Staff Software Engineer (f/m/d) Managed Kubernetes / 1647

Arbeitgeber: IONOS SE

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.