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Senior Process Engineer, Fuel Cycle

What You’ll Be Doing

You will be at the forefront of designing the world's first continuous fusion fuel cycle – an opportunity to redefine the future of clean energy for the modern world. You will lead process design and implementation for major systems in our fuel cycle, taking systems from concept to commissioning. You'll work with engineers, scientists, and technicians across the company, with a focus on scaling up and integrating these systems into our commercial fusion platform. You will report to the Fuel Cycle Manager and work onsite at our Everett, WA office.

You Will

  • Own creation-to-integration engineering for major components of the fuel cycle, including system process design, procurement, installation, and commissioning

  • Perform detailed design for process equipment such as columns, reactors, membranes, heaters, pumps, and piping under varied conditions (ambient, cryogenic, and vacuum)

  • Use process simulation tools to support design development, integration, and case studies

  • Produce important deliverables including PFDs, P&IDs, H&MBs, HAZOPs, and sizing calculations

  • Independently lead projects across engineering disciplines (mechanical, electrical, controls, and operations) to deliver fully integrated process designs

  • Lead high-level design reviews to validate solutions and incorporate feedback into systems

  • Mentor fuel cycle engineers and work cross-functionally to build technical capabilities across Helion

Required Skills

  • Bachelor's degree in Chemical, Mechanical, or Nuclear Engineering or equivalent experience in chemical process design or development

  • 8+ years of experience delivering full-scope chemical engineering projects, including managing technical deliverables and schedules

  • Experience taking engineering ideas from abstract concepts to physical reality, demonstrated by delivering first-of-a-kind hardware solutions

  • Experience applying first-principles thinking by leading design and troubleshooting in complex engineering systems

  • Experience performing detailed process equipment sizing calculations including chemical, fluid, thermal, mechanical, and relief systems

  • Experience leading and working on multidisciplinary engineering projects

#LI-Onsite #LI-TM1

Average salary estimate

$155000 / YEARLY (est.)
min
max
$130000K
$180000K

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EMPLOYMENT TYPE
Full-time, onsite
DATE POSTED
December 26, 2025
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