About the job
About Marathon Fusion
At Marathon Fusion, we are pioneering the engineering advancements necessary to transition fusion energy from experimental stages to operational power plants. While many in the industry focus on the development of innovative fusion devices, we are dedicated to creating the practical systems required to implement fusion energy at a scale relevant to combating climate change.
We specialize in developing essential technologies for the fuel cycle and plant operations, including stable isotope production, fuel cycle closure, and advanced blanket systems that facilitate both energy generation and high-value co-products.
Founded in 2023, Marathon Fusion is committed to constructing the components and systems that will establish fusion as a viable, abundant, and reliable energy source for the modern era.
Our Culture
We operate in a dynamic startup environment that demands focus, adaptability, and prioritization in a constantly evolving landscape. Success here hinges on proactive communication across diverse roles and backgrounds, fostering trust among team members, and a commitment to continuous learning and skill development. We place a high emphasis on self-direction and initiative among our team members.
Position Overview
As an Applied Physicist on the Lithium Team, you will collaborate with mechanical engineers, electrical engineers, and technicians to design, implement, and analyze experiments that propel the advancement of the fusion fuel cycle and stable isotope production. Your hands-on expertise in designing and testing reactive material systems (such as lithium, liquid metals, or molten salts) will be crucial in the development of an innovative isotope separation device.
Key Responsibilities
Design and conduct experiments on lithium plasma systems functioning under high-vacuum and elevated temperature conditions.
Develop and utilize diagnostic tools, instrumentation, and data acquisition systems to accurately capture and analyze experimental data.
Interpret experimental findings to cultivate physical insights, identify key governing phenomena, and enhance system design and processes.
Work collaboratively with mechanical and testing engineers to translate experimental data into durable hardware solutions.
Contribute to the design and development of vital subsystems, including hollow cathodes, lithium handling, condensation, thermal management, and pumping systems.
Qualifications
5+ years of experience in designing, prototyping, and testing reactive materials systems.
Strong background in experimental physics, particularly in the context of fusion energy and isotopic separation.
Proficient in data analysis and interpretation, with a keen ability to derive actionable insights from experimental results.
Excellent communication skills and a collaborative mindset are essential for successful teamwork.
Bachelor's degree in Physics, Engineering, or a related field; advanced degrees are a plus.
