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Staff Software Engineer (f/m/d) Managed Kubernetes

IONOS

Hybrid🇩🇪Berlin, BE, GermanyleadPosted 19h ago

Visa & sponsorship

  • DE Blue Card: this role is on the national occupation list. The posting doesn't state a salary we could check against the threshold.

Job description

We are seeking an experienced Specialist Software Developer to join our Managed Kubernetes team. You'll play a crucial role in developing and maintaining our Managed Kubernetes Product that serves both internal IONOS teams and external customers. This position requires experience with Kubernetes architecture and a strong focus on operational aspects aligned with the principles of CKA (Certified Kubernetes Administrator).

Tasks

  • Design, development, and maintenance of cloud-native applications in Golang (Kubernetes Operators, REST APIs, libraries).

  • Designing and implementing new features to improve our Managed Kubernetes offering.

  • Contribute to the further development of our service architecture and infrastructure-as-code processes.

  • Development and maintenance of the complete DevOps toolchain (Helm Charts, GitHub Actions, GitOps workflows).

  • Creation and maintenance of Kubernetes operators, controllers and custom resource definitions (CRDs).

  • Implement monitoring, alerting, and observation solutions for Kubernetes workloads; collaborate with cross-functional teams to improve platform reliability and performance.

Qualifications

  • 3+ years of hands-on experience working with Kubernetes in production environments.

  • Proficiency in Golang development with a track record of delivering production-grade code.

  • Understanding of Kubernetes architecture, API resources, and extension patterns.

  • Knowledge of container orchestration, networking, and security principles.

  • Knowledge of CI/CD pipelines and GitOps workflows.

  • Experience with observability stacks (Prometheus, Grafana, Loki, etc.) for monitoring and troubleshooting.

  • Linux system administration skills.

  • Willingness to undergo extended security vetting (SÜ2).

Benefits

  • Hybrid working model.

  • Flexible working hours through trust-based working hours.

  • At some locations a subsidized canteen and various free drinks.

  • Modern office space with very good transport connections.

  • Various employee discounts for activities and products.

  • Employee events such as summer and winter parties, as well as workshops.

  • Numerous training and development opportunities.

  • Various health offers, such as sports and health courses.