Nuclear Engineer

About the role

You will own the development and application of Monte Carlo simulations such as MCNP, Geant4, and FLUKA for particle transport, shielding, and dose assessment in a fusion facility. You will own the design and optimization of radiation shielding for demanding mixed neutron and gamma environments. You will own the conduct of experimental validation for neutron and gamma detection systems to confirm performance under demanding conditions. You will own the analysis of radiation transport data to elevate system performance and safety margins in complex operational scenarios. You will own the development and maintenance of radiation test environments dedicated to detector calibration and material testing activities. You will own collaboration with multidisciplinary teams to advance fusion technology development and reinforce radiation safety initiatives. You will own the analysis of radiation data to ensure operational safety, shielding effectiveness, and strict compliance with regulatory requirements. You will own close collaboration with physicists, engineers, and regulatory teams to enhance radiation transport simulations, detector performance, and measurement accuracy in a high-energy setting.

Key facts

What you'll do

• Develop and apply Monte Carlo simulations using tools such as MCNP, Geant4, and FLUKA for particle transport, shielding design, and dose assessment in fusion environments.
• Design and optimize radiation shielding solutions tailored for combined neutron and gamma fields encountered in fusion systems.
• Conduct experimental validation of neutron and gamma detection systems to verify accuracy, reliability, and response under realistic conditions.
• Perform radiation transport analysis to identify performance improvements and enhance safety margins for personnel and equipment.
• Develop and maintain radiation test environments that support detector calibration, material testing, and controlled measurement campaigns.
• Support meteorological assessments related to radiation dispersion, atmospheric transport, and environmental safety considerations.
• Analyze radiation data to evaluate operational safety, shielding effectiveness, and adherence to regulatory and compliance requirements.
• Collaborate with multidisciplinary teams of physicists, engineers, and regulatory specialists to advance fusion technology development and radiation safety initiatives.
• Implement advanced methods for radiation detection, measurement, and data interpretation in high-energy neutron and gamma environments.
• Contribute to the refinement of simulation models, experimental protocols, and safety procedures based on field measurements and test results.
• Liaise with regulatory bodies and technical stakeholders to ensure that radiation safety standards and best practices are consistently upheld.
• Drive innovation in shielding materials, detection strategies, and analysis techniques to improve fusion facility performance and safety.
• Document findings, methodologies, and recommendations in clear technical reports suitable for peer review and regulatory submission.
• Support the integration of new detection technologies and modeling approaches into existing facility workflows and safety frameworks.
• Act as a technical expert in radiation protection, providing guidance to cross-functional teams working in high-radiation conditions.

Requirements

• Hold a Master's or PhD degree in Nuclear Engineering, Physics, or a closely related technical field with a strong focus on radiation transport and safety.
• Demonstrate strong experience in Monte Carlo particle transport simulations using tools such as MCNP, Geant4, FLUKA, or comparable software packages.
• Possess hands-on experience with neutron and gamma detection techniques, including instrument calibration, response characterization, and data interpretation.
• Show knowledge of radiation shielding principles, dose calculations, and safety assessment methodologies for mixed radiation fields.
• Have experience in radiation metrology, calibration procedures, and quality assurance for measurement systems used in high-energy environments.
• Exhibit proficiency in data analysis and programming with languages such as Python, MATLAB, C++, or similar computational tools.
• Demonstrate familiarity with regulatory frameworks and standards such as CNSC, NRC, and IAEA requirements relevant to radiation protection and fusion facilities.
• Must be capable of traveling and working extended hours, including weekends, as project needs and operational schedules require.
• Must possess the ability to work effectively in a high-radiation test environment while adhering to strict safety protocols and ALARA principles.
• Must hold U.S. citizenship, lawful permanent residency, or other eligible status to meet ITAR and U.S. Government technology export regulation requirements.

Nice to have

• Bring experience working in fusion or fission facilities where combined neutron and gamma radiation environments are present.
• Contribute background in high-energy neutron and gamma transport, including advanced shielding calculations and material response analysis.
• Offer knowledge of advanced radiation detection technologies, instrumentation, and emerging measurement techniques.

Practical notes

You must be able to travel and work extended hours or weekends as necessary. This role is subject to ITAR requirements, and U.S. citizenship or equivalent eligibility is required.