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Oklo

Shielding Analysis Engineer

Santa Clara, CA or Remote (Remote)$102k–$225kmidAdded today

About this role

Oklo seeks a Shielding Analysis Engineer to develop and execute radiation shielding and transport analyses supporting advanced reactor design, safety evaluation, and regulatory compliance. The role involves Monte Carlo modeling, dose assessment, and close collaboration with design teams to optimize shielding performance.

What you'll do

  • Conduct radiation transport and shielding analyses using Monte Carlo codes (MCNP, SCALE, OpenMC, Serpent)
  • Perform source term, activation, streaming, and dose-rate calculations for reactor facilities
  • Support verification, validation, and qualification of shielding analyses against benchmarks and experiments
  • Collaborate with design teams to define shielding requirements and scope of evaluations
  • Provide technical feedback to iterating design teams and support licensing interactions
  • Document analyses and write technical reports using modern tools and techniques

What they're looking for

  • Radiation transport modeling and Monte Carlo simulation
  • Shielding design and dose assessment
  • Python programming
  • High-performance computing systems
  • Fast reactor design and analysis
  • Variance reduction techniques (weight windows, CADIS/FW-CADIS)
  • CAD software (SolidWorks preferred)
  • Technical writing and documentation
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Oklo

Oklo develops advanced fission reactor technologies aimed at commercializing clean energy solutions. The company is hiring regulatory engineers, thermal hydraulic test engineers, technical product engineers, systems engineers, and software lifecycle specialists to support reactor design, licensing, testing, and engineering operations.

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Likely interview questions

  • Describe your experience with Monte Carlo radiation transport codes and which ones you've used most extensively.
  • Walk us through how you would approach a new shielding analysis from requirements gathering through documentation.
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