Mindrift is seeking a Freelance Mechanical CFD Engineer to train and evaluate AI agents on fluid simulation tasks. Responsibilities include setting up simulations from CAD geometry, creating verified reference solutions, and writing Python verification checks. Candidates must hold a degree in Mechanical or Aerospace Engineering (or related field), have hands-on CFD experience with OpenFOAM, ANSYS Fluent/CFX or STAR-CCM+, and have at least B2 English proficiency.