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 configuration and a new external data processor. How to tell a config change from an acquisition, why to test the premise first, and the safer fallback I chose.AI · Governance - 3 min
Why You Can't Answer "What Does This App Cost?"
Application cost is recorded on contracts, assets and cost centers — almost never on the application. The three paths that carry it there, and the rules that keep estimates and actuals honest.APM · TCO - 4 min
The Missing Middle: Why Business Apps Shouldn't Point at Servers
Business applications wired straight to infrastructure skip the application service layer, and with it blast radius, ownership and business impact. Why it happens, how to find it, and how to fix it in order.CMDB · CSDM