Commonwealth Fusion Systems
Staff Modeling and Simulation Engineer
$166K–$240K
Milpitas, CA · On-site · Staff · Full-time · Posted Aug 7, 2026
- Experience
- 10+ years of experience in simulation and predictive analysis of complex R&D systems.
- Education
- Master’s or PhD degree in Mechanical Engineering, Aerospace Engineering, Physics, or a related field with a heavy focus on computational mechanics and multi-physics modeling.
- Visa sponsorship
- Any offer of employment is contingent on compliance with U.S. Export Control Laws.
About the job
Leads multiphysics modeling and simulation to validate and guide the design of complex processing equipment and other first-of-a-kind hardware.
What you'll do
- Lead FEA, CFD, and coupled multiphysics simulations; validate results against physical test data.
- Provide simulation-based design review guidance and collaborate with cross-functional teams on hardware changes.
- Own modeling milestones and resources, and mentor junior engineering staff.
What they ask for
- Master’s or PhD in Mechanical Engineering, Aerospace Engineering, Physics, or a related field with a heavy focus on computational mechanics and multi-physics modeling.
- 10+ years of experience in simulation and predictive analysis of complex R&D systems.
- Expert hands-on skill with ANSYS, COMSOL Multi-physics, or equivalent high-end FEA/CFD platforms.
- Track record in coupled simulations, correlating models with physical tests, and influencing hardware design in cross-functional initiatives.
Nice to have
- Familiarity with industry codes for simulation-driven design validation.
- Experience with transient dynamic simulations or precision motion systems in extreme thermal environments.
Pay
USD 166,000–240,000 per year (base salary)
Tools
ANSYS, COMSOL Multi-physics, FEA, CFD
Model-written summary · the original posting is authoritative