Sr. Microsoft Engineer - TS/SCI Poly required

System EngineerLocation: Annapolis Junction, MDClearance Required: TS/SCI with PolygraphTelework: Based on taskingAbout the RoleWe're looking for a System Engineer who enjoys working across the full system engineering lifecycle-from concept and design to integration, documentation, and delivery. In this role, you'll help shape and refine system architectures, produce clear technical documentation and drawings, and support a missionfocused team that collaborates closely with users, customers, and partner teams. If you're adaptable, curious, and ready to contribute to meaningful mission work, this role offers a strong blend of technical challenge and teamwork.What You'll Work OnCompetent in virtualized Windows systems both Domain Controllers and stand aloneManage the upgrade process across multiple domains and working closely with the desktop support team for multiple remote sitesFamiliar with Exchange Severs and user mailboxesKnowledge of powershell to move arbitration mailboxes and administrator mailboxes and administrate on powershell environment when necessaryAbility work on or assist with the image process for creating Win11 and integrate that across all or most classification domainsFamiliar with print servers and WDS(Windows Desktop Services)Monitor backups and snapshotsKnowing or Familiar with DNS, GPOs, Terminal services, bigfix ( which needs to be configured for all classification except TS), testing 2025 and virtualization for proxmox are a plusWhat You BringStrong system engineering experience, including documentation and architectural designExperience with hardware and software integrationComfort working in both Windows and Linux environmentsBasic system administration skillsWillingness to learn, collaborate, and support a missionfocused environment