OpenTrain is hiring a FreeCAD Computer-Use AI Training Specialist to create parametric CAD tasks, record workflows, and evaluate computer-use AI systems. The role requires proficiency in FreeCAD Sketcher, Part Design, and at least two other workbenches, alongside professional experience in mechanical design or CAD engineering and B2-level English. Applicants must reside in one of the 16 eligible countries and be available to work remotely for at least 20 hours per week.