About the role#
You will join our R&D engineering team to work on plasma centrifuge technology for isotope separation and the fusion fuel cycle. We operate multiple plasma centrifuge test stands that spin plasmas at high speeds, and we have additional systems in the design stage. This position is for the Spring 2027 term and is based on-site in San Francisco.
What you'll do#
- Build, modify, leak-check, and maintain high-vacuum and plasma systems.
- Create mechanical parts, assemblies, and drawings using 3D CAD software.
- Coordinate with vendors and machine shops to manufacture your designs.
- Perform thermal, structural, and fluid-flow analysis on your work.
- Assist engineers and scientists with experiments on isotope-separation devices and test subsystems.
- Build and modify high-power electrical systems, including wire harnesses, diagnostic systems, and controls hardware.
- Develop and update control-system software.
What you'll need#
- Current enrollment in a Mechanical, Mechatronics, Electrical, or Physics degree program.
- Proficiency with 3D CAD software.
- Hands-on experience in fabrication, test engineering, or vacuum systems operation.
- Strong written and oral communication skills.
- Ability to work autonomously and learn new technical subjects quickly.
- Experimental mindset with the ability to form and test hypotheses.
- Conscientiousness, integrity, and the ability to balance long-term goals with immediate tasks.
- Familiarity with GD&T, high-vacuum systems, compressed gases, or plasmas is a plus.
Location & details#
- Location: San Francisco, California.
- Term: Spring 2027.
- Modality: On-site.
- Status: Full-time, paid internship.
- Note: We do not provide visa sponsorship.
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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