Senior Semiconductor Device Engineer
- Location
- Everett, WA · On-site
- Job type
- Full-time
- Level
- Lead / Staff
- Experience
- 8+ years
- Education
- Bachelor's degree
- Listed
- 17 days ago
Skills & highlights for this role
- Power electronics
- High voltage semiconductor design
- Semiconductor physics
- Circuit design principles
- Rapid prototyping
- Semiconductor fabricator collaboration
- Simulation tools
- Power electronics test equipment
Also useful
- Emerging semiconductor materials
- Device architecture knowledge
- Pulsed power systems
- Electrical, mechanical, and physics integration
What You Will Be Doing
You will drive the design and development of cutting-edge semiconductors for high-performance pulsed power systems used in Helion’s fusion generators. You will work in a fast-paced environment to develop, test, and implement high-reliability, high-efficiency switching components, with a strong emphasis on rapid development cycles. You will report directly to our Senior Manager of Electrical Engineering, and this is an onsite role located at our Everett, WA office.
You Will
- Spearhead efforts to gather and utilize requirements for switching components and apply them toward design of physical products
- Drive the design and development of novel pulsed power electronics components and systems, focusing on high-efficiency, high-reliability semiconductor solutions
- Collaborate with cross-functional teams to ensure integration of electrical, mechanical, and physics-based principles in semiconductor development
- Lead development cycles, including hands-on prototyping, small-scale testing, and large-scale performance validation
- Conduct simulations, testing, and analysis to validate designs and iterate quickly using data-backed decision making
- Stay informed on emerging semiconductor materials, device architectures, and industry trends
- Document design processes, specifications, test results, and findings for continuous improvement and knowledge sharing
Required Skills
- Bachelor’s, Master’s, or higher degree in Electrical Engineering, Physics, or a related field
- 8+ years of experience in power electronics and high voltage semiconductor design
- Strong foundation in semiconductor physics, power electronics, and circuit design principles
- Proven experience with rapid prototyping and development cycles in a high-tech environment
- Background working with semiconductor fabricators to manufacture semiconductor devices
- Proficiency with simulation tools and test equipment for power electronics
#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
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.
Equal opportunity and legal notices
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.
From Helion Energy's careers page, first listed on Rolev.ai on October 23, 2026. Rolev.ai is not the employer.
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Common questions
Where is the Senior Semiconductor Device Engineer job at Helion Energy located?
This Senior Semiconductor Device Engineer position at Helion Energy is located in Everett, WA (On-site). Always check Helion Energy's application page for specific state eligibility or relocation policies.
What qualifications are required for Senior Semiconductor Device Engineer at Helion Energy?
For the Senior Semiconductor Device Engineer role, Helion Energy highlights 8+ years of relevant experience; a bachelor's degree; experience with Power electronics, High voltage semiconductor design, Semiconductor physics, Circuit design principles, Rapid prototyping, Semiconductor fabricator collaboration. Rolev.ai can score your existing resume against these requirements and show any skill gaps before you apply.
How do I apply for the Senior Semiconductor Device Engineer position at Helion Energy?
This listing links directly to Helion Energy's Ashby application page. You can apply directly on Helion Energy's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the Ashby application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.