The key things to look for during tech interviews are curiosity, and the ability to learn. Having past experiences with the technology your working with is a bonus. Consider how often people in tech have to reinvent themselves as the tech landscape changes like seasons. Frameworks come and go faster than anybody can master them.
Kubernetes isn't even 10 years old at this point. The "DevOps" era was over in less. Configuration management was variable until it was mostly Ansible.