Karel Šimon
Senior Software Engineer at Red Hat
Brno, Southeast, Czechia
Summary
🤩
Rockstar🎓
Top SchoolKarel Šimon is a Senior Software Engineer with 7 years of hands-on experience building and automating virtualization on Kubernetes at Red Hat, where he has progressed from Associate to Senior since 2018. He specializes in KubeVirt, contributing back-end features, DevOps automation, and test coverage—work that includes CPU/socket/thread support, device handling, and scripting for ephemeral test environments. Based in Brno, he couples practical Kubernetes and Tekton pipeline expertise with a background in control automation from Mendel University, making him adept at both infrastructure and low-level VM management. Notably, his contributions span functional tests and runtime configuration tweaks, showing a focus on reliability and reproducible VM automation in complex cloud-native stacks.
7 years of coding experience
6 years of employment as a software developer
Gymnázium ChotěbořBakalář (Bc.), Automatizace řízení a informatika, Bakalář (Bc.), Automatizace řízení a informatika at Mendelova univerzita v Brně
Czech, English
Github Skills (12)
sh10
kubernetes10
script10
shell10
scripting10
kubernetes-pods10
virtualization10
testing9
apidoc9
go9
api9
libvirt8
Programming languages (9)
Github contributions (5)
kubevirt/kubevirt
Nov 2018 - Jul 2022
Kubernetes Virtualization API and runtime in order to define and manage virtual machines.
Role in this project:
Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:106 reviews, 48 commits, 59 PRs in 3 years 8 months
Contributions summary:Karel contributed to setting memory size configurations for nodes within the Kubernetes virtualization environment. They modified shell scripts and configurations related to ephemeral providers and test environments, demonstrating familiarity with scripting and Kubernetes setup. Furthermore, they implemented support for CPU sockets, threads, and tablet devices and added functional tests for these features, indicating expertise in virtualization API and functionality, along with automated testing. The changes also extended to enabling USB controllers based on device selection.
apivmsmachineslibvirtruntime
openshift-virtualization/openshift-virtualization-pipelines-tasks
Feb 2024 - Mar 2025
Contributions:44 releases, 7 PRs, 32 pushes in 1 year 1 month
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