From 60% Toil to 20%: A 5-Level SRE Team Maturity Model and 6 Engineering Decisions for Quantitative Self-Assessment
Overview When I took over an operations team in 2021, I ran a simple audit: 12 people, 40 hours per week each, averaging 24 hours spent on manual ticket handling, service restarts, and disk space cleanup. That’s 60% toil. Of the remaining 16 hours, half went to status meetings. Actual engineering time: under 8 hours per week per person. Everyone was busy, but the system was still unstable. MTTR sat at 40 minutes, availability at 99....