Simulation & Modeling Engineer

Benefits 401(k) 401(k) matching Competitive salary Dental insurance Health insurance Paid time off Vision insurance Donation matching Employee discounts Opportunity for advancement Wellness resources 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 Develop coupled reactor physics, thermal‑hydraulics, and structural simulations using tools such as COMSOL, Abaqus, or OpenFOAM. Perform sensitivity, uncertainty, and parametric analyses to guide design decisions. Integrate simulation results into system‑level digital twins for design and operational prediction. Collaborate with nuclear, mechanical, and materials engineers to validate models with experimental and prototype data. Support design verification and safety case development through simulation‑based evidence. Develop custom modeling scripts and workflows in Python or MATLAB to automate analysis and visualization. Contribute to the verification and validation (V&V) framework for multiphysics modeling tools. Prepare technical documentation, results summaries, and presentations for internal and regulatory review. Qualifications M.S. or Ph.D. in Nuclear Engineering, Mechanical Engineering, Applied Physics, or related field. 5–10 years of experience in advanced simulation, modeling, or computational analysis. Expertise in multiphysics coupling, CFD, and finite element analysis (FEA). Proficiency in modeling software such as COMSOL, Abaqus, or OpenFOAM. Experience with HPC environments, scripting languages (Python, MATLAB), and data visualization. Familiarity with reactor design principles, radiation transport, and safety analysis. Excellent problem‑solving, collaboration, and communication skills. U.S. citizenship or eligibility for security clearance may be required. What We Offer Competitive salary Comprehensive benefits package including healthcare, dental, vision, STD, LTD, Life/AD&D and 401(k). Opportunity to pioneer advanced nuclear fuel technologies driving the next generation of clean energy. Collaborative, mission‑driven environment that fosters technical excellence and innovation. Career advancement potential as AMPERA expands its fuel development and reactor manufacturing programs. #J-18808-Ljbffr AMPERA INC