TS/SCI Systems Administrator – Mission-Critical IT Support

Amentum; Warrenton (VA); On-site; USD 90,000 - 120,000; Full time

Job summary

Amentum is seeking a Staff System Administrator in Warrenton, VA. An active TS/SCI clearance is required, along with Security+ or equivalent IAT Level II.

The role focuses on Windows environments, Active Directory/GPO, MECM deployment concepts, and delivering reliable voice, video, and data operations in mission-critical settings. You will have 4+ years of IT experience and provide high-touch customer support on-site with 25–40% CONUS travel.

Qualifications

• Active TS/SCI clearance required (with SCI eligibility)
• 4+ years of IT experience in Windows environments
• Strong knowledge of AD/GPO and MECM deployment concepts
• High-touch customer support in mission-critical settings

Skills

Windows

Active Directory/GPO

MECM

Customer support

Tools

Microsoft MECM

Job description

Amentum is seeking a Staff System Administrator in Warrenton, VA. An active TS/SCI clearance is required, along with Security+ or equivalent IAT Level II.

The role focuses on Windows environments, Active Directory/GPO, MECM deployment concepts, and delivering reliable voice, video, and data operations in mission-critical settings. You will have 4+ years of IT experience and provide high-touch customer support on-site with 25–40% CONUS travel.