Working alongside senior system administrators, lab users, and technical teams, the Associate System Administrator will help deploy, configure, patch, monitor, troubleshoot, and sustain Windows and Linux systems, virtual machines, user access, hardware, and supporting lab infrastructure. Its role is to make MITRE's AI and mission platform investments practical for mission work: giving staff usable paths to approved tools, workflows, reusable patterns, data integrations, development environments, hands-on experimentation, and high-touch technical support.