Senior Systems Administrator - Active Directory, TS/SCI

CACI International Inc; Hampton (VA); On-site; USD 75,000 - 158,000; Full time

Job summary

CACI International Inc. seeks a Sr. Systems Administrator (Active Directory) to support the Distributed Ground System (DGS) at Langley AFB in Hampton, VA. You will manage a virtualized data center, AD, and security-enhanced IT operations in a mission-driven environment.

The role requires TS/SCI clearance, a related bachelor’s degree or equivalent experience, and 5+ years of IT/sysadmin work, with VMware, DNS, Group Policy, and Windows 11 experience. Up to 10% travel nationwide is anticipated.

Qualifications

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

Responsibilities

• Maintain and operate a virtualized data center environment using VMware and Dell/EMC server/storage technologies.
• Install, support, and maintain servers, including performance tuning and storage allocation.
• Protect system integrity via patch management, antivirus oversight, and data backup/restoration.
• Diagnose and resolve service outages 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 and support configuration management; resolve issues.
• Collaborate with security on upgrades, compliance, and system security initiatives.
• Provide mentorship to Tier 1 and Tier 2 support personnel.

Skills

Active TS/SCI clearance

Security+ certification

Microsoft Server 2019

Active Directory

Group Policy

DNS

VMware

Windows 11

Education

Bachelor’s degree or equivalent experience

Tools

Dell/EMC storage

Job description

CACI International Inc. seeks a Sr. Systems Administrator (Active Directory) to support the Distributed Ground System (DGS) at Langley AFB in Hampton, VA. You will manage a virtualized data center, AD, and security-enhanced IT operations in a mission-driven environment.

The role requires TS/SCI clearance, a related bachelor’s degree or equivalent experience, and 5+ years of IT/sysadmin work, with VMware, DNS, Group Policy, and Windows 11 experience. Up to 10% travel nationwide is anticipated.