MANTECH seeks a motivated, career- and customer-oriented **Sr** **Cloud System Administrator** to join our team in Annapolis Junction, MD.

Our team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation. This effort supports the Enterprise Infrastructure Services (EIS) organization, which oversees MPO’s Enterprise Information Technology (EIT)—the backbone platform for all enterprise users.

**Responsibilities:**

+ Provide administration and support for Windows Server 2019 and 2022 environments, including Active Directory, DNS, Certificate Authorities and manage Windows 10/11 client systems.
+ Administer and troubleshoot various Linux distributions (e.g., RHEL8/9, AmazonLinux 2023) within AWS.
+ Deploy, and maintain robust cloud environments, primarily within AWS, while also supporting existing on-premises server infrastructure.
+ Develop, implement and maintain automation...