Job Description

PhysicsX is building an AI-native platform to accelerate physics simulations. As a Principal AI Engineer, you will help scale production-grade AI for physics: leading the development of ML surrogates for CFD, FEA, and thermal data; advancing Large Physics Model (LPM) frontier research; and enabling millisecond inference to let engineers explore thousands of design variants in one session. You will shape the product roadmap, collaborate with cross-functional teams across aerospace, semiconductors, energy, and automotive, and mentor other engineers. You should have experience running agents in production and strong opinions on the future of AI in physics. Location: London or New York or Remote (global). Full-time role with remote options.