Kubernetes Engineer Roadmap

A pod that will not start is the Kubernetes equivalent of a 500 error, and the most common thing you will fix. Diagnosing CrashLoopBackOff and ImagePullBackOff from events and logs is the reflex every k8s interview tests.

Half of Kubernetes problems are 'the pod is running but traffic does not reach it.' Understanding Services, endpoints, and targetPort is what lets you connect an app to the world and debug it when it breaks.

Apps need configuration and credentials, and Kubernetes has specific ways to deliver both. Wiring ConfigMaps and Secrets correctly is everyday work and a common source of subtle, resume-worthy bugs.

Getting pods onto the right nodes and scaling them with load is core operations. Understanding scheduling and autoscaling is what keeps a cluster healthy as traffic moves.

Shipping a new version without dropping a request is the job. Writing production-grade Deployments and safe rolling updates proves you can run software on Kubernetes, not just deploy a demo.

Real clusters are locked down and packaged. NetworkPolicy for isolation and Helm for repeatable installs are the senior skills that separate 'I did a tutorial' from 'I run this in production.'