About the role#
This is a hands-on, in-person internship based in San Francisco for the Spring 2027 term. You will work directly with our research and development team on projects involving neutron diagnostics, target design, and test stand development. We match projects and mentors to your specific interests and our current needs.
What you'll do#
- Assemble and characterize plastic scintillation detectors for real-time neutron monitoring.
- Perform gamma spectroscopy calibrations and measurements for activation foil counting.
- Research and prototype new manufacturing methods for critical components.
- Commission and operate a test stand.
- Operate and troubleshoot diagnostic instruments.
- Analyze diagnostic data to track experiment performance and inform system upgrades.
- Document systems and workflows so others can maintain them.
What you'll need#
- Current enrollment in a physics, mechanical engineering, electrical engineering, computer engineering, or other technical degree program.
- Physics students should have meaningful hands-on experience in fabrication, mechanical engineering, test engineering, or vacuum systems operation.
- Mechanical engineering students should have meaningful exposure to physics through coursework, projects, or personal study.
- Students in engineering physics programs or double majors are encouraged to apply.
- We are particularly interested in candidates with experience in plasma physics, plasma diagnostics, vacuum systems, radioactive materials handling, or Monte Carlo transport codes.
- Strong communication skills and the ability to think holistically about systems.
Location & details#
- Location: San Francisco, California.
- Term: Spring 2027.
- Modality: On-site.
- Compensation: $27.88 to $40.87 per hour, depending on qualifications.
- Relocation: $1,500 relocation bonus provided.
About Marathon Fusion
Marathon Fusion develops fuel processing technology for fusion power plants. The company focuses on the practicality and adoption of fusion energy. It operates within the renewable energy equipment manufacturing sector. Based in San Francisco, California, the organization employs between 11 and 50 people.
How to get in at Marathon Fusion
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