Helion · 2 days ago
Nuclear Engineer - Diagnostics
Everett, WA
Full-time
Onsite
Mid, Senior Level
$138K/yr - $180K/yr
4+ years expHelion is a fusion power company based in Everett, WA, aiming to build the world's first fusion power plant for clean electricity. The Nuclear Engineer will develop, operate, and analyze data from diagnostic detectors for fusion generators, collaborating with various teams to enhance detector development and ensure safety.
EnergyEnvironmental EngineeringRenewable Energy
Responsibilities
Design, construct, calibrate, and operate neutron, photon, and charged particle diagnostics. Detector types include inorganic and organic scintillators, ion chambers, and activation foils
Develop MATLAB or Python scripts to process detector output; prepare plots and analyses to present internally to the RaSNS, Research, and Test Operations team and externally at technical conferences
Perform uncertainty quantification and error propagation
Use ancillary skills to enhance detector development, e.g, Monte Carlo simulations or circuit/electrical design
Qualification
Required
An advanced understanding of nuclear physics, including neutron interactions, photon interactions, cross sections, attenuation, radioactive decay, and other types of radiation
4+ years of experience constructing, operating, and analyzing the same detector. Demonstrated experience with electronic read-out design including digitizers, high-voltage supplies, and DAQs
4+ years of experience analyzing data, including the analysis of raw pulses (e.g, pile-up rejection and pulse shape discrimination), and uncertainty quantification and propagation
4+ years of experience documenting detector design, operation, and analysis scripts
Simulation/modeling experience with a strong preference for MCNP6
Experience working in pulsed electromagnetic and/or high EMI noise environments
Benefits
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
Company
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.
201-500 employees
H1B Sponsorship
Helion has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2024 (1)
2023 (2)
2022 (1)
2021 (1)
Funding
Current Stage
Late StageTotal Funding
$1.04BKey Investors
Nucor CorporationSam AltmanDustin Moskovitz
2025-01-28Series F· $425M
2023-09-27Corporate Round· $35M
2021-11-05Series E· $500M
Leadership Team
David Kirtley
Founder and CEO
Chris Pihl
Co-Founder, CTO
Recent News
2025-12-24
Crunchbase News
2025-12-18
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2025-12-17
Company data provided by crunchbase