Mechanical Engineer

About Helion

We are a fusion power company based in Everett, WA, with the mission to build the world's first fusion power plant, enabling a future with unlimited clean electricity. Our vision is a world with clean, reliable, and affordable energy for everyone.

Since Helion's founding in 2013, we have raised $1.5 billion from long-time investors such as Sam Altman, Mithril, and Capricorn Investment Group as well as new investors including Thrive Capital, LightSpeed Venture Capital, SoftBank, and others to propel us forward. Our current prototype, Polaris, has reached record-breaking plasma temperatures of 150 million degrees Celsius (13 keV). Helion is continuing to iterate and on the path to the world's first fusion power plant, Orion.

This is a pivotal time to join Helion. You will tackle real-world challenges with a team that prizes urgency, rigor, ownership, and a commitment to delivering hard truths – values essential to achieving what no one has before. Together, we will change the future of energy, because the world can't wait.

What You Will Be Doing:

You will own the design and development of hardware for Helion’s fusion devices. In this role, you will solve complex, multidisciplinary engineering problems critical to deploying fusion energy at scale. You will collaborate closely with engineers and technicians while contributing to the culture and growth of a fast-moving team. This is an onsite role located at our Everett, WA office.

You Will:

Own and improve subsystem designs including electromagnetic, structural, fluid, thermal, and control systems

Learn from historical engineering approaches and design novel hardware for testing and integration into Helion’s fusion devices

Design hardware in CAD software such as NX or SolidWorks

Perform analysis using tools like ANSYS and lead design reviews to incorporate feedback and iterate toward functioning systems

Expand your engineering skills and domain knowledge by learning from experts

Work hands-on with experienced technicians to build and implement hardware designs

Troubleshoot hardware issues on integrated fusion generators as they arise

Required Skills:

Bachelor’s degree in Engineering

3+ years of professional experience delivering full-scope engineering projects, including schedule ownership

Experience applying first-principles and method-based thinking to solve technical problems

Hands-on exposure to multiple engineering disciplines including mechanical, electrical, and fluids

Advanced experience with CAD software (e.g., NX, SolidWorks)

Experience with FEA software (e.g., ANSYS, FEMAP)

#LI-Onsite #LI-KL1

Benefits

Our total compensation package includes benefits, including but not limited to:

Medical, Dental, and Vision plans for employees and their families

31 Days of PTO (21 vacation days and 10 sick days)

10 Paid holidays, plus company-wide winter break

Up to 5% employer 401(k) match

Short term disability, long term disability, and life insurance

Paid parental leave and support (up to 16 weeks)

Annual wellness stipend

Helion is an equal opportunity employer and value diversity at our company. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. If you need assistance or an accommodation during the interview process, please let us know.