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AMPERA is seeking a talented Simulation & Modeling Engineer to develop and execute advanced computational models that simulate the behavior, performance, and safety of AMPERA’s hybrid nuclear micro-reactor systems. The ideal candidate has strong experience in multiphysics modeling, numerical methods, and high-performance computing (HPC), along with a deep understanding of reactor physics and engineering systems.

Benefits: <ul><li>401(k)</li><li>401(k) matching</li><li>Competitive salary</li><li>Dental insurance</li><li>Health insurance</li><li>Paid time off</li><li>Vision insurance</li><li>Donation matching</li><li>Employee discounts</li><li>Opportunity for advancement</li><li>Wellness resources</li></ul> Simulation & Modeling Engineer Location: Palm Beach Gardens, FL Employment Type: Full-time, Exempt About AMPERA AMPERA is redefining clean, energy with compact, ultra-safe nuclear systems that power AI, industry, and defense with zero emissions and unmatched reliability. Our modular micro-reactors combine the best of fusion and fission to deliver scalable, deployable, and inherently safe energy anywhere. As a fast-growing company, AMPERA blends the agility of a startup with the ambition of a global energy innovator. Joining us means becoming part of a bold mission to revolutionize how the world generates power through advanced simulation, multiphysics modeling, and nuclear innovation. Position Overview AMPERA is seeking a talented Simulation & Modeling Engineer to develop and execute advanced computational models that simulate the behavior, performance, and safety of AMPERA’s hybrid nuclear micro-reactor systems. This position plays a central role in integrating physics-based simulations across neutronics, thermal-hydraulics, materials behavior, and structural mechanics to optimize system design and performance. The ideal candidate has strong experience in multiphysics modeling, numerical methods, and high-performance computing (HPC), along with a deep understanding of reactor physics and engineering systems. Key Responsibilities <ul><li>Develop coupled reactor physics, thermal-hydraulics, and structural simulations using tools such as COMSOL, Abaqus, or OpenFOAM.</li><li>Perform sensitivity, uncertainty, and parametric analyses to guide design decisions.</li><li>Integrate simulation results into system-level digital twins for design and operational prediction.</li><li>Collaborate with nuclear, mechanical, and materials engineers to validate models with experimental and prototype data.</li><li>Support design verification and safety case development through simulation-based evidence.</li><li>Develop custom modeling scripts and workflows in Python or MATLAB to automate analysis and visualization.</li><li>Contribute to the verification and validation (V&V) framework for multiphysics modeling tools.</li><li>Prepare technical documentation, results summaries, and presentations for internal and regulatory review.</li></ul> Qualifications <ul><li>M.S. or Ph.D. in Nuclear Engineering, Mechanical Engineering, Applied Physics, or related field.</li><li>5–10 years of experience in advanced simulation, modeling, or computational analysis.</li><li>Expertise in multiphysics coupling, CFD, and finite element analysis (FEA).</li><li>Proficiency in modeling software such as COMSOL, Abaqus, or OpenFOAM.</li><li>Experience with HPC environments, scripting languages (Python, MATLAB), and data visualization.</li><li>Familiarity with reactor design principles, radiation transport, and safety analysis.</li><li>Excellent problem-solving, collaboration, and communication skills.</li><li>U.S. citizenship or eligibility for security clearance may be required.</li></ul> What We Offer <ul><li>Competitive salary</li><li>Comprehensive benefits package including healthcare, dental, vision, STD, LTD, Life/AD&D and 401(k).</li><li>Opportunity to pioneer advanced nuclear fuel technologies driving the next generation of clean energy.</li><li>Collaborative, mission-driven environment that fosters technical excellence and innovation.</li><li>Career advancement potential as AMPERA expands its fuel development and reactor manufacturing programs.</li></ul>

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Simulation & Modeling Engineer AMPERA INC

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