Windows System Engineer (Cleared)

Job Title: Windows System Engineer Location: Chantilly VA or King of Prussia PA Clearance Required: Active Top Secret / SCI Employment Type: Full-Time Overview We are seeking a skilled Windows System Engineer with Citrix administration experience to support secure, mission-critical IT operations within a classified environment. The ideal candidate will have a strong background in Windows server management, virtualization, system optimization, and security compliance, with a proven ability to manage and support enterprise Citrix environments. Key Responsibilities Administer, configure, and maintain Windows Server environments (2016, 2019, or later) in accordance with security and operational standards. Manage, monitor, and troubleshoot Citrix infrastructure including Citrix Virtual Apps and Desktops, StoreFront, and Citrix Director. Implement and maintain Active Directory (AD), Group Policy, and DNS/DHCP configurations. Apply DISA STIGs, security patches, and system hardening procedures to maintain compliance with DoD and organizational standards. Support virtualized environments (VMware or Hyper-V) and assist with storage and network integrations. Perform system monitoring, backup, and recovery operations to ensure high availability and resilience. Collaborate with cybersecurity teams to ensure systems remain compliant with RMF and security baseline requirements. Provide Tier 2/3 support for escalated system and user issues related to Windows or Citrix systems. Document configurations, changes, and procedures in accordance with organizational policies. Required Qualifications Active Top Secret / SCI Clearance (TS/SCI) 5+ years of hands-on experience as a Windows Systems Engineer or Systems Administrator. Strong Citrix administration experience (Citrix Virtual Apps and Desktops, Citrix Studio, Citrix Director, StoreFront). Proficiency in Windows Server management, Active Directory, Group Policy, and PowerShell scripting. Experience with VMware or Hyper-V virtualization platforms. Working knowledge of DoD security standards, STIGs, and RMF compliance processes. Excellent troubleshooting, documentation, and communication skills. Preferred Qualifications Citrix certifications (e.g., CCA-V, CCP-V, or CCE-V). Microsoft certifications such as MCSA or MCSE. Experience supporting environments within a DoD, Intelligence Community, or federal contractor setting. Familiarity with SolarWinds, SCCM, WSUS, or similar management tools.