Windows System Adminitrator

Full Timesenior

Chantilly, VirginiaPosted 6 weeks ago

Role Overview

Closure Technologies is hiring a senior-level Windows System Adminitrator. This is a full-time role in Chantilly, Virginia. Full responsibilities, required qualifications, and the apply link are listed in the description below.

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ORIPCohWsyYzqVVZClosureTechnologiesWindowsAdministrator

Job description

Closure Technologies is seeking a Windows System Administrator in Chantilly, VA who will leverage their development skills and experience to support the successful ingestion,
cleansing, transformation, loading, and display of significant amounts of data.

Clearance Requirement: TS/SCI with Polygraph

Key Responsibilities:

Sustain and improve the organization’s Windows infrastructure as part of a collaborative systems
team. This will span operations, security, and integration of hardware and software.
Research and resolve operating system problems efficiently and accurately in adherence to organizational
standards
Troubleshoot operating system issues and collaborate with cross-functional teams including application
development and networking
Build and harden Windows servers, establish and manage configuration baselines
Plan, test, install, integrate, and maintain new or updated operating systems
Apply security and firmware patches promptly; assist in maintaining patch management strategies
Test and integrate new hardware and software components
Manage the lifecycle of operating systems
Design interfaces to external systems and maintain thorough documentation on system configurations and
processes

Required Qualifications:

7+ years of relevant experience with Windows systems
Experience with complex system architectures and interconnected data environments
Hands-on experience with Active Directory, LDAP, and Centrify for domain management
Experience and proficiency applying security patches within enterprise systems
Experience scripting in PowerShell, VB, or similar tools
Experience and ability to manage environments running Windows Server 2008/2012/2016
Experience with Microsoft System Center Operations Manager (SCOM) and Access Control Service (ACS)
Experience with Microsoft Exchange, Outlook, and antivirus solutions including Symantec and McAfee

Preferred Qualifications:

Familiarity with LAN, SAN, TCP/IP, and Cisco network configurations
MCSE or MCITP certifications
Experience with VMware 5+ and a VMWare Certified Professional (VCP) credential

About Closure Technologies

Closure Technologies

closure-tech.com

On-site

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Frequently Asked Questions

How do I apply for the Windows System Adminitrator position at Closure Technologies?

Use the Apply button above to submit your application directly to Closure Technologies. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.

Where is the Windows System Adminitrator position at Closure Technologies located?

This position is based in Chantilly, Virginia. Closure Technologies has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.

What does a Windows System Adminitrator at Closure Technologies earn?

Closure Technologies has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.

When was the Windows System Adminitrator role at Closure Technologies posted?

This role was posted on June 7, 2026 (45 days ago). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.

How much experience does the Windows System Adminitrator role at Closure Technologies require?

This is a senior-level position. Most senior roles call for 5+ years of directly relevant experience. Closure Technologies lists their specific requirements in the description below, so review the must-have qualifications closely before applying.