Grafton Sciences ยท 22 hours ago
Senior Surrogate & Simulator Modeler
United States
Full-time
Remote
Senior LevelGrafton Sciences is building AI systems with general physical ability, aiming to push the frontier of physical AI. The Senior Surrogate & Simulator Modeler will create high-fidelity surrogate models and fast physics approximators to enhance optimization and decision-making processes.
Machine LearningRobotics
Responsibilities
Develop surrogate models, reduced-order models, and multi-fidelity approximations grounded in real physics and simulation data
Build uncertainty-aware predictors, stability mechanisms, and domain-specific physics kernels for use in optimization and RL loops
Implement model-based optimization techniques (MOBO, SafeOpt, Pareto modeling) for complex engineering workflows
Collaborate with simulation, digital twin, RL, and agent teams to integrate surrogate models into high-throughput learning and decision pipelines
Qualification
Required
Strong experience building surrogate models, reduced-order physics models, or multi-fidelity simulation approximations
Familiarity with uncertainty estimation, optimization under constraints, and physics-informed modeling techniques
Ability to translate full-scale simulation outputs into efficient, learnable models that preserve fidelity and stability
Comfortable working across ML, simulation tools, and domain-specific physics in a fast-moving, interdisciplinary environment
Benefits
Competitive salary
Meaningful equity
Benefits
Company
Grafton Sciences
Building systems of general physical ability to enable superintelligence
Founded in 2024
11-50 employees
H1B Sponsorship
Grafton Sciences has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (2)
Funding
Current Stage
Early StageCompany data provided by crunchbase