Alexander Trost
Senior Principal Kubernetes Architect at cargobay UG
Remchingen, Baden-Württemberg, Germany
Summary
🤩
Rockstar🎓
Top SchoolAlexander Trost is a Senior Principal Kubernetes Architect with 11 years of hands-on experience designing and operating container-native infrastructure, specializing in Kubernetes, Rook Ceph storage, and Linux systems. Currently leading architecture at cargobay UG and running his consultancy, he brings practical expertise from founding roles and enterprise DevOps positions to stabilize and scale storage-orchestrated Kubernetes deployments. A long-time Rook maintainer and active contributor to prominent projects like rook/rook and ceph/ceph-container, he focuses on robustness, networking nuances (including IPv6 and host-network modes), and secure configuration management. Known for pragmatic improvements—better health checks, RBAC fixes, and pod affinity enhancements—he combines sysadmin discipline with developer sensibilities to solve operational edge cases. Based in Remchingen, Germany, he pairs certification-backed skills (CKA) with a gamer’s persistence for iterative problem solving.
11 years of coding experience
7 years of employment as a software developer
Fachinformatiker Fachrichtung Systemintegration, Fachinformatiker Fachrichtung Systemintegration at Heinrich-Hertz-Schule
Github Skills (27)
kubernetes10
docker10
configuration-management10
storage10
bash10
cloud-infrastructure10
etcd10
containerization10
dockers10
automation10
backup10
go10
kubernetes-pods10
yaml10
ansible10
Programming languages (24)
Github contributions (5)
rook/rook
Aug 2017 - Jan 2023
Storage Orchestration for Kubernetes
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:315 reviews, 396 commits, 378 PRs in 5 years 5 months
Contributions summary:Alexander focused on enhancing the Rook Ceph storage orchestrator for Kubernetes. Their contributions included modifying Ceph monitor health checks, improving pool size update functionality, and integrating pod affinity/anti-affinity. Furthermore, they implemented improvements in the host network configuration and added the flexibility to set Ceph configuration options directly from the CephCluster CRD. Their work also included addressing the FlexVolume driver for RBD, as well as updating Minio related components.
etcddata-protectionorchestrationdockerceph
kubernetes-retired/contrib
Jan 2017 - Mar 2017
[EOL] This is a place for various components in the Kubernetes ecosystem that aren't part of the Kubernetes core.
Role in this project:DevOps Engineer
DevOps EngineerContributions:10 commits, 12 PRs, 92 comments in 2 months
Contributions summary:Alexander's contributions primarily focused on configuring and managing infrastructure and deployment aspects of Kubernetes within the `kubernetes-retired/contrib` repository. This involved modifications to configuration files for various Kubernetes components like kube-dns, heapster, and node-problem-detector, including security context settings, resource limits, and service definitions. The user also implemented certificate generation and management for etcd and other components, demonstrating a strong understanding of secure configurations. These changes suggest a focus on improving the operational aspects and reliability of the Kubernetes environment within the contrib repository.
placeeolk8skubernetesecosystem
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