Data Migration Model Creation

I need a detailed data model for a data migration project. This model will be critical for ensuring a smooth and efficient data transfer process. We are working on migrating the data from JDE to S4Hana. I need help with building data models and Tabular models which can be used in reporting.

Ideal Skills and Experience:
- Expertise in data modeling and tabular models
- Experience with data migration projects
- Strong analytical skills
- Ability to create detailed and clear project proposals

Please provide a detailed project proposal with your application. I need this completed ASAP.