Mindrift is seeking a CFD Engineer to help train and evaluate AI agents on expert-level fluid simulation tasks by running simulations, building reference solutions, and writing Python checks. Applicants must have a degree in Mechanical or Aerospace Engineering (or related field), several years of hands-on CFD experience with tools like OpenFOAM or ANSYS Fluent, Python skills, and English at a B2 level or above. This freelance, fully remote role is expected to require 10–20 hours per week during active project phases.