Shielding Analysis Engineer

Oklo Inc

Shielding Analysis Engineer developing radiation shielding and transport analyses for advanced fission power plants. Collaborating with design teams for reactor safety and performance evaluations.

Posted 7/19/2026full-timeSanta Clara • California • 🇺🇸 United StatesMid-LevelSenior💰 $102,000 - $225,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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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.

Highest-signal resume keywords

Radiation Shielding AnalysisMonte Carlo SimulationsRadiation Transport ToolsHigh Performance ComputingFast Reactor Design

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Radiation Transport AnalysisDose AssessmentSource Term DevelopmentMaterial ActivationShielding Design OptimizationVariance Reduction TechniquesPython ProgrammingMCNPSCALEOpenMC

Soft Skills

Technical CommunicationCollaborationProblem Solving

Tools & Technologies

SerpentSolidWorks

Industry Keywords

Nuclear EngineeringReactor DesignRadiation ProtectionSafety AssuranceVerification and Validation

Tech Stack

Tools & technologies

Python

About the role

Key responsibilities & impact

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

What you’ll need

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

Benefits

Comp & perks

flexible time off
equity
bonuses
competitive pay
401(k)
health insurance (with employer contribution)
HSA
FSA
flexible work hours
wellness credits