REQ# GDI_020_013: Minimum 10 years’ total experience with C4I systems with troubleshooting and maintenance of pre-production and production baseline Windows operating environments and Active Directory/Exchange. Primary responsibilities design, testing, implementing security compliance mitigations, and producing documentation deliverables. Candidate must have experience, detailed knowledge, and understanding with Microsoft technologies including, Active Directory, Exchange, Group Policy, desktop deployment, VMWare desktop and server virtualization, server hardware, and TCP/IP networking, and Windows 2012 Server or later. Will ensure all systems are STIG compliant. Will manage enterprise domain controllers and exchange administration including building from ground up. May assist in documentation or design of future requirements. Candidate will have privileged access and must meet Information Assurance Technician (IAT) Level II requirements (e.g., Security+ and MCSA or MCSE Certifications). Candidate must be a US citizen, and must have an active SECRET Clearance and ability to obtain/maintain TS/SCI. Current TS/SCI desired.