OpenTrain is hiring a Computational Materials Science AI Training Expert for a fully remote, worldwide contractor position requiring about 15 hours per week. The role involves using Python and computational materials simulations to create tasks, run simulations, and evaluate AI-generated scientific solutions for physical and numerical accuracy. Candidates must have graduate-level expertise (MS or PhD) in materials science or a related discipline along with hands-on proficiency in Python and CLI- or API-driven simulation software.