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Senior Applied Plasma Data Scientist

HelionEverett, WAScience
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Salary
$210K - $250K USD
Job type
Full-time
Posted
18 Aug 2026
Status
Open · checked 7d ago

About this role

Helion is seeking a full-time Senior Applied Plasma Data Scientist to join their science team based in Everett, Washington. This on-site role suits experienced professionals eager to develop synthetic diagnostic models and machine-learning frameworks that advance clean fusion energy development.

Role Overview

The Senior Applied Plasma Data Scientist will specialize in synthetic diagnostics to enhance the measurement, interpretation, and modeling of field-reversed configuration plasma behavior. Reporting to the Experimental Science Manager at the Everett, WA facility, this position involves creating and validating synthetic diagnostic models linking experimental signals with simulation outputs to boost diagnostic accuracy and performance interpretation. During the first year, the professional will integrate these models with experimental and simulation data pipelines to facilitate quicker and more reliable experimental analysis.

Key Responsibilities

Develop and validate machine-learning frameworks for FRC plasma-dynamics using physics-grounded machine learning approaches.
Integrate machine learning models with simulation tools and experimental-diagnostic pipelines to enable hybrid physics and data-driven validation workflows.
Reproduce experimental plasma conditions within machine learning modeling workflows to support the interpretation of magnetic diffusion, circuit response, and diagnostic measurements.
Create analysis scripts for post-processing, parsing model outputs, and visualizing correlations between predictions and experimental results.
Collaborate with experts in plasma-physics, pulsed-power, and transient-magnetics to expand the fidelity and fusion-relevance of modeling frameworks.
Communicate research findings clearly through reports, presentations, and technical visualizations.

Requirements

Hold a PhD in Physics, Engineering, Applied Math, Computational Science, Machine Learning, or a closely related field focusing on physics-grounded modeling.
Bring three or more years of industry or research-lab experience applying machine learning in experimental, simulation-driven, or scientific R&D settings.
Demonstrate expertise with physics-informed or physics-constrained machine learning methods, including differentiable physics, PINNs, scientific machine learning, surrogate modeling, or reduced-order models.
Possess experience integrating machine learning models with scientific-computing workflows, simulation tools, or experimental diagnostics.
Show familiarity with magnetic diffusion, circuit coupling, or plasma-dynamics modeling in pulsed-power or electromagnetics systems.

Skills and Tools

Proficiency in scripting languages such as Python or MATLAB for data parsing, model analysis, and visualization.
Exposure to Fortran or high-performance computing environments is valuable.
Application of physics-grounded machine learning frameworks.

Salary and Benefits

Annual salary range between $210,000 and $250,000 in USD.
Comprehensive medical, dental, and vision plans for employees and their families.
31 days of paid time off, consisting of 21 vacation days and 10 sick days.
10 paid holidays plus a company-wide winter break.
Up to 5% employer match on 401(k) contributions.
Short-term disability, long-term disability, and life insurance coverage.
Paid parental leave and support offering up to 16 weeks.
Annual wellness stipend.

About the Company

Helion is a fusion power company founded in 2013 and located in Everett, WA, with the mission of building the world's first fusion power plant to enable a future of unlimited clean electricity. The organization has raised $1.5 billion from investors including Sam Altman, Mithril, Capricorn Investment Group, Thrive Capital, LightSpeed Venture Capital, and SoftBank. The current prototype, Polaris, has achieved record-breaking plasma temperatures, driving momentum toward the Orion fusion power plant.

How to Apply

Interested candidates should visit the official Helion careers page to submit an application for this position.

Skills and tech stack

Python

Questions candidates ask

Where is this job located?

This full-time position is located on-site at the Helion office in Everett, WA.

What is the salary range for this role?

The annual salary for the Senior Applied Plasma Data Scientist ranges from $210,000 to $250,000 USD.

What are the core educational requirements?

Applicants must hold a PhD in Physics, Engineering, Applied Math, Computational Science, Machine Learning, or a related field with an emphasis on physics-grounded modeling.

How many years of experience are required?

Candidates must have 3 or more years of industry or research-lab experience applying machine learning in experimental, simulation-driven, or scientific R&D environments.

What benefits are included in the compensation package?

Benefits include medical, dental, and vision plans, 31 days of PTO, 10 paid holidays plus a winter break, up to a 5% 401(k) match, disability and life insurance, up to 16 weeks of paid parental leave, and an annual wellness stipend.

Ready to apply?

The application is on the official Helion careers page.

Apply on company site