Systems Administrator/Engineer with Security Clearance

What You’ll Do: Windows & Linux Administration: * Administer and maintain Windows Server (2019/2022) and Red Hat Linux Enterprise environments, ensuring optimal performance, reliability, and security. * Manage Windows services (DNS, DHCP, WINS, DFS, ADFS, PKI, GPOs) and Active Directory (AD), including user accounts, group policies, and domain controllers. * Oversee Microsoft Exchange Server environments, including setup, configuration, and maintenance of mailboxes and security policies. * Depl…