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Windows System Adminitrator
Job in
Chantilly, Fairfax County, Virginia, 22021, USA
Listed on 2026-07-02
Listing for:
Closure Technologies
Full Time
position Listed on 2026-07-02
Job specializations:
-
IT/Tech
Windows Server, Systems Administrator, Systems Engineer
Job Description & How to Apply Below
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.
- 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 Power Shell, 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.
- 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.
As set forth in Closure Technologies’s Equal Employment Opportunity policy, we do not discriminate on the basis of any protected group status under any applicable law.
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