Joblaze summary

The Senior Semiconductor Device Engineer at Helion focuses on designing and developing advanced semiconductors for high-performance pulsed power systems in fusion generators. This role requires expertise in power electronics, semiconductor physics, and circuit design, along with a strong background in rapid prototyping and testing. Ideal candidates will have over eight years of relevant experience and a degree in Electrical Engineering or Physics. Helion's collaborative environment emphasizes urgency and rigorous problem-solving as the company works towards its goal of creating the first fusion power plant.

Joblaze insights

Listed yesterday — first seen on Joblaze October 25, 2026. Last confirmed on Helion's careers page October 25, 2026.
power electronics appears in 0.8% of 2607 comparable senior other roles in United States; Circuit Design appears in 0.1% of 2607 comparable senior other roles in United States.

Quick facts

Is the Senior Semiconductor Device Engineer role remote?: No — this is an on-site role in Everett, WA, United States.
How much experience is required?: At least 8 years of relevant experience for this Senior Semiconductor Device Engineer role.
Where is the role based?: Helion is hiring for this position in Everett, WA, United States.
What's the tech stack?: Joblaze extracted these technologies from the posting: Circuit Design, Pulsed Power Systems, Semiconductor, Simulation Tools, power electronics.
What seniority level is this role?: Helion targets senior candidates for this position.
Is this full-time or contract?: Full-time for this Senior Semiconductor Device Engineer role at Helion.

From the original posting

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

Medical, Dental, and Vision plans for employees and their families
10 Paid holidays, plus company-wide winter break
Up to 5% employer 401(k) match
Annual wellness stipend

Standard company text repeated across Helion's postings is omitted here.

Senior Semiconductor Device Engineer

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