Nuclear Engineer – Lead

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🔥 7 minutes ago

🇺🇸 United States – Remote

💵 $147.5k - $195.3k / year

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 0%

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Applied Atomics

WebsiteLinkedInAll Job Openings

11 - 50 employees

⚡ Energy

🤝 B2B

Energy • B2B

Applied Atomics is a company that develops, builds, and operates medium modular nuclear fission plants (100 MW to 1 GW) as turnkey, on-site power facilities. They offer end-to-end execution — licensing, construction, and operation — with a single power purchase agreement so customers (datacenters, industrial campuses, and utilities) receive dedicated, clean baseload power without running the plant themselves. Applied Atomics uses proven light-water reactor architecture and has secured an exclusive land-based license for the mPower™ small modular reactor technology from BWX Technologies, positioning itself as a B2B provider of site-dedicated nuclear power solutions.

📋 Description

• Own and drive technical development of the reactor core, fuel, and associated nuclear systems • Define the nuclear architecture and lead early-stage reactor and fuel design efforts • Serve as the primary technical interface with reactor-licensing partners • Own reactor physics, neutronics, shielding, and nuclear design activities from concept through deployment • Develop core design parameters, reactivity coefficients, kinetics parameters, feedback mechanisms, and neutron energy spectra • Perform radiation transport, shielding, criticality safety, transient, accident-scenario, dose consequence, and source-term analyses • Build and maintain reactor physics, shielding, and fuel performance models • Calculate energy deposition distributions, power profiles, isotopic depletion, and fuel cycle analyses • Lead verification and validation efforts for nuclear analysis tools and workflows • Support fuel form selection, cladding and structural material evaluation, and fuel performance modeling • Contribute to reactor mechanical layout, shielding design, and core structural features • Collaborate with thermal-hydraulic engineers on coupled neutronics and thermal-fluid analyses • Collaborate with licensed reactor technology providers to adapt designs • Work with regulatory and licensing teams on safety basis, design certification, and licensing documentation • Serve as the nuclear technical authority within a multidisciplinary engineering organization • Build processes, methods, and eventually a nuclear analysis and reactor design team • Take end-to-end responsibility for projects through deployment and ongoing operations • Improve engineering processes, documentation, and tools

🎯 Requirements

• Bachelor’s degree in Nuclear Engineering or related field • 4+ years of nuclear engineering experience (or 2+ years with an MS) • Demonstrated experience with radiation transport and reactor physics modeling tools (OpenMC, MCNP, Serpent, SCALE, etc.) • Experience with reactor design, core physics, criticality, and/or shielding • Basic understanding of thermal-hydraulics and coupled neutronics-thermal models • Familiarity with CAD tools (NX, SolidWorks, Creo, etc.) • Ability to operate across multiple cross-functional teams • Strong written and oral communication skills; able to explain complex topics simply • Self-starter, ownership mentality, and ability to drive tasks from concept to completion • Visa sponsorship is unavailable • Ability to serve in compliance with U.S. export controls

🏖️ Benefits

• Substantial incentive stock plan for all full-time employees • Medical / Vision / Dental (details forthcoming) • Flexible PTO policy • Hybrid and remote work options depending on role • Other benefits to be announced at offer stage

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