Mindrift is seeking a CFD Engineer to train and evaluate AI agents on expert-level fluid simulation tasks by preparing CAD geometry, running simulations, creating verified reference solutions, and writing Python checks. Candidates need a degree in Mechanical or Aerospace Engineering (or related fields), several years of CFD experience (OpenFOAM, ANSYS Fluent/CFX, or STAR-CCM+), familiarity with Python and GitHub, and B2+ English proficiency. The role is a remote freelance position based in the United States requiring approximately 10–20 hours per week during active phases.