TO BE CONSIDERED FOR THIS POSITION YOU MUST HAVE AN ACTIVE TS/SCI W/ FULL SCOPE POLYGRAPH SECURITY CLEARANCE (U.S. CITIZENSHIP REQUIRED) Manage and maintain server infrastructure in a cloud environment On-premises and AWS cloud , Linux (Amazon Linux 2023, RHEL 8/9) and Windows Server (2016/2022) systems. Active Directory, DNS, and Group Policy. Salt, BASH, Python, and Ansible REQUIRED EXPERIENCE: Shall have a minimum of Fourteen (14) years' experience as a SE in programs and contracts of simila