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NUVIA · 3 days ago

Fuel Engineer F/H

Boston, MA

Full-time

Hybrid

Mid Level

3+ years exp

NUVIA is a leading provider of professional and technical staffing solutions in the energy and utility sectors, focusing on the nuclear industry. They are seeking experienced Fuel Engineers to support a U.S. fuel manufacturer with analysis, design, and optimization of fuel and core systems.

IndustrialIndustrial ManufacturingMachinery ManufacturingManufacturing

Responsibilities

Fuel performance & design analysis: Evaluate fuel and component behavior under normal, AOO, and accident scenarios; quantify margins and identify design improvements

Thermal hydraulic modeling: Build and maintain models for core/assembly flow, pressure drop, CHF/MDNBR, and heat transfer; perform sensitivity/uncertainty studies

Safety & licensing support: Execute transient/accident analyses (e.g., LOCA, RIA, loss of flow/heat sink); prepare inputs for safety case and regulatory submittals

Codes & Methods: Apply and (as assigned) enhance validated analysis methods; perform model V&V, document assumptions and biases, and maintain configuration control under quality procedures

Technical documentation: Produce clear calculation files, engineering memos, and customer facing technical reports; present results to internal and client design authorities

Data & testing: Define or review test plans, analyze test data, and reconcile model to test results for model improvement

Cross functional collaboration: Work with fuel design, materials, thermal hydraulics, manufacturing, and safety/licensing teams to drive integrated solutions

Standards & compliance: Follow applicable industry codes/standards and internal QA practices; contribute to continuous improvement of engineering workflows

Qualification

Thermal/Mechanical EngineeringHydraulic EngineeringSafety AnalysisCodes & MethodsData AnalysisPythonMatlabVersion ControlCommunication SkillsCollaboration Skills

Required

BS in Nuclear, Mechanical, Chemical, or related Engineering (MS/PhD preferred for Safety Analysis or Methods roles)

3+ years directly relevant experience in at least one focus area: Thermal/Mechanical, Hydraulic, Safety Analysis, or Codes & Methods

Hands on experience with engineering analysis and model development; proficiency in data analysis and scripting (e.g., Python/Matlab) and version control (e.g., Git)

Background with fuel performance, core thermal hydraulics, or safety analysis for light water reactors or comparable technologies

Experience preparing inputs for licensing or interacting with customer/regulatory stakeholders

Familiarity with common industry codes and solvers (examples may include fuel performance, TH system, sub channel, neutronics, or Monte Carlo tools), and with QA governed engineering processes

Knowledge of materials behavior (e.g., fuel, cladding, structural materials) under irradiation and thermal mechanical loads

Strong communication and collaboration skills in a multi-disciplinary, remote environment