T- Systems Iberia in Madrid is seeking an experienced Engineer to manage and monitor 5 G Core and 4 G Core frontend systems in a cloud environment. You will work with a cross‑functional team across Europe, focusing on reliability, performance, and incident response.The role requires deep 5 G core knowledge and hands on use of Kubernetes tools, Kibana, Grafana, and Git Ops. We offer hybrid on‑site/remote work, adaptable hours, and strong development opportunities through Coursera and language classes.