Kubernetes Operator Engineer (m/f/d)

We seek an experienced professional to design and enhance our Kubernetes-native automation OCAS (Operator-based Cloud Automation Solution) for the Telekom Cloud environment.

OCAS delivers fully declarative lifecycle management (deploy, configure, update, teardown) for containerized applications/CNFs using CRDs, controllers, and GitOps with FluxCD. Integrations include Vault/ESO, Kafka, Logging Operator, Telegraf, GitLab/Artifactory.

Scope of Work

In general the scope of work is the creation of solution and functional concepts based on the proposed solutions and project orders as of: Basic functionalities, required models, interface design, migration concept, evasion and relapse scenarios and in more detail:

• Design, implement and test Production-grade Kubernetes operators (Go, controllerruntime/Kubebuilder or Operator SDK) with tested CRDs: o CNF LCM Operator, Service LCM Operator, Infrastructure Provisioning Operator o Test-Automation-Framework handler, Helm CNF Operator/Wrapper
• Define reconciliation logic, status/events, finalizers; implement idempotent, resilient controllers for the targeted solution
• Design, implement and test Production-grade Kubernetes operators (Go, controllerruntime/Kubebuilder or Operator SDK) with tested CRDs.
• 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.
• Observability by design: logs, events, metrics, error handling, retry/backoff.
• 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.
• Create detailed architecture and design documentation and technical descriptions of the target solutions (e.g. detailed concepts, APIs, runbooks, application documents, initial user manuals).