Tier 1 vs Tier 2 Incident Response Teams

Some orgs split front-line and deep-dive. The tier model.

Tier 1

First responders. Triage; act on known issues; escalate when stuck.

Trained; available; fast.

Tier 2

Deeper expertise. Engaged when tier 1 escalates.

Smaller; less rotation; deeper knowledge.

When

Larger orgs (1000+ engineers).

Smaller: combined; fewer handoffs.