Hybrid Platform Engineer – Kubernetes Expert

at Sonia

• Job title: Platform Engineer – Kubernetes Expert
• Job type: Full Time
• Experience level: Mid level, Senior
• Salary: Not specified
• Degree requirement: Bachelor's Degree
• Tech skills: AWS, Azure, Cloud, Distributed Systems, Flux, Google Cloud Platform, Grafana, Kubernetes, Postgres, Python, RabbitMQ, Redis, Terraform
• Location requirements: Hybrid, Berlin, Germany

About the role

• Platform Engineer responsible for developing and managing Kubernetes environments for AI solutions in healthcare. Collaborating with teams to enhance core infrastructure and streamline deployments.

Responsibilities

• Design, deployment, and management of scalable and secure Kubernetes clusters on OVHcloud.
• Ownership and advancement of our CI/CD pipelines for automated, reliable application and infrastructure deployments.
• Implementation and management of our GitOps workflows using tools like ArgoCD or Flux.
• Management and scaling of GPU workloads in Kubernetes, ensuring optimal performance and resource utilization for our ML teams.
• Development and maintenance of our observability stack (VictoriaMetrics, VictoriaLogs, Grafana, Tracing) to ensure deep visibility into system health.
• Management of our cloud infrastructure on OVHcloud, focusing on automation (Infrastructure as Code), cost optimization, and security.
• Lifecycle management of core platform services, including message brokers (RabbitMQ), databases (PostgreSQL, Redis), and authentication systems (Okta, OIDC, OAuth2).
• Acting as a key responder for infrastructure incidents; debugging and troubleshooting complex production issues across distributed systems.
• Supporting and empowering development teams by providing robust self-service tools, clear documentation, and collaborative support.

Requirements

• 3-5+ years of professional experience in a Platform Engineering, DevOps, or SRE role
• Deep, hands-on experience with Kubernetes in a production environment (cluster management, networking, security, scheduling)
• Proven experience managing infrastructure on a cloud provider (OVHcloud is a strong plus; AWS, GCP, or Azure experience is also valued)
• Strong practical knowledge of CI/CD systems (e.g. GitHub Actions) and GitOps principles (ArgoCD, Flux)
• Proficiency with Infrastructure as Code (IaC) tools like Terraform or Pulumi
• Solid understanding of observability principles and tools (e.g. VictoriaMetrics, VictoriaLogs, OpenTelemetry/Tracing, Grafana)
• Experience managing stateful services in production (e.g. PostgreSQL, Redis, RabbitMQ)
• Solid scripting skills in Python

Benefits

• Full ownership of a mission-critical platform
• A team that values curiosity, learning, and experimentation
• Remote-first setup with the option to work in our Berlin office