System Administrator

Man Tech International seeks a System Administrator to support mission-critical national security systems within our Information Technology & Technical Support organization. In this role, you will manage and secure Windows and Linux servers, configure Active Directory, monitor performance, and resolve complex infrastructure issues. You'll implement patches, backups, and automation to ensure availability and compliance with federal standards. Collaborating closely with cybersecurity and network teams, you'll help protect sensitive environments while contributing to Man Tech's culture of innovation, integrity, and respect for individual contributions.