Commonwealth Fusion Systems
Senior Modeling and Simulation Engineer
$146K–$210K
Milpitas, CA · On-site · Senior · Full-time · Posted Oct 28, 2026
- Experience
- 7+ 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 is contingent on compliance with U.S. Export Control Laws.
About the job
Leads advanced multiphysics modeling and simulation to validate complex processing equipment and guide hardware design decisions.
What you'll do
- Run FEA, CFD, and coupled multiphysics simulations; verify results against physical test data.
- Set simulation workflows and standards, and provide analytical leadership in design reviews.
- Coordinate modeling milestones, timelines, and computational resources with stakeholders and cross-functional teams.
What they ask for
- Master’s or PhD in Mechanical Engineering, Aerospace Engineering, Physics, or a related field focused on computational mechanics and multiphysics modeling.
- 7+ years of experience in simulation and predictive analysis of complex R&D systems.
- Expert hands-on ability with ANSYS, COMSOL Multi-physics, or equivalent high-end FEA/CFD platforms.
- Track record running coupled simulations and validating results against physical test metrics.
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 146,000–210,000 (per-year-salary) base salary
Tools
ANSYS, COMSOL Multi-physics, FEA, CFD
Model-written summary · the original posting is authoritative