Capgemini Engineering is a world leader in engineering services, dedicated to helping innovative companies unleash their potential through a global team of experts. They are seeking a K3s Network Engineer to design, deploy, and operate Kubernetes-based hosting platforms, ensuring security, scalability, and resilience across various environments. This role is crucial for engineers passionate about cloud-native ecosystems and automation.
Responsibilities:
- Develop and maintain custom Kubernetes controllers, CRDs, and operators to extend platform capabilities
- Integrate Kubernetes with Linux-based infrastructure bootstrapped via PXE, OTA, and other provisioning methods
- Deploy and configure K3s clusters across heterogeneous hardware (bare metal, ARM/x86 nodes, and accelerators)
- Automate cluster provisioning, node registration, and upgrade workflows
- Monitor platform health using Prometheus, Grafana, and Kubernetes Events
- Enforce network policies, RBAC, secrets management, and container security best practices
- Optimize Kubernetes performance on constrained hardware and air-gapped systems
- Troubleshoot container runtimes, DNS resolution, and overlay networking (e.g., Calico, Flannel)
Requirements:
- 5+ years of experience managing Kubernetes platform components and lifecycle operations
- Understanding of multi-node hybrid clusters across x86, ARM, and accelerators
- Proficiency with Helm charts and Argo CD for application and platform deployment
- Strong skills in Go, Bash scripting, YAML/JSON configuration, and REST API development
- Deep understanding of Kubernetes CNI plugins and network policy management
- Experience in the telecom domain and networking is a strong plus