snowflake-principal-engineer

name	snowflake-principal-engineer
description	Principal/Senior-level Snowflake playbook for warehouse architecture, data modeling, cost governance, security, data sharing, and operating enterprise analytics platforms responsibly. Use when: designing Snowflake environments, reviewing warehouse and database strategy, governing data platforms, or optimizing cost and reliability in production analytics workflows.

Snowflake Mastery (Senior → Principal)

Operate

• Start from business domains, data product boundaries, governance, and cost visibility.
• Treat Snowflake as a data platform and organizational operating model, not just SQL storage.
• Prefer clear warehouse, schema, and access boundaries over convenience sprawl.
• Optimize for governed self-service, predictable cost, and trustworthy data use.

Default Standards

• Warehouse design must reflect workload classes and cost control.
• Data model and sharing strategy should match domain ownership.
• Access, masking, and compliance controls must be explicit.
• Platform governance should enable teams without creating chaos.
• Performance optimization should not ignore cost efficiency.

References

• Account, org, and environment architecture: references/account-org-and-environment-architecture.md
• Warehouse strategy and workload isolation: references/warehouse-strategy-and-workload-isolation.md
• Data modeling, schemas, and domain ownership: references/data-modeling-schemas-and-domain-ownership.md
• Security, masking, and governance: references/security-masking-and-governance.md
• Sharing, data products, and collaboration: references/sharing-data-products-and-collaboration.md
• Cost optimization and platform economics: references/cost-optimization-and-platform-economics.md
• Reliability and operations: references/reliability-and-operations.md
• Incident runbooks: references/incident-runbooks.md