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Molten Salt Systems Engineer/Scientist - Nuclear Reactor Technology
United States
Relocation
AI Summary
Idaho National Laboratory seeks a Molten Salt Systems Engineer/Scientist for advanced reactor research. Responsibilities include R&D, system design, thermal-hydraulic modeling, and commissioning of molten salt technologies. Requires a strong foundation in thermodynamics, fluid mechanics, heat transfer, materials science, and experience with high-temperature process systems.
Key Highlights
Support research, development, qualification, and deployment of molten salt technologies for advanced reactor systems.
Integrate molten salt chemistry, materials science, thermal-hydraulics, and high-temperature systems engineering.
Based in Idaho Falls, ID, with a 9x80 schedule (every other Friday off).
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Key Responsibilities
Lead or support experimental programs for characterization and qualification of molten salts and compatible materials for reactor environments.
Design and execute high-temperature corrosion, electrochemical, and thermophysical property experiments.
Develop technical basis documents supporting salt chemistry control strategies and materials performance.
Contribute to salt specification development and lifecycle management strategies.
Support design of high-temperature piping loops, vessels, heaters, pumps, and instrumentation for molten salt systems.
Perform engineering calculations to define hydraulic, thermal, and mechanical design parameters.
Develop and interpret Process Flow Diagrams (PFDs) and Piping & Instrumentation Diagrams (P&IDs).
Lead or support construction and commissioning of laboratory test platforms, pilot-scale systems, and engineering demonstration skids.
Perform system-level modeling and simulation of molten salt systems using tools such as RELAP5, RELAP5-3D, GOTHIC, MELCOR, or CFD platforms.
Conduct transient and steady-state analyses to support safety evaluations and design optimization.
Support Failure Modes and Effects Analysis (FMEA) and Hazard and Operability (HAZOP) studies.
Contribute to design verification and validation activities.
Support system startup, commissioning, operational readiness reviews, and troubleshooting activities.
Develop test procedures, operating procedures, and technical documentation.
Collaborate with mechanical, controls, instrumentation, manufacturing, and operations teams to resolve hardware integration challenges.
Prepare technical reports, memos, and presentations.
Contribute to program reviews, sponsor deliverables, and licensing-support documentation as required.
Proactively collect, manage, and transfer technical knowledge within multidisciplinary teams.
Technical Skills Required
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Benefits & Perks
Medical
Dental
Vision
Flexible Spending Accounts
401(k) with a 4.2% employer contribution and up to 4.8% match
Paid time off (personal leave)
Employee Education Program (tuition assistance)
Comprehensive Relocation Package
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Nice to Have
Advanced degree (MS or PhD) with specialization in molten salt chemistry, electrochemistry, materials degradation, or reactor thermal hydraulics.
Experience with ASME pressure vessel and piping codes.
Experience using system analysis tools (RELAP5, RELAP5-3D, MELCOR) or CFD platforms.
Familiarity with corrosion testing, glovebox operations, or inert atmosphere systems.
Experience contributing to licensing documentation or safety analysis.
Proficiency in CAD tools (e.g., SolidWorks) and engineering documentation systems.
Job Description
Idaho National Laboratory’s Nuclear Reactor Technology (NRT) Division is seeking a highly motivated Molten Salt Systems Engineer/Scientist to support research, development, qualification, and deployment of molten salt technologies for advanced reactor systems, including chloride and fluoride-salt-cooled high-temperature reactors (FHRs) and other molten salt–based concepts.
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