Senior Nuclear Methods Engineer Fast Reactor Modeling

TerraPower; Bellevue (WA); On-site; USD 168,316 - 252,475; Full time

Benefits offered by this job

Competitive Compensation

Discretionary short-term incentive

Medical and wellness benefits

Parental Leave

401k Plan

PTO 21 days

Holidays 10 days

Relocation Assistance

Professional and Educational Support

Job summary

TerraPower, based in Bellevue, WA, seeks a highly experienced Nuclear Methods Engineer to join the team focusing on advanced nuclear reactor research and medical isotopes initiatives. The role involves formalizing software requirements, performing V&V, and integrating multiple simulation tools to meet licensing standards.

Ideal candidates will have deep reactor physics knowledge, strong programming skills in Python/C++, and a track record in delivering robust simulation workflows within a QA

Qualifications

• B.S. in Mechanical Engineering or related discipline.
• 15+ years of relevant experience (experience level may be substituted for advanced degree).
• Fast reactor physics and design intuition.
• Experience with nuclear design/analysis methodologies (criticality, flux distributions, fuel management, reactivity coefficients, shielding, activation).
• Strong programming skills in Python/C++; Fortran a bonus.

Responsibilities

• Create formal documentation of nuclear methods software requirements, design, implementation, and testing for licensing TerraPower reactors.
• Update, improve, and create software to satisfy licensing requirements during V&V.
• Incorporate additional 3rd-party programs in the simulation ecosystem to support licensing.
• Design and execute sensitivity studies to understand modeling assumptions and uncertainties.
• Train reactor designers and developers in the design software suite.
• Build and apply methods to assess uncertainty propagation and safety margins.
• Enhance models with input tools, visualization, and reporting.

Skills

Nuclear methods

Reactor physics

Programming (Python/C++)

Simulation tools

Documentation skills

NQA-1 QA experience

Communication skills

Team collaboration

Education

B.S. in Mechanical Engineering

Tools

DIF3D

MCNP

PARTISN

Serpent

MC2

SCALE

PARCS

APA

CASMO

DRAGON

ARMI

Job description

TerraPower, based in Bellevue, WA, seeks a highly experienced Nuclear Methods Engineer to join the team focusing on advanced nuclear reactor research and medical isotopes initiatives. The role involves formalizing software requirements, performing V&V, and integrating multiple simulation tools to meet licensing standards.

Ideal candidates will have deep reactor physics knowledge, strong programming skills in Python/C++, and a track record in delivering robust simulation workflows within a QA