Mindrift is seeking a Freelance Mechanical CFD Engineer to train and evaluate AI agents on expert-level fluid simulation tasks by building verified reference solutions and writing Python checks. Applicants must have a degree in Mechanical or Aerospace Engineering (or related discipline), practical experience in CFD tools such as OpenFOAM, ANSYS Fluent/CFX, or STAR-CCM+, proficiency in Python and GitHub, and B2+ English. The remote role is available to contributors located in Saudi Arabia, Qatar, Kuwait, the United Arab Emirates, Bahrain, or Oman.