- Disciplinary leading a team of 8 infrastructure engineers andsoftware developers.- Responsible for development and operations of a Kubernetesprivate cloud platform for currently 750 business critical softwareapplications for 1&1 Mail&Media with currently 16 clusters,1000 bare-metal nodes and over 500.000 network rps- Alignment of the team towards customer and product focus usingagile frameworks like OKR and Kanban- Recruiting and onboarding- Technology stack: Kubernetes, Service-Mesh (Istio), Gitlab,Prometheus, Vault, ELK, Puppet, Python, Golang

- Disciplinary leading the European IT Operations team in Karlsruheand London, UK- Responsible for EU datacenter operations, network operations, systemadministration and 24/7 shift planning- Public cloud integration (AWS), including cost-analysis for a hybridcloud model- Cost savings (about 70%) in EU datacenter operations byconsolidating both European datacenters into one facility inKarlsruhe- Responsible for Office-IT / Helpdesk for 140 employees inKarlsruhe and London- Purchasing of all IT equipment with responsibility for budget, forecasting and close collaboration with corporatefinance- Designing and implementing different processes like procurement,employee on-/offboarding, GDPR compliance- Technology stack: AWS Cloudformation, Apache Cloudstack, Cisco,Arista, Icinga2, InfluxDB, Oracle DB, ELK, Ansible