Mindrift is seeking a Freelance Mechanical CFD Engineer to train and evaluate AI agents on expert-level fluid simulation tasks by setting up simulations, building reference solutions, and writing Python checks. Applicants must have a degree in Mechanical or Aerospace Engineering (or related field), extensive hands-on CFD experience, proficiency in Python, and at least B2-level English. The role is remote for candidates based in the United States, typically requiring 10–20 hours per week during active project phases.