Mindrift is seeking freelance Mechanical CFD Engineers to train and evaluate AI agents on expert-level fluid simulation tasks, including running simulations, building verified reference solutions, and writing Python checks. Applicants must have a degree in Mechanical/Aerospace Engineering or a related discipline, practical CFD experience with tools like OpenFOAM, ANSYS Fluent/CFX, or STAR-CCM+, and at least B2 English proficiency. The position is remote and open to contributors in the Philippines, Malaysia, Indonesia, and South Africa.