Senior Fuel Design Engineer — Own TRISO HTGR Architecture (Hybrid)

Nano Nuclear Energy, Inc.; Oak Ridge (TN); Hybrid; USD 155,000 - 175,000; Full time

Benefits offered by this job

Hybrid work environment

Relocation assistance available

Job summary

Nano Nuclear Energy, Inc. in Oak Ridge, TN seeks a Senior Fuel Design Engineer to own key aspects of advanced reactor fuel design for the KRONOS MMR, a HTGR using TRISO fuel.

You will translate analysis, irradiation results, and regulatory feedback into robust physical designs. Reporting to the Reactor Fuel Design Manager, you’ll collaborate across fuel performance, reactor physics, thermal-hydraulics, manufacturing, testing, and regulatory teams, maintaining controlled models in Teamcenter and

Qualifications

• Bachelor’s or Master’s degree in Mechanical, Nuclear, Aerospace Engineering or related field.
• 7+ years of engineering design experience involving nuclear fuel, reactor internals, graphite or ceramic components, or similar safety-significant hardware.
• Advanced proficiency with 3D CAD and Product Lifecycle Management systems.
• Experience translating analysis and experimental results into physical design changes.
• Knowledge of ASME NQA‑1 or 10 CFR Part 50 Appendix B design‑control practices.
• Experience with requirements traceability, manufacturing specifications, inspection criteria, tolerancing, and metrology.

Responsibilities

• Own and evolve controlled fuel design specifications and physical architecture.
• Develop and maintain 3D CAD models, 2D manufacturing drawings, and GD&T.
• Translate analysis, test results, regulatory feedback, and manufacturing constraints into design modifications.
• Evaluate design changes with fuel performance, reactor physics, and thermal-hydraulics engineers.
• Maintain controlled models, drawings, specifications, and design changes in Siemens Teamcenter.
• Maintain traceability across requirements, safety limits, specifications, acceptance criteria, and qualification testing.
• Define manufacturing, inspection, and test requirements for irradiation and safety testing.
• Resolve manufacturability, tolerance, inspection, and metrology issues while protecting design margins.

Skills

3D CAD

PLM systems

Analysis-to-design translation

Manufacturing constraints awareness

ASME NQA-1 / 10 CFR Part 50 Appendix B

Education

Bachelor’s or Master’s degree in Mechanical, Nuclear, or Aerospace Engineering

Tools

Siemens Teamcenter

Job description

Nano Nuclear Energy, Inc. in Oak Ridge, TN seeks a Senior Fuel Design Engineer to own key aspects of advanced reactor fuel design for the KRONOS MMR, a HTGR using TRISO fuel.

You will translate analysis, irradiation results, and regulatory feedback into robust physical designs. Reporting to the Reactor Fuel Design Manager, you’ll collaborate across fuel performance, reactor physics, thermal-hydraulics, manufacturing, testing, and regulatory teams, maintaining controlled models in Teamcenter and