Shielding Analysis Engineer

Jobtailor; Santa Clara (CA); On-site; USD 120,000 - 160,000; Full time

Job summary

Jobtailor seeks a Shielding Analysis Engineer to define, develop, and execute radiation shielding and transport analyses in support of reactor design, plant layout, and safety assurance. You’ll collaborate with the broader design team to capture requirements, establish scope, and implement source term, activation, dose rate, streaming, and shielding models using Monte Carlo and deterministic methods.

The role involves working with MCNP, SCALE, OpenMC, and Serpent, performing validation against

Qualifications

• Bachelors, Masters, or PhD in a technical field such as nuclear engineering with experience in reactor design, radiation transport, shielding analysis, or radiation protection.
• Fluency with Python.
• Proficiency with high performance computing systems.
• Experience with fast reactor design, shielding design, or radiation protection analysis is highly recommended.
• Proficiency with radiation transport tools such as MCNP, SCALE, OpenMC, and Serpent is highly recommended.
• Proficiency with variance reduction techniques such as weight windows, surface read/write, source biasing, and CADIS/FW-CADIS methods is recommended.
• Experience with source-term generation, activation, dose-rate calculations, and shielding design methods is recommended.
• Proficiency with CAD software such as SolidWorks is a plus.

Responsibilities

• Define, develop, and execute radiation shielding and radiation transport analyses to support reactor design, plant layout, performance evaluation, and safety assurance.
• Collaborate with design teams to solicit requirements, establish scope of shielding evaluations, and implement source term, activation, dose rate, streaming, and shielding models.
• Analyze radiation transport, material activation, source term development, dose assessment, and shielding design optimization.
• Support verification and validation activities and contribute to licensing and regulatory interactions with defensible shielding analyses.
• Perform shielding design and dose assessment using Monte Carlo and supporting codes on Oklo facilities.
• Use Monte Carlo codes like MCNP, SCALE, OpenMC, and Serpent for transport analyses; apply deterministic methods when appropriate.
• Support qualification/validation against experiments, benchmarks, and operational radiation measurements.
• Maintain awareness of international shielding/transport work and related benchmark calculations.

Skills

Python

HPC systems

Radiation shielding analysis

Education

Nuclear engineering (BSc/MSc/PhD)

Tools

MCNP

SCALE

OpenMC

Serpent

SolidWorks

Job description

Responsibilities

• The Shielding Analysis Engineer is responsible for defining, developing, and executing radiation shielding and radiation transport analyses to support reactor design, plant layout, performance evaluation, and safety assurance
• This role involves working closely with the broader design team to solicit and capture requirements, establish the scope of shielding evaluations, and implement appropriate source term, activation, dose rate, streaming, and shielding models and methods
• Areas of analysis include, but are not limited to, radiation transport, material activation, source term development, dose assessment, and shielding design optimization
• The engineer will also support verification and validation activities and contribute to licensing and regulatory interactions by providing technically sound and defensible shielding analyses
• Perform the complete range of actions involved in supporting shielding design, radiation transport analysis, and dose assessment for using Monte Carlo and supporting codes on Oklo facilities
• Perform calculations and analyses in Monte Carlo based radiation transport codes such as MCNP, SCALE, OpenMC, and Serpent
• Perform source term, activation, streaming, skyshine, and dose-rate analyses using appropriate Monte Carlo and deterministic methods
• Support the qualification and verification of shielding analyses, including validation against experiments, benchmarks, and operationally relevant radiation measurements
• Be aware of and familiar with radiation shielding, radiation transport, and fast reactor core design and analysis work being performed internationally, as well as related benchmark calculations and experiments being performed internationally
• Provide technical feedback to quick-iterating design teams
• Document work using modern tools and techniques, and write well-written, thoughtful technical reports

Requirements

• Bachelor's, Master's, or PhD in a technical field, such as nuclear engineering, with experience in reactor design, radiation transport, shielding analysis, or radiation protection (Master's or PhD may be preferable)
• Fluency with Python
• Proficiency with high performance computing systems
• Experience with fast reactor design, shielding design, or radiation protection analysis is highly recommended
• Proficiency with radiation transport tools such as MCNP, SCALE, OpenMC, and Serpent is highly recommended
• Proficiency with variance reduction techniques such as weight windows, surface read/write, source biasing, and CADIS/FW-CADIS methods is recommended
• Experience with source-term generation, activation, dose-rate calculations, and shielding design methods is recommended
• Proficiency with CAD software such as SolidWorks is a plus

Core Competencies

Demonstrates expertise in radiation shielding analysis, radiation transport methodologies, and reactor design, with proficiency in Monte Carlo simulations and high-performance computing. Capable of providing technical support for licensing and regulatory interactions while delivering well-documented analyses and reports.