Power Electronics Engineer
TLDR
Lead design and development of HTS magnet power supplies for a high-current stellarator, combining power-stage design, topology selection, protection, and hands-on prototyping.
About Thea Energy:
Thea Energy is leveraging recent breakthroughs in stellarator physics and engineering to create a faster and simpler approach to commercializing fusion energy. The company is reinventing the stellarator using computer-controlled arrays of planar coils thereby replacing the intricate, complex modular magnets required in all other stellarator architectures. Thea Energy is on a mission to create a limitless source of zero emission energy for a sustainable future.
Position Overview:
Thea Energy is seeking a Power Electronics Engineer to design and develop the HTS magnet power supply systems for the company’s Eos integrated stellarator. This role focuses on building a high-current AC-DC converter for HTS magnets, requiring precision current regulation, high reliability, and scalable architecture.
This role will be responsible for power stage design, topology selection, control algorithm interface, and protection systems, as well as thermal and mechanical integration. This is a high-impact engineering role with hands-on prototyping, testbed validation, and cross-functional collaboration with embedded systems and instrumentation teams.
As part of a rapidly growing team, you’ll be part of the organizational build-up of a leading fusion energy company. This role will have a high degree of autonomy and must be able to move quickly. The Thea Energy team is comprised of self-motivated, creative, and fun individuals with an excitement for solving complex problems.
Key Responsibility Areas:
Ideal Experience & Skillsets:
Company Benefits:
Requirements:
It’s not necessary to meet all of the skillsets outlined above. Please feel free to send us a note and tell us why you would still be a great fit for this role or Thea Energy.
Diversity and Inclusion:
Thea Energy is an equal opportunity employer committed to creating a company of diverse backgrounds. By creating a diverse environment, we will bring new ideas and approaches to solving some of the world’s hardest (and most important) problems. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, sexual orientation, gender identity or expression, national origin, family or marital status, age, disability, veteran’s status, or other characteristic protected by applicable laws and regulations.
Benefits
Health Insurance
Comprehensive health benefits (e.g. medical/dental/vision)
Paid Time Off
20 days PTO
Stock Options
Employee equity stock options
Thea Energy is pioneering advancements in stellarator physics to simplify the commercialization of fusion energy. By utilizing computer-controlled planar coils instead of complex traditional magnets, we aim to create a limitless source of zero-emission energy, driving the future of sustainable power.
- Founded
- Founded 2022
- Employees
- 51-200 employees
- Industry
- renewables & environment
- Funding stage
- Series B
- Total raised
- $20M raised
- Last funding
- Raised February 2026