- Operate and improve Azure end to end, including AKS, Key Vault, Defender, networking, identity, Azure PostgreSQL, governance, security, hybrid connectivity, and cost optimization. - Run our Proxmox-based on-prem infrastructure, including VMs, Kubernetes nodes, networking, capacity planning, and PostgreSQL/Patroni with HAProxy. - Operate Kubernetes across projects, covering upgrades, scheduling, networking, storage, maintenance, and troubleshooting from kernel to ingress. - Manage RabbitMQ, Redis, Vault, and PostgreSQL, and work with developers on reliable delivery, architecture, operability, and cost. - Own observability, incidents, backup and disaster recovery, security, IAM, secrets, vulnerability management, DNS, certificates, Terraform, GitHub Actions, and automation. Ihr Profil: - Several years of hands-on experience running production infrastructure, with strong Azure knowledge across a broad range of services. - Production experience with Kubernetes, both managed and self-managed, plus solid Linux fundamentals. - Comfortable working with on-premises infrastructure, including VMs, hypervisors, networking, and physical hardware. - Experience operating stateful production services such as PostgreSQL, RabbitMQ, Redis, or similar. - Proficiency with Terraform or comparable IaC tools, CI/CD pipelines, ideally GitHub Actions, and scripting in Bash and Go. - Sound understanding of cloud and infrastructure security, experience contributing to system design, a generalist ownership mindset, and fluent English; German is a plus.
