Windows Systems Administrator (Sys Admin)
Closure TechnologiesRole Overview
Closure Technologies is hiring a senior-level Windows Systems Administrator (Sys Admin). This is a full-time role in Chantilly. Part of Closure Technologies's Lifecycle hiring. Full responsibilities, required qualifications, and the apply link are listed in the description below.
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Job Description
The successful candidate will leverage their development skills and experience to support the successful ingestion, cleansing, transformation, loading, and display of significant amounts of data.
- You will help sustain and improve the organization's Windows infrastructure as part of a collaborative systems team. Your focus 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 Skills
- 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
- TS/SCI clearance with a polygraph
Desired Skills
- 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
Frequently Asked Questions
How do I apply for the Windows Systems Administrator (Sys Admin) 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 Systems Administrator (Sys Admin) position at Closure Technologies located?
This position is based in Chantilly. Closure Technologies has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.
What does a Windows Systems Administrator (Sys Admin) 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 Systems Administrator (Sys Admin) role at Closure Technologies posted?
This role was posted on April 23, 2026 (46 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 Systems Administrator (Sys Admin) 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.
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