I don't know if its a right place for me to make this post ... but i have been loking for a job change ...my roles have been mixed like initially i worked as devops engineer for two years then was moved to cloud migration then cloud operations mainly in azure ....i have knowledge in terraform for infrastructure provisioning(mainly virtual machines) jenkins from previous experience python scripting kubernetes (AKS) docker azure devops pipelines its like i know a little bit of everything but not enough so does anyone know how to permanently switch to devops platform engineering?

im stuck i blew of an interview at round 2 because i didn't know system design much so i don't know i would appreciate any sort of help

I don't know where to start wat tools to stick too n learn properly ?