Radiation Effects & Shielding Specialist

Overview

Design shielding and analyze radiation effects for micro modular reactors.

Key Responsibilities

• shielding design
• radiation modeling
• dose calculation
• materials impact
• electronics impact
• team collaboration

Tasks

You will work closely with our cross-functional team—including reactor physics, materials, and I&C engineers—to lead the radiological shielding design and radiation effects analysis for Hadron’s micro modular reactor. This role is critical for modeling the radiation environment, designing effective shielding, calculating dose rates, and assessing the impact of radiation on structural materials and electronic components to ensure their operational lifespan.

Requirements

• mcnp
• scale
• shielding design
• radiation transport
• 5+ years
• alara

What You Bring

This is a full-time on-site role for a Radiation Effects & Shielding Specialist, based in the San Francisco Bay Area. The position is ideal for candidates with deep expertise in radiation transport, shielding design, and materials science who are passionate about ensuring the radiological safety and long-term integrity of advanced nuclear systems. -Strong analytical, communication, and teamwork skills -Experience in designing biological shielding and component shielding for complex reactor geometries -Expert-level proficiency in Monte Carlo simulation tools, particularly MCNP -Bachelor's, Master's, or PhD in Nuclear Engineering, Radiological Health Physics, Physics, or a related field -5+ years of experience in radiation transport modeling, shielding design, and radiation effects analysis -Familiarity with radiological protection (ALARA) principles and regulatory requirements (e.g., 10 CFR Part 20) -Knowledge of radiation effects on materials (e.g., displacement per atom (DPA), material degradation) and electronics -Experience with activation, depletion, and source term characterization codes (e.g., SCALE/ORIGEN, Serpent) -Strong understanding of neutron and gamma transport physics and dosimetry

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About Hadron Energy

-Develops patented Micro Modular Reactors (MMRs) producing 2 MWe from compact, transportable units. -Designs reactors that can be towed by a pickup and used for data centers, industrial sites, remote communities, and space missions. -Partnered with U.S. Department of Energy programs including GAIN and the HALEU Consortium. -Awarded "Most Innovative Company of the Year" by Startup Grind in mid-2025.

Sector Specialisms