> Markdown version of [/jobs/ext/4490304-kubernetes-devops-engineer-for-online-charging-systems](https://www.wearedevelopers.com/jobs/ext/4490304-kubernetes-devops-engineer-for-online-charging-systems). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Kubernetes DevOps Engineer for Online Charging Systems - **Company:** T-Systems - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), DevOps, System Availability, Kubernetes, OSS/BSS - **Published:** November 1, 2026 - **Apply:** https://www.jobleads.com/es/job/kubernetes-devops-engineer-for-online-charging-systems--madrid--e7f8f82ef89f8e60468a5cd733d9eadb6 ## About the Role The role demands deep Kubernetes expertise, OCS/CCS knowledge and a proven ability to design APIs, ensure high availability and smooth production rollouts in a complex telecom environment. English and German language growth included. ## Description T-Systems Madrid is seeking a DevOps Engineer to drive the integration and operation of a Kubernetes-based private cloud for our Online Charging System. You will architect system interfaces, optimize performance and lead migrations with international teams. The role demands deep Kubernetes expertise, OCS/CCS knowledge and a proven ability to design APIs, ensure high availability and smooth production rollouts in a complex telecom environment. English and German language growth included.