About

Work Experience

• Professional Cloud Native Engineer, x-cellent technologies GmbH - metal-stack.io and metalstack.cloud

  Apr, 2026 - Present

  • Building a virtualized test environment for testing metal-stack.io, including virtualization of datacenter-grade SONiC switches

  • Contributed to the open source project metal-stack.io

  • Development of features for the SONiC sonic-vpp platform required use in metal-stack.io

• Site Reliability Engineer - Managed Databases, STACKIT

  Dec, 2024 - Apr, 20261 year 4 months

  Building a managed database service on K8s for a public cloud provider

  • Conceptualized and built a multi-region multi-stage software delivery process using FluxCD

  • Contributed to internal K8s operators

  • Maintained 80+ K8s clusters using Terraform, FluxCD and ArgoCD

  • Automated cluster deployment according to Terraform best practices and brought down bootstrap time from multiple hours to 15 minutes

  • Prepared the product for use in critical infrastructure applications (e.g. medical data) by implementing measures to satisfy C5 security requirements

  • Taking part in regular on-call duty

• System Engineer Technical Platform, Thieme Publishing Group

  Jun, 2024 - Nov, 20245 months

  Building an internal developer platform as part of the internal DevSecOps group

  • Established a plan to move from a ticket-based to Infrastructure-as-Code provisioning workflow

  • Improved existing internal SPA tools written in Golang, HTMX and React

  • Created awareness around Site Reliability Engineering principles

• Cloud/Platform Engineering Consultant, Scandio GmbH

  Feb, 2020 - May, 20244 years 3 months

  Built Cloud Native platforms and applications

  • Held multiple project responsibilities and lead small teams in customer engagements

  • Architected and maintained public cloud infrastructure for multiple DAX companies using IaC

  • Architected and executed "lift-and-shift" of the internal toolchain to Kubernetes based infrastructure

  • Created Workshops and other educational material for use with customers

  • Drove adoption of Cloud Native Tooling as a first class Platform Engineering stack

  • Participated as a technical contact in sales engagements

  • Wrote a Kubernetes Operator for lifecycle management of Atlassian training environments

  • Designed and hosted multiple internal and external talks about SRE

Projects Experience

• Bare metal K8s cluster

  Aug, 2024 - Dec, 20244 months

  Explored self-hosted infrastructure to K8s to explore new technologies

  • Multi Node Bare Metal Cluster

  • Evaluating KubeVirt as a virtual datacenter solution

  • JuiceFS+Bunny.net to provide cost-effective storage

  • Contributed to Kube-VIP software load balancer to improve NAT traversal capabilities on consumer-grade routers

• Bunny.net Edge Storage for JuiceFS

  Jan, 2024 - Apr, 20243 months

  Integrate the Bunny.net Object Storage solution as supported backend for JuiceFS

  • Developed and published a new and improved Go library for Bunny.net

  • Upstreamed into JuiceFS

Skills

Education

Certificates

Publications

Interests