking a Sr. Systems Administrator (Active Directory) to support the modernization and operations of the Distributed Ground System at Langley AFB in Hampton, VA. This role requires a TS/SCI clearance and a strong background in AD, VMware, and server administration.

You will ensure system readiness, implement patching, backups, and security initiatives while mentoring Tier 1/2 staff and collaborating with the security team in a mission-driven environment.

Qualifications

• Active TS/SCI clearance
• Bachelor's degree or equivalent experience
• Minimum 5 years of IT/System Administration experience
• Security+ certification
• Experience with Microsoft Server 2019, Windows 11, Active Directory, Group Policy, DNS, VMware

Responsibilities

• Maintain and operate a virtualized data center using VMware and Dell/EMC server and storage technologies.
• Install, support, and maintain servers including performance tuning, configuration, and storage allocation.
• Protect system integrity with patch management, antivirus oversight, and data backup/restoration.
• Diagnose and resolve service outages, inquiries, and system-related issues.
• Conduct system analysis and implement updates to keep technologies current.
• Perform routine system health checks across processes, services, networks, and storage.
• Update documentation, support configuration management, and resolve issues.
• Partner with the security team on upgrades, compliance, and security initiatives.
• Provide technical mentorship to Tier 1 and Tier 2 support personnel.

Skills

Active Directory

DNS

Group Policy

VMware

Windows Server 2019

Windows 11

Education

Bachelor's degree or equivalent experience

Tools

Dell EMC storage

Job description

CACI is seeking a Sr. Systems Administrator (Active Directory) to support the modernization and operations of the Distributed Ground System at Langley AFB in Hampton, VA. This role requires a TS/SCI clearance and a strong background in AD, VMware, and server administration.

You will ensure system readiness, implement patching, backups, and security initiatives while mentoring Tier 1/2 staff and collaborating with the security team in a mission-driven environment.