Principal Nuclear Materials Engineer

Helion Energy • Everett, WA

105d • $200,000 - $275,000

About The Position

You will play a key role in developing designs and materials suited for high-radiation environments, providing analysis and guidance to engineers on the behavior and performance of a wide range of materials under radiation exposure. In this onsite role, based at our Everett, WA office, you will report to the Director of Materials Science and collaborate closely with cross-functional teams to advance Helion’s mission.

Requirements

• A professional understanding of radiation effects on materials, typically demonstrated by a degree in nuclear engineering, materials science, physics, or related discipline and 15+ years of hands-on work
• 15+ years of experience handling radioactive material
• 8+ years of experience working on non-aqueous corrosion and environmentally assisted degradation mechanisms (e.g., stress corrosion cracking, creep, accelerated fatigue)
• 8+ years of experience working on neutron interactions leading to e.g., material transmutation or helium bubble generation
• 8+ years of experience performing data analysis with a common coding language (Python, MATLAB, C++), data presentation, technical communication, and writing
• Data presentation should include rigorous consideration of uncertainty and statistics

Responsibilities

• Advise engineering design decisions based on radiation effects (due to neutrons) on materials used within the radiation shield vault, e.g., metals used in magnet coils, dielectrics used for structure, and ceramics
• Partner with neutronics engineers to predict dpa, analyze, model, and predict macroscopic effects on material properties including thermal conductivity, electrical resistivity, and mechanical strength. Assess system-level radiation risk
• Oversee testing campaigns to quantify impact of radiation on material properties
• Lead strategic projects to expand capabilities
• Perform literature reviews on radiation effects on materials of interest and distill the information into summaries for non-nuclear engineers
• Operate in an environment with obstacles and changing requirements. Balance risks without compromising the delivery
• Partner with other internal Helion teams, external vendors, national laboratories, and universities to gather the required capabilities. Develop your network and represent Helion at technical meetings and conferences

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

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: Master's degree
• Number of Employees: 251-500 employees