Sr. Windows System Admin/Helpdesk- TS/SCI W/Poly - Littleton, CO
25037.5010
Apply to this job ENTERPRISE BUSINESS SERVICES Until 9/3/2026 First posted July 5, 2026 Last posted July 5, 2026
Job description
• Must have an active TS/SCI clearance with a CI Poly
• U.S. Citizenship required for access to the work facility
• IAT II certification (Security+, etc.)
• Excellent communication skills
• Experience with Active Directory, roaming profiles, and user creation
• Experience with desktop operating system, updates, and patching troubleshooting
• Experience with hardware movement, installation, and accountability
• Experience performing Commercial Off the Shelf (COTS) software installations and support
• Experience working in a teaming/collaborative environment
• Knowledge of network support in a classified environment (encryption, etc.)
• Experience using Microsoft Endpoint Configuration Manager (MECM/SCCM)
• Microsoft Service Manager experience / ServiceNow
• Experience maintaining asset records for desktop hardware
• Ability to lift 50 pounds
• U.S. Citizenship required for access to the work facility
• IAT II certification (Security+, etc.)
• Excellent communication skills
• Experience with Active Directory, roaming profiles, and user creation
• Experience with desktop operating system, updates, and patching troubleshooting
• Experience with hardware movement, installation, and accountability
• Experience performing Commercial Off the Shelf (COTS) software installations and support
• Experience working in a teaming/collaborative environment
• Knowledge of network support in a classified environment (encryption, etc.)
• Experience using Microsoft Endpoint Configuration Manager (MECM/SCCM)
• Microsoft Service Manager experience / ServiceNow
• Experience maintaining asset records for desktop hardware
• Ability to lift 50 pounds
About this role
Summary
Provide IT support, manage Windows systems, and support classified network environments.
Job title
Sr. Windows System Admin/Helpdesk- TS/SCI W/Poly - Littleton, CO
Experience level
none
Industry
enterprise business services
Location requirements
On-site in Littleton, CO, no remote work allowed.
Salary
Not specified
Management role
No
Skills & keywords
Required skills
active directorywindows operating systemhardware supportCOTS softwareMicrosoft Endpoint Configuration ManagerServiceNow
Preferred skills
None specified
Specializations
windows system administrationhelpdesksecurity clearancenetwork support
Locations
Structured locations inferred from the posting.
Littleton, CO, USA
On-site City