Mindrift is seeking a freelance Mechanical CFD Engineer in Canada to train and evaluate AI agents on expert-level fluid simulation tasks. Candidates must have a degree in Mechanical or Aerospace Engineering (or related field), hands-on CFD simulation experience with tools like OpenFOAM or ANSYS Fluent, Python skills, and English proficiency at B2 level or above. Work is remote and requires approximately 10 to 20 hours per week during active project phases.