Many times in the job descrition a title Data Architect is used. According to DAMA (Data Management Association) , Data Architect is often interchangeable with, but includes enterprise architecture considerations. A DAMA recognized Certified Data Management Professional would have a wide range of such skills.

Translating this to Data architecture helps defining the role of the data architect as the one responsible for developing and maintaining a formal description of the data and data structures – this can include data definitions, data models, data flow diagrams, etc. (in short metadata). Data architecture includes topics such as metadata management, business semantics, data modeling and metadata workflow management.

Source: WikiPedia