Reactor Physics Engineer – AMR Development

Eurelite (Beijing) Technology Co., Ltd; Paris; Sur place; EUR 75 000 - 110 000; Plein temps

Résumé du poste

EURELITE in Paris is seeking a Reactor Physics Engineer to join our core physics team and contribute to the design, analysis, and optimization of Advanced Modular Reactor cores. The role focuses on neutronics, reactor simulations, and multi-physics integration to advance AMR technology.

Based in Paris with collaboration across international teams, you will use OpenMC, MCNP, and SCALE tools to support design validation, verification, and performance improvements while preparing detailed reports

Qualifications

• Masters or higher in Nuclear Engineering or related field.
• Strong understanding of reactor physics and neutronics.
• Experience with Monte Carlo or deterministic reactor calculations.
• Familiarity with reactor core design and fuel management.

Responsabilités

• Perform reactor physics and neutronics analyses including power distribution, reactivity, depletion, and core performance.
• Apply Monte Carlo and deterministic simulation methods using tools like OpenMC/MCNP/SCALE.
• Support reactor core design optimization and reactivity management.
• Collaborate with multi-disciplinary teams for integrated reactor modeling.
• Develop data-driven methods and surrogate models for accelerated simulations.
• Prepare technical reports and design review materials.

Connaissances

Reactor physics

Neutronics analysis

Monte Carlo simulations

Multi-physics coupling

Formation

Master's degree in Nuclear Engineering

Reactor Physics

Neutron Physics

Nuclear Science & Engineering

Outils

OpenMC

MCNP

SCALE

Description du poste

About EURELITE

EURELITE is developing next-generation Advanced Modular Reactor (AMR) technologies to support a cleaner, safer, and more resilient energy future.

Location & Working Arrangement

EURELITE is currently building its global engineering presence. The company’s Paris office is expected to open in 2027. Until then, international candidates joining for on-site positions will initially work as part of our Beijing-based China engineering teamduring the first year.

Position Overview

We are seeking a Reactor Physics Engineer (Core Physics Engineer) to join our reactor development team and contribute to the physics design, analysis, and optimization of advanced nuclear reactor cores.

This role provides an exciting opportunity to work at the forefront of Advanced Modular Reactor (AMR) technology, applying neutron physics, reactor simulation methods, neutronics analysis, and multi-physics engineering approaches to develop next-generation nuclear energy systems.

The successful candidate will work closely with thermal-hydraulics, fuel, materials, structural, and system engineering teams to support integrated reactor design, verification, and technology advancement.

Key Responsibilities

• Perform reactor physics and neutronics analyses, including:
  • Power distribution and flux analysis
  • Reactivity calculations and control rod worth evaluation
  • Fuel depletion and burnup analysis
  • Core performance evaluation and optimization
• Apply Monte Carlo and deterministic reactor simulation methods using nuclear analysis tools (e.g., OpenMC, MCNP, SCALE, or equivalent) to support reactor core design and validation.
• Participate in reactor core design optimization, including fuel loading strategy, reactivity management, and neutronic performance improvement.
• Support multi-physics coupling and integrated reactor modeling activities with thermal-hydraulics, fuel, materials, and structural engineering teams.
• Develop and apply data-driven engineering methods, including surrogate models, reduced-order models, and simulation acceleration approaches.
• Prepare technical reports, engineering documentation, calculation notes, and design review materials.
• Support technical reviews and provide engineering recommendations for reactor physics design improvements and performance optimization.

Qualifications & Requirements

Education

• Master’s degree or above in:
  • Nuclear Engineering
  • Reactor Physics
  • Neutron Physics
  • Nuclear Science & Engineering
  • Related technical disciplines

Technical Skills

• Strong understanding of reactor physics, neutron transport theory, and neutronics analysis methods.
• Proficiency in Monte Carlo simulation methods and/or deterministic reactor physics calculation approaches.
• Experience with nuclear reactor simulation tools (e.g., OpenMC, MCNP, SCALE, or equivalent) is highly desirable.
• Knowledge of reactor core design, fuel management, reactivity control, and nuclear system analysis is preferred.

Professional Competencies

• Strong analytical capability and rigorous engineering problem-solving skills.
• Ability to conduct independent technical analysis and solve complex engineering problems.
• Strong collaboration skills within multi-disciplinary nuclear engineering teams.
• Good technical communication, documentation, and engineering report-writing skills.

Preferred Qualifications

Candidates with the following experience will be highly valued:

• Experience in reactor core design, core optimization, or fuel cycle analysis.
• Experience with Advanced Modular Reactor (AMR), Small Modular Reactor (SMR), or Generation IV nuclear reactor technologies.
• Experience in multi-physics modeling, coupled reactor simulations, or digital engineering approaches.
• Research experience or publications related to reactor physics, neutron transport, or nuclear system analysis.
• Research experience or publications related to reactor physics, neutron transport, or nuclear system analysis.

Why Join EURELITE?

At EURELITE, you will have the opportunity to:

• Work on cutting-edge Generation IV Advanced Modular Reactor technology
• Contribute directly to the future of clean and reliable energy
• Collaborate with international nuclear experts and engineering teams
• Apply advanced simulation and AI-driven approaches to nuclear innovation
• Grow with a pioneering technology company shaping the next generation of energy systems