IT System Administrator; Fuse Fed

We are building one of the most potentially consequential companies of the century. Our mission is to accelerate the world's transition to fusion energy while safeguarding humankind. This is not a normal company. This is not a normal job. We are committed for the long term to win.

We're looking for an IT Administrator to support a growing team delivering testing services to DoD, USG, and commercial clients. This is a dual-scope role: you'll own day-to-day IT administration and help desk support within our Microsoft 365 GCC High environment, and you'll also own the governance, risk, and compliance (GRC) documentation (System Security Plan (SSP), Plan of Action and Milestones (POA&M), and control-implementation evidence) that supports our NIST SP 800-171 / CMMC program.

• Obsess about the details - sloppy work costs us later, so do it right the first time.
• Care - pick up the trash. Do things no one asks you to do. Go the extra mile because you care.
• Act with urgency - every hour matters more than it feels like it does.
• Be responsible for the outcome, not just the task; if it is not working, it remains your problem until it is fixed.
• Assume good intent - disagree openly, then commit fully once a call is made.

• Administer our Microsoft 365 GCC High tenant, including user identity, mailboxes, licensing, and access management.
• Manage and support a mixed fleet of macOS and Windows endpoints, including device provisioning, patching, and compliance configuration.
• Provide help desk support and troubleshooting for end users, resolving hardware, software,