Mindrift is seeking a Freelance Mechanical CAD & Simulation Engineer to train and evaluate AI agents operating in real CAD environments by designing part geometry, building reference solutions, and evaluating agent outputs. Candidates need a degree in Mechanical or Aerospace Engineering, 5+ years of hands-on CAD modelling experience, an active CAD license, basic familiarity with Python/GitHub, and B2+ English proficiency. The role is open to applicants in Uruguay, Costa Rica, Ecuador, and Jamaica.