Inferno Systems, Inc.
Windows System Administrator- TS/SCI with Full Scope Poly
Skills
7 days ago
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Important information
Contract type:
Permanent, Temporary
Salary:
$160,000 – $250,000 / year
Location:
Chantilly, VA, USA
Work mode:
Onsite
Published on:
16 October 2026
What they need
WINDOWS SYSTEM ADMINISTRATOR: Senior Level
Location: Chantilly, VA US
Security Clearance Requirement: TS/SCI with Full Scope Polygraph
Clearance Status: Must be Current
Requirements:
Bachelor’s Degree in related technical discipline OR equivalent work experience in lieu of degree
15+ years of experience supporting Microsoft Windows enterprise environments, including administration or Active Directory and the management of group policy security configurations
Experience with trouble shooting domain connectivity and performance issues
Experience working with network monitoring tools such as SolarWinds Orion
Significant experience with automation and scripted deployment of Windows resources, to include servers and workstation images
Window Server Update Services (WSUS) knowledge and hands on expertise across various enclave environments
Experience with VMware technologies, to include vSphere 7/8, VSAN, and specifically VMware Horizon View Virtual Desktop Infrastructure
Understanding or knowledge of cloud computing concepts
Excellent interpersonal and communication skills needed to work with partners, engineering, and vendors
Quick learner, detail oriented, demonstrable thoroughness and strong ownership of work
Able to prioritize in a fast moving, high pressure, constantly changing environment (high sense of urgency)
Good communication and presentation skills to convey complex technical concepts to both technical and non-technical customers
Analyze customer requirements and provides solutions to a variety of technical problems of varying degrees of complexity
Performs maintenance and upgrade of the following computing environments: Windows Server 2022/2019, Windows 10/11
Must be well experienced with Active Directory, DNS, DHCP, IIS, PowerShell scripting, to include automation and configuration management such as Ansible and Terraform/Packer, with HEAVY emphasis on scripting and automation
Responsibility for engineering designs, development, and implementation of domain policies, hardening, and related procedures related to core infrastructure
Responsible for performance and availability monitoring, providing appropriate access controls, hardware and software installation, as well as configuration and maintenance of all Windows-related technologies
Perform Tier III analysis and troubleshooting of network servers and workstations, LAN-based connectivity, security services, and related infrastructure
Maintains current knowledge and documentation of relevant technology
Provide end-user support and issue resolution
Provide helpdesk support for network issues and respond to requests for IT support
Ability to effectively communicate issues and resolutions to all levels of the organization
Desired Requirements:
Certification, to include one or more of the following:
Microsoft Certified Solutions Expert (MCSE)
Job Type: Full-time
Pay: $160,000.00 - $250,000.00 per year
Benefits:
- 401(k)
- 401(k) matching
- Dental insurance
- Flexible schedule
- Flexible spending account
- Health insurance
- Health savings account
- Life insurance
- Paid time off
- Professional development assistance
- Referral program
- Retirement plan
- Tuition reimbursement
- Vision insurance
Application Question(s):
- Do you have an active TS/SCI Security Clearance with a Full Scope Polygraph? Unfortunately, applicants without this clearance will not be considered.
- Are you able to commute to work on-site in Chantilly, VA?
Work Location: In person
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