Discipline
Data Engineering & Governance
Job requirement
Data Architecture & Storage
Optimizes database schemas and manages storage costs.
Expected at Mid
2 / 5Schema 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.
Interview round: Cross-Functional Stakeholder Collaboration
Positive indicators
- Considers cost implications of storage
- Maintains data integrity during archiving
- Documents retention and access methods
Negative indicators
- Deletes data to save space without policy
- Stores everything on expensive high-performance storage
- No plan for retrieving archived data

