Well, for the relatively small sample of Kubernetes experts I interviewed, basically any topic beyond “you use this tool” was a disaster, including Kubernetes knowledge. I am not selective, it’s not like I expect a specific skillset, but what would you think if someone with a decade of platform security doesn’t understand cryptography and supply chain, Linux permissions, Kubernetes foundational concepts, container isolation or networking? At some point the question is legitimate, what are you expert in? The answer I have been able to give myself so far is “stitching together services that do stuff” and “recommend what the documentation/standard recommends”. I consider myself satisfied to have somewhat decent knowledge in some of those areas, I am not expecting someone understanding all of that, but none of them? Maybe from someone who just joined the industry.