Data modelling is part of data engineering. This requires understanding source data systems, types, format, frequencies, etc. Based on certain information I would be able to help modelling your database need.
1. Database creation
2. Data tables design
3. Setting up keys, indexes, constraint
4. DDL deployments.
5. Fix any performance issues.
6. Identification of relationships between tables
7. setting up database applying principles of datawarehousing for large data processing.