Senior Neutronics Engineer
Core
Perform complex radiation transport simulations and activation analyses to characterize radiation environments, identify hazards, and predict damage to electronics and materials at the National Ignition Facility (NIF) and other fusion facilities.
Role type
Senior IC neutronics engineer (fusion/radiation transport)
Builds
Safety and engineering documentation, computational tools for neutronics/activation coupling, and shielding solutions for experimental facilities.
Domain
Nuclear engineering, fusion energy, radiological protection
Required skills
Radiation transport simulation (MCNP, Open MC, SCALE, Shift, Attila, Denovo, ADVANTG), Activation analysis (FISPACT, ALARA, CINDER, ORIGIN), CAD-Monte Carlo coupling (GEONUED, McCAD, DAGMC), Radiation shielding design, Post-irradiation environment simulation, Radiation measurement techniques, Sensitivity and uncertainty analysis (ASUSD, SUSD3D), Verification and validation of models
Preferred skills
Hybrid deterministic/Monte Carlo modeling, GPU-based Monte Carlo radiation transport, Novel approaches for radiation background prediction, Project leadership and schedule management, Experience with magnetic and inertial fusion facilities
Technologies
MCNP, Open MC, SCALE, Shift, Attila, Denovo, ADVANTG, FISPACT, ALARA, CINDER, ORIGIN, GEONUED, McCAD, DAGMC, ASUSD, SUSD3D
Responsibilities
Operate with substantial authority to resolve complex radiation transport problems; Perform radiation transport simulations to identify radiological hazards and shielding solutions; Conduct detailed activation analyses and characterize decay dose rate environments; Apply radiation transport methods to predict damage to electronics; Characterize neutron sources and radiation fields affecting diagnostic systems; Develop and optimize computational tools for neutronics and activation analyses; Prepare safety and engineering documentation; Lead and contribute to proposals for new work; Participate in professional committees and conferences; Present briefings to internal and external customers; Maintain knowledge of regulatory Safety Standards and emerging modeling tools
Seniority
Senior, hands-on IC with strategic influence