Mindrift is seeking a CFD Engineer to help train and evaluate AI agents on expert-level fluid simulation tasks by setting up simulations, building reference solutions, and writing Python checks. Candidates need a relevant engineering degree, multiple years of hands-on CFD experience with tools like OpenFOAM or ANSYS Fluent, Python and GitHub familiarity, and at least B2 English proficiency. The position is a remote freelance role in the United States requiring an estimated 10–20 hours per week during active project phases.