Cassandra Administrator

We are looking for a Cassandra Administrator Senior (5+ years), or Mid (3+ years), located in Poland. You will be delivering a project to configure new and optimize the configuration of existing Cassandra clusters, taking into account the requirements of HA(High Availability) and store more than 100TB of data. We plan the Disaster Recovery strategy taking into account many Datacenter. This requires cooperation with teams of architects, programmers and DevOps. We use Linux on Debian or Ubuntu and Kubernetes platforms.