Technical screening questions
Ask for one example per question and listen for specifics.
- How do you troubleshoot a pod stuck in CrashLoopBackOff? A good answer: Logs, events, probes and resource limits.
- How does a Kubernetes service route traffic? A good answer: Service types, endpoints and kube-proxy.
- How do you manage resource limits? A good answer: Requests, limits and autoscaling.
- How do you upgrade a cluster? A good answer: Version skew, node rotation and rollback.
- How do you secure a cluster? A good answer: RBAC, network policies and image scanning.
Quick screening questions
Use these when you have only a few minutes.
- How big were the clusters you ran?
- Describe how you debugged a failing pod in production.
- How do you handle upgrades with minimal downtime?
What separates the levels
Match the level to the requirement before you submit.
- Junior: deploys with existing charts.
- Mid: runs clusters and troubleshoots.
- Senior: designs the platform and security.
Red flags
Any of these is a reason to probe further.
- Only used a managed dashboard.
- Cannot explain services.
- No upgrade experience.
Tools you should hear mentioned
A Kubernetes engineer with real experience usually names several of these without prompting.
- Kubernetes
- Helm
- Docker
- Prometheus and Grafana
- Ingress controllers
- kubectl
Run the call well
Ask for the last project first, then dig into the second or third question. Take notes on versions, team size and outcomes, and record them with the submission so the vendor’s later technical interview does not surprise you.
Frequently asked questions
How long should a Kubernetes engineer screening call take?
Fifteen to twenty minutes is enough to cover the project, three technical questions and availability, rate and work authorization.
Do recruiters need to know the technology?
Working vocabulary is enough. Use the sourcing guide for the role and listen for specifics instead of judging technical depth yourself.