Mindrift is seeking a freelance Mechanical CAD & Simulation Engineer in Australia to train and evaluate AI agents in real CAD environments by designing geometry, creating reference solutions, and evaluating agent outputs. Candidates must possess a relevant engineering degree, 5+ years of CAD modeling experience, their own active professional CAD license, familiarity with Python and GitHub, and B2-level English. The position is fully remote, typically demanding 10–20 hours per week during active project phases.