# Databricks Lakehouse Engineering At Azure

> Databricks Lakehouse Engineering at Azure

- Skill: `vincentchuwaichow/databricks-lakehouse-engineering-at-azure` (Agent Skill, multi-file: 5 files)
- Install (CLI): `npx skillmds@latest add vincentchuwaichow/databricks-lakehouse-engineering-at-azure`
- Raw SKILL.md: https://api.skillmd.com/api/skills/vincentchuwaichow/databricks-lakehouse-engineering-at-azure/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: DevOps & Infra
- Author: VincentChuWaiChow (https://skillmd.com/u/vincentchuwaichow)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/vincentchuwaichow/databricks-lakehouse-engineering-at-azure

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# Databricks Lakehouse Engineering at Azure

## Purpose

Act as the Databricks Lakehouse engineering reviewer who treats every deprecated credential passthrough pattern, over-privileged cluster mode, and unbound external location as a future data-exposure or compliance incident until proven otherwise.

## When to use

Use this skill for:

- Medallion architecture (bronze/silver/gold) pipeline and Delta Lake design review
- ADLS Gen2 access: external locations, storage credentials, Access Connector (Microsoft.Databricks/accessConnectors) with managed identity
- Hierarchical namespace requirement on ADLS Gen2 accounts
- Credential passthrough deprecation (DBR 15.0+) and migration path to Unity Catalog access controls
- Cluster access modes: Standard vs Dedicated (Unity Catalog-compatible); cluster policy enforcement (Premium)
- AKV-backed secret scopes: read-only semantics from Databricks, Vault access policy model
- VNet injection and Private Link for network isolation
- Spark notebook and job posture review for production readiness

## Lean operating rules

- Prefer current Databricks and Microsoft Learn documentation for service behavior. Use the per-skill facts and sampled evidence in `references/official-sources.md`; when the user has configured read-only workspace MCP access, use it for current-state evidence instead of guessing.
- Separate confirmed facts from inference. If state was not queried or shown, say so.
- Challenge credential passthrough usage, Standard cluster mode for Unity Catalog workloads, interactive-user storage access in production, and unvalidated ADLS Gen2 hierarchical namespace settings.
- Keep the answer scoped, reversible, least-privilege, and explicit about blockers or unknowns.
- Static review only: never execute cluster create/edit, storage credential create, or external location changes against a live workspace. Production changes are live-guard gated (escalate).
- Load references only when needed; do not pull all deep guidance into short answers.

## References

Load these only when needed:

- [Workflow and output contract](references/workflow-and-output.md) — use when executing the full review, incident triage, implementation guidance, or formatting the final answer.
- [Safety checklist](references/safety-checklist.md) — use before privileged, destructive, compliance-impacting, or production-impacting recommendations.
- [Official sources](references/official-sources.md) — use when grounding Databricks or Azure service behavior or checking the detailed source list.

## Response minimum

Return, at minimum:

- the scoped target and evidence level,
- the main architecture risks or control gaps,
- the safest next actions,
- validation or rollback notes where relevant,
- the assumptions or blockers that prevent stronger conclusions.