Windows Systems Administrator - TS​/SCI Polygraph

WINDOWS SYSTEMS ADMINISTRATOR

Own your opportunity to support national defense. Your work will help keep critical operations secure and connected across the global enterprise, contributing to a mission that protects our nation every day.

• Administer, operate, and maintain Windows server and endpoint systems across physical, virtual, and cloud environments, ensuring stability, performance, and secure configurations
• Perform Tier II/III troubleshooting and root cause analysis for OS level, authentication, GPO, networking, and dependency related issues supporting enterprise services
• Manage configuration baselines, apply required updates, support lifecycle planning, and maintain accurate documentation for change, configuration, and operational processes
• Support Active Directory, Group Policy, certificate services, server roles, and related identity, access, and configuration services across multiple network domains
• Maintain, monitor, and update Windows systems for compliance with security baselines, STIG settings, and enterprise hardening requirements
• Coordinate with engineering, cybersecurity, monitoring, and platform teams to ensure secure integrations, dependency mapping, and seamless operations
• Maintain server virtualization environments, including building, updating, and troubleshooting virtual machines, templates, hypervisors, and supporting infrastructure
• Support operational tasks such as firmware updates, system provisioning, backup/restore activities, template updates, and service availability monitoring
• Execute Windows OS and security patching across assigned systems, deploying enterprise approved updates, baseline releases, and third‑party patches to maintain security and configuration compliance
• Identify and remediate noncompliant systems by reviewing vulnerability and SCAP reports, diagnosing root causes, coordinating corrective actions, and validating remediation across multiple networks

• EDUCATION:
  
  Bachelor’s degree in an IT‑related field, or 10+ years of relevant IT experience in lieu of a degree
• DOC 8140 Information Assurance Workforce certification (e.g., Security+ CE, etc.)
• Active TS/SCI clearance with a favorable polygraph
• Hands‑on experience administering Windows Server and Windows client OS in enterprise or multinetwork environments
• Proficiency with Active Directory, GPO creation/troubleshooting, OS deployment tooling, and Power Shell automation
• Experience implementing secure configurations, STIG/HBSS compliance, and OS hardening practices
• Familiarity with enterprise patch management, vulnerability remediation, and configuration compliance auditing
• Ability to diagnose and resolve complex OS, authentication, and configuration issues across distributed infrastructure
• Strong documentation, communication, and collaboration skills
• US citizenship required
• Location:
  
  Onsite

Competitive salary range: $111,155 – $150,385, based on experience, location, and contractual requirements.

Benefits include a comprehensive medical plan, dental and vision coverage, 401(k) with company match, paid time off, and other health, safety, and life insurance offerings.

Scheduled weekly hours: 40

Travel required:

None

Telecommuting options:
Onsite

Primary work location: USA MD Annapolis Junction

Additional work locations: USA CO Colorado Springs – 8610 Explorer Dr (COC
036), USA DC Washington, USA FL Mac Dill AFB – 7115 S Boundary Blvd (FLC
096), USA VA Springfield – 7770 Backlick Rd (VAS
110)

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans