Helion
Principal Nuclear Materials Engineer
$264K–$317K
Everett, WA · On-site · Principal · Full-time · Posted Oct 1, 2025
- Experience
- 15+ years of hands-on work; 15+ years handling radioactive material; 8+ years working on non-aqueous corrosion and environmentally assisted degradation mechanisms; 8+ years working on neutron interactions; 8+ years performing data analysis and related communication.
- Education
- Typically a degree in nuclear engineering, materials science, physics, or related discipline.
About the job
Advise on materials for high-radiation environments and assess how neutron exposure affects material properties and system-level risk.
What you'll do
- Guide engineering design decisions using analysis of radiation effects on materials.
- Partner with neutronics engineers to model radiation impacts and assess system-level risk; oversee testing campaigns.
- Lead strategic projects, review and summarize technical literature, and coordinate with internal teams and external organizations.
What they ask for
- Professional understanding of radiation effects on materials, typically demonstrated by a degree in nuclear engineering, materials science, physics, or a related discipline and hands-on work.
- Experience handling radioactive material.
- Experience with non-aqueous corrosion and environmentally assisted degradation mechanisms, and with neutron interactions such as transmutation or helium bubble generation.
- Experience in data analysis, presentation, technical communication, and writing using a common coding language; rigorously consider uncertainty and statistics.
Pay
$264K – $317K (USD, base salary)
Tools
Python, MATLAB, C++
Model-written summary · the original posting is authoritative