Materials Chemist: Coolant Degradation & Corrosion Expert

Helion; Everett (WA); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Medical, Dental, and Vision plans

31 Days of PTO (vacation + sick)

10 paid holidays, winter break

Up to 5% 401(k) match

Short/Long term disability and life保险

Paid parental leave

Annual wellness stipend

Job summary

Helion in Everett, WA seeks a chemistry–materials scientist to own coolant/fluids interactions with materials and components. You will quantify degradation mechanisms and define compatibility limits, developing practical mitigation strategies to improve system reliability and lifetime.

This onsite role reports to the Materials Science Manager and spans chemistry, materials science, and hardware engineering to directly impact Helion's fusion systems.

Qualifications

• MS or PhD in Chemistry, Materials Chemistry, Corrosion Science, Chemical Engineering, or related field.
• 5+ years of experience in corrosion/electrochemistry, coolant or process fluid chemistry, materials compatibility testing, or degradation and failure analysis in demanding environments.
• Demonstrated ability to design experiments, analyze multi-variable datasets, and communicate actionable results to engineering teams.

Responsibilities

• Own the chemistry-driven understanding of how coolants and process fluids interact with materials and components.
• Quantify degradation mechanisms, define compatibility limits, and develop practical mitigation strategies.
• Develop test conditions reflecting relevant operating environments (temperature, pressure, flow, impurity levels, cycling).
• Develop and validate mitigation strategies.
• Drive cross-functional integration and execution.

Skills

Corrosion science

Experiment design

Data analysis

Education

MS or PhD in Chemistry/Materials/Corrosion/Engineering

Job description

Helion in Everett, WA seeks a chemistry–materials scientist to own coolant/fluids interactions with materials and components. You will quantify degradation mechanisms and define compatibility limits, developing practical mitigation strategies to improve system reliability and lifetime.

This onsite role reports to the Materials Science Manager and spans chemistry, materials science, and hardware engineering to directly impact Helion's fusion systems.