Materials Scientist or Engineer – Precision Sphere Production

Inertia
Livermore$150k – $285kPosted 9 March 2026

Job Description

Materials Scientist or Engineer – Precision Sphere Production Overview: We are seeking a Materials Scientist to lead the development of mass production of several mm sized precision silicon spheres for next-generation fusion targets. This role will pioneer advanced precision techniques for mass production of precision fusion capsules on machines to enable large-scale manufacturing on the scale of a 10 Hz manufacturing rate. Primary Responsibilities: - Develop equipment and processes for grinding, polishing, lapping spheres or alternative techniques. - Develop/oversee creating low cost feed stock for sphere production with single crystal silicon. - Implement precision metrology appropriate for mass production of spheres. - Assist with polishing of diamond overcoated spheres. - Investigate other related materials issues needed in the production of targets at mass scale. Qualifications: Required: - PhD or MS, or experience equivalent, in Materials Science, Applied Physics, Mechanical Engineering, Manufacturing Engineering, or related field. - Experience with ceramics or other brittle materials. - Strong analytical measurement skills. Preferred: - Demonstrated ability to work with mass production machines or processes. - Experience polishing to a high degree of smoothness. - Experience with sphere or ball manufacturing. - Familiarity with process scale-up or industrial mass production. Salary & Benefits: - The base salary range for this role is $150,000 - $285,000; The pay range provided is an estimated base range for this role. Exact compensation may vary based on skills, experience, and education. - We offer market-competitive compensation and an excellent benefits program, including Medical, Dental, and Vision plans, company-paid holidays, matching 401k, and more! About Inertia: Inertia is taking the most direct, scientifically-proven path to commercializing fusion, leveraging the only successful achievement of fusion ignition, using a process that was pioneered at the U.S. Department of Energy’s (DOE) Lawrence Livermore National Laboratory (LLNL). With groundbreaking innovation, transformative technology, and multi-year investment, Inertia is committed to commercializing fusion energy in the next decade.
Apply Now

Direct link to company career page

Share