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Be ready to walk through a hard simulation you owned: governing equations, mesh/timestep choices, verification vs validation, and how findings changed hardware or operations. Expect systems questions on coupling (thermal-structural-EM), performance tradeoffs, and communicating uncertainty to non-modelers. Review CFS public milestones (plant siting, AI partners) to show commercial fusion context.
Best fit: senior modelers who enjoy high-stakes physical systems, collaborative engineering culture, and on-site South Bay work. Thin public review data—judge culture from interviews and technical depth of the team.
As Staff Modeling and Simulation Engineer, expect ownership of multiphysics models for magnet, plasma, or plant systems: set up solvers, validate against experiment, and hand results to design and ops. Senior scope means mentoring, model standards, and tight loops with CFS-style commercial fusion timelines rather than pure research papers.
No certification family or priced certs were provided. Prioritize numerical methods, multiphysics FEM/CFD or custom solvers, uncertainty quantification, Python/C++ tooling, and domain physics relevant to fusion hardware. Build a portfolio of verified models and clear validation reports over generic certificates.
Listing marks remote as no; expect on-site work in Milpitas, CA.
Public news covers commercial fusion plant plans, large funding, and partners including Google, Siemens, and NVIDIA.
No certification resources or costs were supplied for this posting.
Staff Modeling and Simulation Engineer at Cfsenergy in Milpitas, CA Role Overview We are seeking a Staff Modeling and Simulation Engineer to join our design team. As a key technical expert, you will lead advanced simulations for the predictive validation of complex hardware systems. This role demands expertise in multi-physics simulation, covering thermal, structural, fluid flow, and chemical regimes. Day-to-Day Responsibilities Serve as a lead technical expert for advanced simulations Drive the predictive validation of complex hardware systems Model complex interactions across thermal, structural, fluid flow, and chemical regimes Apply rigorous modeling standards to solve deeply complex physics problems Work in a collaborative, fast-paced environment to deliver first-of-a-kind hardware What We're Looking For A high-level practitioner in multi-physics simulation Experience with modeling complex interactions across multiple regimes Strong problem-solving skills and ability to apply rigorous standards Potential for leadership in a collaborative, fast-paced environment Passion for solving deeply complex physics problems Working at Cfsenergy Commonwealth Fusion Systems is dedicated to delivering the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we are designing and building commercially viable fusion power plants. Join us in shaping the future of energy by working with policymakers and suppliers to build the industry of tomorrow. Applying for This Role If you are a passionate thinker, doer, builder, or maker looking to bring new perspectives, solve tough problems, and thrive as part of a team, we want to hear from you. Join the power movement at Cfsenergy as a Staff Modeling and Simulation Engineer. To apply, complete your application directly on this page, or you'll be redirected to the employer's application platform to finish submitting there.
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