Systems Administrator

Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy.

Combining decades of research, top talent, and new technologies, we’re designing and building commercially viable fusion power plants. And we're working with policymakers, suppliers, and many others to build the energy industry of the future.

We’re in the best position to make it happen. Since 2018, we’ve raised $4 billion of capital, making us the largest and leading fusion company in the world.

Now we’re looking for more thinkers, doers, builders, and makers to join us. People who’ll bring new perspectives, solve tough problems, and thrive as part of a team.

If that’s you and this role fits, we want to hear from you.

As a Systems Administrator on our Enterprise Applications team, you will serve as a key technical pillar supporting the digital engine that keeps our interconnected engineering, manufacturing, and business applications running smoothly. You will gain broad exposure to our entire enterprise stack, taking ownership of day-to-day system administration, end-user support, and technical maintenance for our Product Lifecycle Management (PLM), Enterprise Resource Planning (ERP), and Manufacturing Execution Systems (MES) platforms.

By keeping our core systems reliable, robust, and intuitive, you will empower teams across the entire company to move quickly, maintain data integrity, and solve complex problems with operational efficiency.

• Serve as the primary technical point of contact for end-user support across enterprise applications, resolving user tickets and performing root-cause analysis to identify and implement solutions
• Manage user onboarding, offboarding, group assignments, and role-based access control across core platforms
• Execute routine technical updates and application maintenance, including modifying workflows, updating UI elements, and editing system configurations
• Author, update, and maintain clear documentation, standard operating procedures, and technical guides to streamline knowledge sharing
• Deliver practical training sessions to onboard new users and educate existing users on best practices and new features
• Audit software license usage to optimize provisioning, while automating routine administrative tasks and reporting
• Assist in user acceptance testing and system validation for new releases, patch updates, and custom feature rollouts
• Monitor and troubleshoot digital thread connections and data flows between enterprise systems

• Bachelor’s degree, preferably in Engineering, Computer Science, Information Technology, or a related STEM field (or equivalent industry experience)
• Proven ability to troubleshoot complex issues, diagnose root causes, and follow logical steps to resolve technical problems
• Strong commitment to end-user support, with patience, empathy, and enthusiasm for helping internal stakeholders solve daily challenges
• Exceptional written and verbal communication skills, with a proven ability to explain technical solutions to non-technical stakeholders
• Core software literacy, including a grasp of conditional logic, basic programming concepts, and data flows across connected systems
• Meticulous attention to detail, ensuring system changes are applied safely and documentation is thorough, clear, and reliable
• Fast learner with high curiosity and strong growth potential, energized by complex problem solving in a dynamic environment
• Deep alignment with our mission to deliver the urgent transition to fusion energy, paired with a genuine passion for solving hard problems

• Familiarity with enterprise software platforms, including Teamcenter (PLM),…