Windows Systems Administrator – TS​/SCI Polygraph

Responsibilities

• 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 non‑compliant systems by reviewing vulnerability and SCAP reports, diagnosing root causes, coordinating corrective actions, and validating remediation across multiple networks.

• 8+ years of related experience.
• US citizenship required.
• Active TS/SCI clearance with a favorable polygraph.
• Bachelor’s degree in an IT‑related field, or 10+ years of relevant IT experience in lieu of a degree.
• Meet DoD 8140 Information Assurance Workforce certification requirements (e.g., Security+ CE, etc.).
• 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.