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System Administrator with Security Clearance

ClearanceJobs
Mc Lean, VA Full Time
POSTED ON 12/19/2025
AVAILABLE BEFORE 1/17/2026
If you enjoy working with new technologies, enterprise-leading equipment, and have a passion for building and maintaining infrastructures, we would like to speak to you. This position will play a key role in supporting engineers responsible for leveraging next-generation infrastructure to drive innovation in the Artificial Intelligence (AI) field. We are seeking an experienced and skilled Windows System Administrator to join our IT team. As a key member of our infrastructure support team, you will be responsible for designing, implementing, and maintaining our Windows-based systems, networks, and applications. This is a great opportunity for a motivated and detail-oriented individual who is passionate about delivering exceptional technical support. Key Job Responsibilities

  • 3 years of experience as a Windows System Administrator or similar role
  • In-depth knowledge of Windows Server / Desktop Operating Systems
  • Strong understanding of Active Directory, Group Policy, and DNS
  • Experience with Windows deployment tools such as SCCM or MSDTF
  • Familiarity with backup and disaster recovery procedures
  • Excellent problem-solving skills and ability to troubleshoot complex technical issues
  • Strong communication and interpersonal skills
  • Design, implement, and maintain Windows-based systems, networks, and applications
  • Provide technical support and assistance to users via phone, email, and in-person
  • Monitor system performance, identify and resolve issues, and optimize system resources
  • Develop and maintain documentation for system administration tasks and procedures
  • Collaborate with other IT teams to ensure seamless integration of new technologies and systems
  • Stay up-to-date with the latest Windows operating system updates, security patches, and best practices
  • Experience managing enterprise email systems (Exchange, Outlook)
  • Travel up to 20% of the time, as required, to perform on-site installations, maintenance, and troubleshooting activities at customer sites or data centers.  Beneficial Skills
  • Experience installing, configuring, and supporting the Linux operating system (Server / Workstation)
  • Knowledge of PowerShell / Python / Bash scripting and automation
  • Certification in Microsoft MCSA or MCSE and other industry certifications
  • Familiarity with security best practices (e.g. firewalls, antivirus software)
  • Experience with virtualization technologies (VMware, Hyper-V, KVM)
  • Proficiency in SQL Server administration
  • Experience with IT service management frameworks (e.g. ServiceNow) Clearance Requirements
  • Active TS/SCI clearance with Counterintelligence polygraph
  • Have current IAM Level II to satisfy DOD 8570 IAT requirements

Salary.com Estimation for System Administrator with Security Clearance in Mc Lean, VA
$86,402 to $109,720
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