Company Description T‐Systems is part of the Deutsche Telekom Group, with around 30.000 employees worldwide. We are one general team, guided by respect, integrity, and a passion for doing better every day. We seek an experienced professional to design and enhance our Kubernetes-native automation OCAS (Operator-based Cloud Automation Solution) for the Telekom Cloud environment. Integrations include Vault/ESO, Kafka, Logging Operator, Telegraf, GitLab/Artifactory. In general the scope of work is the creation of solution and functional concepts based on the proposed solutions and project orders as of: Design, implement and test Production-grade Kubernetes operators (Go, controller-runtime/Kubebuilder or Operator SDK) with tested CRDs: Test-Automation-Framework handler, Helm CNF Operator/Wrapper. Define reconciliation logic, status/events, finalizers; Design, implement and test Configuration-as-Data: templates, environment specific rendering, and Git-based workflows. Design, implement and test working integrations with Kafka, Logging Operator, Telegraf. Create, build and test shared parameter models("customer profile") and config builders for cross-operator parameter injection. Create and optimize GitOps repositories with FluxCD (multi-env/multi-cluster) with release templates, Helm/Kustomize overlays, release definitions, and inventory CRDs. Specify,



develop and test a fully automated CNF lifecycle including in-service upgrades, dependency management (blocking/non-blocking), scaling, and clean teardown. Develop, Implement and test Security & compliance integration: RBAC, Vault/ESO secret handling, image/chart provenance (Artifactory), policy alignment. Implement project specific CI/CD pipelines (GitLab) for build, test, security scanning, and release to Artifactory. At least five years of relevant professional experience in software development. In-depth knowledge of object-oriented programming languages (ideally Go or Python). Solid experience with Kubernetes, Kubernetes APIs, CRDs, reconciliation patterns, finalizers, Role-Based Access Control (RBAC). GitLab CI/CD. Proven expertise in software architecture. Business-fluent English skills. T-Social: social initiatives (sports, community, health, ...). Hybrid work model (remote/on-site). Flexible

working hours
. Customized training: access to Coursera to learn whatever you want, whenever you want. Weekly language classes (English & German). Flexible compensation plan (health insurance, meal vouchers, childcare, transport). Social fund. Free access to specialist services (medical, legal, wellness). ~

📌 DevOps Engineer (Comunidad de Madrid)
🏢 T-Systems International
📍 Comunidad de Madrid