POSITION SUMMARY: CACI is seeking a Sr. Windows Systems Administrator to support a DoD client in Suitland, MD. - Active TS/SCI clearance is required. - BA/BS or minimum 8+ Years Hands on Windows Systems Administration Experience - Extensive Microsoft Windows Server 2003/2008 Experience - Experience with Microsoft Clustering Services -“ SQL and File Clustering - Extensive knowledge of hardware and software components of Windows operating systems, in a large operating environment - In depth knowledge of topology of Storage Area Network and its Support - Large data center experience highly desirable. - Experience with VMWare setup, configuration, operation and troubleshooting a plus - Good problem solving and troubleshooting skills - In depth knowledge of CISCO routers and switches. RESPONSIBILTIES: - Ability to evaluate, test and deploy infrastructure hardware and software. - Ability to provide technical support to clients and business units - Ability to perform extensive troubleshooting, performance tuning, capacity planning, and trending analysis - Ability to provide installation, maintenance, and tuning of hardware and software systems. - Ability to install and configure Operating Systems Software - Ability to install and configure Cluster Services to support highly available Databases. - Ability to install and configure Web Servers and Software - Ability to install and configure Automation and monitoring tools. - Ability to interface extensively with Technology Services Teams, Application Teams and Business Units. EDUCATION & REQUIREMENTS: - BA/BS or minimum 8+ Years Hands on Windows Systems Administration Experience - Active TS/SCI clearance. ( Must be able to obtain a CI poly) - Security+ certification required.