Windows System Adminitrator

Closure Technologies; Chantilly (VA); On-site; USD 90,000 - 120,000; Full time

Job summary

Closure Technologies is seeking a Windows System Administrator in Chantilly, VA. This role focuses on supporting the Windows infrastructure while ensuring operational security and integration of systems.

The ideal candidate will have over 7 years of experience with Windows systems, active directory, and scripting in PowerShell or similar languages. Familiarity with LAN, SAN, and Cisco network configurations is preferred. Strong collaboration is essential as you will troubleshoot issues alongside cross-functional teams.

Qualifications

• 7+ years of relevant experience with Windows systems.
• Hands‑on experience with Active Directory, LDAP, and Centrify.
• Experience scripting in PowerShell, VB, or similar tools.

Responsibilities

• Sustain and improve the Windows infrastructure for operations and security.
• Research and resolve operating system issues per organizational standards.
• Test and integrate new hardware and software components.

Skills

Windows systems

Active Directory

Security patch management

Scripting in PowerShell

Windows Server 2008/2012/2016

Microsoft Exchange

Networking (TCP/IP, LAN, SAN)

Tools

Microsoft System Center Operations Manager (SCOM)

VMware

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.

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.