It is usually based on past experience within the domain, and an interview is arranged. Resume must have data modeling experience and preferably worked with any industry models before. Interview depends on the practice you are applying for.
This is about previous companies that I worked for.
The following metrics were computed from 1 interview experience for the Teradata Data Modeler role in Saudi Arabia.
Teradata's interview process for their Data Modeler roles in Saudi Arabia is incredibly easy as the vast majority of engineers get an offer after going through it.
Candidates reported having very good feelings for Teradata's Data Modeler interview process in Saudi Arabia.