Fuels Engineer

Job not on LinkedIn

🔥 17 minutes ago

🇺🇸 United States – Remote

💵 $138.3k - $195.3k / year

⏰ Full Time

🟡 Mid-level

🟠 Senior

👷🏻‍♀️ Engineer

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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

• Support the design, analysis, and development of the nuclear fuel system for the next-generation reactor • Evaluate commercial fuel designs and perform fuel performance modeling • Assess material behavior under irradiation and support fuel integration into the reactor core design • Interface with external fuel suppliers and translate commercial fuel design data into internal models and design decisions • Support reactor fuel system design, including fuel form, geometry, cladding, and standard assembly geometries • Analyze fuel thermal and mechanical behavior, including pellet-clad interaction, fission gas release, swelling, densification, creep, corrosion, and cladding oxidation • Analyze fuel performance under steady-state, transient, and accident conditions • Coordinate with fuel suppliers on design data, fabrication constraints, tolerances, and irradiation performance • Build and run fuel performance models using tools such as BISON, FRAPCON/FRAPTRAN, FAST, Falcon, or similar • Analyze fuel burnup, isotopic depletion, fuel cycle length, and end-of-life behavior • Validate and benchmark models and support Verification & Validation efforts • Characterize cladding and structural materials and evaluate mechanical limits • Support materials qualification and irradiation test campaigns • Assist with test plans, irradiation capsules, and post-irradiation examination • Gather and interpret data from national labs, test facilities, and suppliers • Prepare technical reports and documentation for design decisions, integration reviews, and licensing support • Collaborate with neutronics, thermal-hydraulics, mechanical, thermal-fluids, and reactor design teams • Support trade studies for enrichment, burnup, cladding options, and fabrication routes • Take end-to-end responsibility for projects from concepts through deployment and operations • Improve internal engineering processes, documentation, and tools

🎯 Requirements

• Bachelor’s degree in Nuclear Engineering or related field • 4+ years of relevant industry experience • Experience with nuclear fuel behavior and/or material science under irradiation • Familiarity with fuel performance or nuclear materials tools (BISON, FRAPTRAN, MOOSE, FAST, or similar) • Understanding of neutronics and thermal-hydraulics principles as they relate to fuel performance • Strong analytical, communication, and documentation skills • Self-starter and comfortable working in a fast-paced, hardware-focused environment • Visa sponsorship is unavailable • Capacity 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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