Diagnostician

Responsibilities

• Shepherd SPARC diagnostic sub-systems through final design, collaborating with scientists, designers, and engineers
• Integrate technical input to ensure diagnostic designs meet mission goals for plasma control and data delivery
• Develop assembly, installation, calibration, and commissioning plans to ensure on-schedule first plasma
• Integrate diagnostics into plant-level and real-time plasma control systems
• Participate in the testing and operation of diagnostic systems to balance operational learning with physics results
• Contribute to a strong safety culture and collaborate with academic partners and CFS designers

Requirements

• Bachelor’s degree in a relevant engineering field (mechanical, aerospace, civil, or nuclear)
• Experience designing new or upgraded scientific instruments of significant scale and complexity
• Demonstrated experience using scientific instruments to support operational or research missions
• Software development skills in Python, Matlab, C++, or equivalent for data analysis and equipment automation
• Hands-on knowledge of diagnostic systems (e.g., vacuum systems, lasers, calibration sources)
• Ability to understand engineering and physics tradeoffs
• Ability to occasionally lift up to 50 lbs and perform physical activities like climbing or standing for extended periods
• Willingness to travel or work required nights, weekends, or on-call occasionally
• Ability to work in a facility with industrial hazards including high voltage, strong magnets, and cryogenics

Preferred Qualifications

• Participation in the design and implementation of a plasma diagnostic for a magnetically confined fusion experiment at University-scale or above

Benefits

• Competitive compensation with equity
• 13 Company-wide Holidays and flexible vacation days
• 10 sick days and generous parental leave policy
• Health, dental, and vision insurance
• 401(k) with employer matching
• Professional growth opportunities and team-building activities

About the Company

Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. We are designing and building commercially viable fusion power plants, combining decades of research with new technologies. As the largest and leading private fusion company in the world, we are building the energy industry of the future.