Cluster FieldbookGKE platform architect
GKE · Platform ArchitectureView Markdown source

The GKE platform architect role

Google Kubernetes Engine (GKE) is Google's managed Kubernetes service. A GKE architect decides how teams safely run containers at scale.

Explain it like I am five

Imagine an application is a toy made from many small boxes. A container is one box with everything a program needs. Kubernetes is the organizer that puts boxes on computers, replaces broken boxes, and makes more when people need them. GKE is Kubernetes where Google operates much of the organizer.

The architect decides which playground to use, who may enter, how boxes talk, what happens when a computer breaks, how updates stay safe, and how much it all costs.

The job loop

  1. Discover outcomes, users, data, scale, recovery, security, and team skills.
  2. Decide whether Kubernetes is actually needed.
  3. Choose Autopilot or Standard and define cluster/project boundaries.
  4. Design identity, network, workload, data, delivery, and operations.
  5. Make trade-offs visible to developers, security, finance, and leadership.
  6. Prove the design with tests, SLOs, game days, cost data, and recovery drills.

What strong evidence looks like

  • A one-page platform and workload context diagram.
  • A cluster-mode decision with rejected alternatives.
  • Namespace, IAM, RBAC, and Workload Identity design.
  • Network and traffic flow with default-deny policy.
  • Resource requests, autoscaling, disruption, and topology policy.
  • Supply-chain controls from source to signed image to running Pod.
  • SLOs, dashboards, alerts, runbooks, and an upgrade plan.
  • RTO/RPO, Backup for GKE restore test, and regional failure plan.
  • Cost per request or tenant, not only a monthly invoice.

The key principle

Kubernetes gives a common API for containers; it does not make an application secure, reliable, or inexpensive automatically. GKE removes some platform work, especially in Autopilot, but workload design remains your responsibility.

Cluster FieldbookIndependent study material · verify production details in Google Cloud documentation