Job Description Critical Skills to Possess: Kubernetes & Container Orchestration • 3 years of production Kubernetes experience; bare-metal / on-premises experience is mandatory — cloud-managed Kubernetes experience alone does not qualify • Hands-on Helm chart authoring (not just consumption), ArgoCD or equivalent GitOps tooling, and cert-manager • Deep understanding of Kubernetes control plane HA: etcd Raft quorum, leader election, minimum viable node counts • Experience with MetalLB and Traefik or equivalent bare-metal ingress and load balancing tools Messaging & Streaming • Production hands-on experience with Apache Kafka: topic configuration, partition sizing, replication factor, consumer group management, KRaft mode • Solid understanding of consumer lag monitoring and back-pressure patterns under burst load • Strong familiarity with MQTT protocol semantics: persistent sessions, QoS levels, TLS mutual authentication; hands-on experience with EMQX or a comparable broker at tens-of-th...