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System Design Engineer

📍 Location
Bellevue
⏰ Job Type
Full-time
📅 Posted
June 03, 2026

About the Role

Position Summary
System One is seeking a System Design Engineer to support advanced nuclear reactor projects. This role focuses on system design, analysis, and supplier oversight, supporting complex fluid systems within a highly regulated environment.

The ideal candidate will act as a system-level engineer, working across multiple disciplines to develop, integrate, and refine system designs from concept through commissioning. This is a highly collaborative role within a high-performing team of engineers and scientists.
Responsibilities

+ Design fluid systems from requirements development through final design and commissioning

+ Perform technical trade studies to refine system performance and design decisions

+ Oversee suppliers during development and fabrication of processing, filtration, and monitoring equipment

+ Review component designs and assess impacts on overall system performance

+ Develop system-level engineering doc...

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