Senior Nuclear Core Design & Analysis Engineer

Aalo Atomics; Idaho Falls (ID); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Health Insurance

Dental Insurance

Vision Insurance

Paid Time Off

Job summary

Aalo Atomics, based in Austin, TX or Idaho Falls, ID, is seeking a Nuclear Analysis Engineer to advance core design, safety analyses, and licensing support for modular sodium-cooled reactor systems. You will perform advanced reactor physics, neutronics analyses, and cross-disciplinary coupling for multi-physics assessments.

The role requires 5+ years in reactor physics, proficiency in Monte Carlo methods and Python, and strong communication skills.

Qualifications

• Bachelor’s degree in Nuclear Engineering, Physics, Mechanical Engineering, or a closely related technical discipline.
• 5+ years of experience performing reactor physics or neutronics analyses for nuclear reactor systems.
• Proficiency in Python for engineering analysis, automation, scientific computing, or data processing.
• Experience with continuous-energy Monte Carlo methods and codes.
• Strong written and verbal communication skills.

Responsibilities

• Perform neutronics and reactor physics analyses in support of design, evaluation, and optimization of advanced reactor cores.
• Develop high-fidelity three-dimensional reactor models using Monte Carlo transport tools.
• Perform deterministic reactor physics calculations and develop reduced-order models for design iteration.
• Evaluate core criticality, neutron flux and power distributions, and other nuclear design parameters.
• Prepare clear, well-organized technical reports and supporting documentation for design reviews and licensing activities.
• Communicate methods, assumptions, uncertainties, and design implications to technical and cross-functional stakeholders.

Skills

Reactor physics

Neutron transport

Python

Monte Carlo

Deterministic methods

Technical writing

Education

Bachelor’s degree in Nuclear Engineering, Physics, Mechanical Engineering, or related field

Master’s degree or Ph.D. in Nuclear Engineering or related field

Tools

Serpent

MCNP

OpenMC

SCALE/KENO

Griffin

DIF3D

Job description

Aalo Atomics, based in Austin, TX or Idaho Falls, ID, is seeking a Nuclear Analysis Engineer to advance core design, safety analyses, and licensing support for modular sodium-cooled reactor systems. You will perform advanced reactor physics, neutronics analyses, and cross-disciplinary coupling for multi-physics assessments.

The role requires 5+ years in reactor physics, proficiency in Monte Carlo methods and Python, and strong communication skills.