IT Infrastructure
Network Engineer / Architect
BGP, routing and fabric. 25% of postings; the deepest specialism here.
Full archetype card in progress
This role is mapped and its data is live — the figures on the field page come from parsing real postings. The full card — a decoded posting, the interview loop, a worked transcript of the decisive round, a three-week plan and pay bands — is still being written.
The themes below are complete, and are the more useful half.
What this role tests
Themes, and where to learn them
These chapters are shared across every role that tests them, so preparation here compounds rather than being spent once.
Design under constraintThe decisive round for SRE, AI Platform, Infrastructure — and the reason strong engineers fail it.READ THE CHAPTER →Failure and incident narrativeEvery archetype asks for this story. The outage is the setting; the decisions are the content.READ THE CHAPTER →
Practice questions across all themes → · Back to IT Infrastructure →