Data Engineering & Governance
Data Architecture & Storage
Optimizes database schemas and manages storage costs.
Expected at Mid
Sample competency question
Ask once, as written, then allow silence. A helpful rephrase may hand the candidate the answer.
Credit
- Considers cost implications of storage
- Maintains data integrity during archiving
- Documents retention and access methods
Discount
- Deletes data to save space without policy
- Stores everything on expensive high-performance storage
- No plan for retrieving archived data
Schema optimization supports efficiency goals but major architectural decisions are reserved for senior staff; mid-level analysts apply guided improvements to enhance query performance and manage storage costs.

