MIM Guide
Reference Guide

Major Incident Management (MIM) Guide

A comprehensive, practitioner-focused reference for building or improving your Major Incident Management process, inspired by ITIL and Agile best practices.

Speed

Restore service first, investigate later.

Clarity

Everyone knows their role and the plan.

Continuous Improvement

Every incident makes the process better.

Key roles at a glance

Full RACI

MIM

Major Incident Manager

Overall incident. Coordinates everyone, drives bridge, owns comms decisions.

Primary: R/A

Tech Lead

Technical Lead

Investigation and resolution. Leads resolver groups, proposes fixes.

Primary: R

Comms

Communications Lead

Stakeholder updates for internal, external, exec, and status page.

Primary: R

Scribe

Scribe / Notetaker

Timeline and decisions. Real-time log, action items, PIR draft.

Primary: R

Biz Rep

Service Owner / Business Rep

Business impact. Prioritises effort, approves customer comms.

Primary: C

What's inside