Principal Enterprise Architect
Mike Reams
I design and govern the systems enterprises actually run on — ServiceNow, CMDBs, and cloud platforms — and I write about what it takes to change them without breaking anything.
- 26 yrs · enterprise systems
- Azure Solutions Architect Expert
- AI Consultant
- 2 companies co-founded
Status / now
Leading technical architecture across Sherwin-Williams' enterprise platform estate, and running an architecture knowledge base that an AI curates and architects ratify.
Selected work
All 17 projects →PRJ · 2026
CSDM rules in a PDF to A canvas that checks them
Blueprint Modeler: A Free CSDM Architecture Canvas
A free, browser-only canvas for modeling application architecture the CSDM way, with conformance hints from public sources.
- CSDM
- ServiceNow
- Open Source
PRJ · 2026
Ad hoc CMDB queries to Governed console
EA Console: A Governed Workbench for the CMDB
A self-hosted console and MCP server for querying and safely updating a ServiceNow CMDB, with a grounded local AI assistant.
- ServiceNow
- CMDB
- AI
PRJ · 2026
Spreadsheet dispositions to Ratified decisions
Application Portfolio Rationalization
A ServiceNow and CSDM practice that turns an application inventory into a portfolio you can actually make decisions about.
- APM
- ServiceNow
- CSDM
Writing
All 29 posts →- 3 min
When a Config Change Is Really an Acquisition
A model router is one line of config and a new external data processor. Treat it as an acquisition, test the premise, and prefer a local fallback.AI · Governance - 3 min
Why You Can't Answer "What Does This App Cost?"
Cost lands on contracts, assets and cost centers, not the application. Three relationship paths carry it there; keep estimates and actuals separate.APM · TCO - 4 min
The Missing Middle: Why Business Apps Shouldn't Point at Servers
Business apps shouldn't point at servers: skipping the application service loses blast radius, ownership and impact. Find the gap, then fix it in order.CMDB · CSDM