SeniorSystemsAdministrator

Amentum is looking for a **Senior Systems Administrator** to join our team in **McLean, VA**! As the **Senior Systems Administrator** , you will monitor and maintain corporate communication systems related to email and messaging; troubleshoot hardware, software, and network problems pertaining to the operation of Microsoft Exchange Servers in a Windows Active Directory environment; and oversee the status of issues related to messaging systems with the corporation and ensure that issues are resolved, documented, and closed in a timely manner. **Must have an Active Top Secret/SCI US Government clearance. Note: US Citizenship is required to maintain a Top Secret/SCI clearance.** **MAJOR DUTIES AND RESPONSIBILITIES:** * Serves as Microsoft Exchange Email Administrator, responsible for the design, specification, testing, and implementing of Microsoft Exchange Servers and resolves Exchange email system problems as required. * Responsible for identifying, specifying, designing, testing, and implementing new Microsoft Exchange Servers computer technologies, including PC hardware, software, operating system (OS), and related peripherals. * Determines when server, software, and OS upgrades are required and ensures that all upgrades are completed as scheduled, and that appropriate documentation exists prior to implementation. * Knowledge of building server from start to finish to include (VM) Virtual Machines plus hardware * Monitors Microsoft Exchange systems to facilitate proper performance and performs diagnostics as needed. * Develops, implements, and documents configuration standards, policies, and procedures for operating, managing, and ensuring the security of Microsoft Exchange server ADS environment. * Recommends appropriate actions on proposed Microsoft Exchange ADS projects regarding cost-effectiveness of proposed systems and preferred approaches; offers technical solutions to ensure success of projects, the security of the IT environment, and the efficient use of I