DevOps Engineer

Strong Dev ops or system engineer Lead/Senior-(proactive developer and operator, not a consultant)
Must Have - applications Support - IT support with CIoud understanding virtualization , open stack , Kubernetes, containerization, how to deploy web server and how to keep app running?
looking for specific knowledge/expertise regarding Groovy and Jenkins Files Pipelines which is one of the strongest needs , developing pipelines, should have experience in developing Jenkins Libraries we have to be able to use Jenkins Shared Libraries
any exp with operating systems- creating images , Jenkins Pipelines with Jenkins Files (Groovy ).