Robin Rosenstock

Orchestrated HA Kubernetes clusters, achieving full operational autonomy and delivering the first production change within one week. Maintained 99.9%+ uptime via proactive SRE and led modernization and re-creation of the dev cluster. Architected a scalable self-service platform, migrating Ingress-Nginx to Traefik to streamline OAuth2- proxy and webhook integrations. Standardized GitOps and IaC via ArgoCD to eliminate drift and ensure consistency. Optimized CI/CD and image-building, migrating registries to Docker to improve deployment speed. Spearheaded AI initiatives, deploying local LLMs on GPU servers to accelerate AI transformation.

Ensured the continuous availability of critical environments for Autobahn, Deutsche Bank's premier Foreign Exchange trading platform (Migrated mission-critical environments to a hybrid cloud platform powered by Google Anthos, enhancing infrastructure scalability and resilience. Operated across both DevOps and Tier 3 Support teams, simultaneously driving infrastructure automation while serving as the final point of escalation for complex technical issues. Directed the technical execution of high-profile client demonstrations globally, providing overnight coverage to ensure seamless showcasing across all time zones. Served as the On-Call Specialist for hybrid production environments, leveraging deep expertise in ArgoCD to manage GitOps workflows and ensure rapid recovery of live systems.

Administered 75+ Linux servers (Ubuntu, Suse, RHEL) and 300+ VMs using XEN (Citrix Hypervisor, XCP-ng, Xen Orchestra). Supervised enterprise storage and backups, overseeing NetApp and TrueNAS systems and solely implementing a new backup solution (Commvault). Maintained critical databases (Oracle, MSSQL) and managed hybrid infrastructure across on-premises and Azure. Led DevOps and automation initiatives using Git (and Gitea) and implemented key services like a company-wide password manager (Bitwarden). Advised on technical budgeting for infrastructure investments in the six-figure range. Monitored all services via Zabbix and provided Tier 3 technical support for internal IT.