Senior Design Engineer
Helion
Design, prototype, and scale high‑energy capacitors for Helion’s fusion generators.
4 days ago ago
$150,000 - $200,000
Expert & Leadership (13+ years), Experienced (8-12 years)
Full Time
Everett, WA
Onsite
Company Size
300 Employees
Service Specialisms
Engineering / Technical Services
Project Management Support
Digital Services
Feasibility Study
Safety & Customer Training
Customer Care / Predictive Maintenance
Sector Specialisms
Energy
Nuclear/Fusion
Role
What you would be doing
capacitor design
qualification testing
ht manufacturing
scale production
prototyping
troubleshooting
- Perform detailed capacitor design analysis and lead qualification testing for upcoming fusion generator builds
- Contribute to long-term design strategies that reduce supply chain risks and integrate emerging capacitor technologies
- Incorporate high-throughput manufacturing methods into capacitor designs to enable efficient mass production
- Partner with supply chain, manufacturing engineering, and production teams to scale Helion’s capacitor output from 10 MJ to 100,000 MJ annually
- Support the design of capacitors from initial requirements through prototyping, testing, and scaling for high-volume manufacturing
- Prototype and test capacitor systems to improve energy density, reduce cost, minimize electrical losses, and enhance manufacturability
- Collaborate across engineering teams to align capacitor design with pulsed power circuit needs and overall generator performance goals
- Troubleshoot and resolve capacitor-related issues during integration and testing phases
What you bring
electromechanical
8+ years
bachelor's
communication
manufacturing
rapid prototyping
- 8+ years of electromechanical design experience, with a strong track record of rapid execution and solving complex problems
- Proven ability to influence across engineering functions and deliver high-impact results
- Bachelor’s degree in Engineering
- Strong communication skills and demonstrated success collaborating with supply chain and production teams
- Ability to apply physics-based first principles to evaluate and improve design assumptions
- Experience scaling manufacturing throughput and production rate
- Experience owning full lifecycle development of electromechanical assemblies
- Hands-on engineering experience in rapid prototyping and iterative design environments
- Paid parental leave and support (up to 16 weeks)
- Medical, Dental, and Vision plans for employees and their families
- Short term disability, long term disability, and life insurance
- Up to 5% employer 401(k) match
- 31 Days of PTO (21 vacation days and 10 sick days)
- Annual wellness stipend
- 10 Paid holidays, plus company-wide winter break
Information not given or found
Interview process
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Visa SponsorshipInformation not given or found
Security clearanceInformation not given or found
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Company
Overview
100M °C
Plasma Temperature
Achieved a plasma temperature of 100 million degrees Celsius, a critical milestone in fusion energy.
$1B
VC Funding
Received over $1 billion in venture capital funding to support their fusion energy research and development.
$5B
Valuation
Valued at over $5 billion in their Series F funding round, reflecting strong investor confidence in their fusion technology.
50 MW
Power Plant
Aiming to deliver a 50 MW fusion-generated electricity plant by 2028, marking a significant step toward commercial fusion energy.
- Pursues a bold vision: taming the power of stars on Earth through fusion energy.
- Develops magneto-inertial fusion technology, merging plasma at extreme speeds and capturing energy directly.
- Pioneers in aneutronic fusion, recycling byproducts to generate helium-3, a sustainable fuel source.
- Shifts from lab-scale to industrial-scale fusion with the Polaris device, supported by legal agreements.
- Aims for rapid iteration with reactor designs capable of one pulse per second, enabling modular fusion systems.
- Build with urgency
- Take ownership
- Execute rigorously
- Deliver hard truths
$500M in 2021
Investment Figure
Raised $500 million in 2021 to accelerate the development of their net-electricity target device, Polaris.
100M°C
Plasma Temperature Achievement
Achieved a milestone by heating plasma to 100 million degrees Celsius in June 2021.
500 MWe
Fusion Plant Capacity
Partnered with Nucor to deploy a 500 MWe fusion plant, enabling zero-carbon baseload power for steelmaking.
- Committed to generating zero‑carbon electricity from fusion
- Pulsed non‑ignition fusion approach avoids steam turbines and cooling towers by direct electricity capture
- Supporting right‑sized regulation to enable safe and rapid fusion deployment
- Applied for nitrogen‑based fire suppression and borated‑polyethylene shielding for safety and environmental protection
3.4/5 Rating
Glassdoor Employee Reviews
Reveals the company's inclusion and diversity initiatives based on employee feedback on Glassdoor.
4.4/5 for Men
Employee Inclusion Score
Indicates the level of inclusivity experienced by male employees.
4.7/5 for Non-disabled
Employee Inclusion Score
Reflects the high level of inclusivity experienced by non-disabled employees.
4.7/5 for Non-veterans
Employee Inclusion Score
Showcases the inclusive environment for employees who are not veterans.
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