The invention relates to an automated masking of cooling apertures. Particularly, a system including: a masking applicator; and at least one computing device coupled with the masking applicator, the at least one computing device configured to provide instructions to the masking applicator to apply a masking material according to a masking plan for masking at least one cooling aperture in a turbomachine component during a cooling aperture coating process, the masking plan based upon at least one characteristic of the plurality of cooling apertures, the masking plan including masking the at least one cooling aperture using a first mask type.