David Hrbáč
Senior Infrastructure Architect at TietoEVRY
Ostrava, Moravia-Silesia, Czechia
Summary
👤
Senior🎓
Top SchoolDavid Hrbáč is a Senior Infrastructure Architect with 18 years of experience designing and operating large-scale, highly available infrastructures—spanning HPC, cloud, Kubernetes (Rancher, OpenShift), OpenStack and virtualization. He combines hands-on DevOps/GitOps, CI, and IaaC expertise with leadership in R&D, mentoring and operationalizing complex systems at organizations like IT4Innovations and TietoEVRY. David led and scaled the Czech Republic’s largest HPC environment (>2,800 servers), introduced GitLab-based CI/CD and auto-healing principles, and drove ISO/IEC 27001 certification and infrastructure automation. An active open-source contributor and long-time RPM packager, he has improved widely used projects (e.g., Yii translations, vagrant-vsphere, Repoforge packages), reflecting a focus on practical, community-facing tooling. He also lectures on Software Project Management and brings an unusual mix of academic credentials (PhD work in CS/math) and theology studies, underscoring a broad intellectual curiosity.
18 years of coding experience
21 years of employment as a software developer
ING-PAED IGIP, Pedagogy for Higher Studies, ING-PAED IGIP, Pedagogy for Higher Studies at Centre for Higher Education Studies (CHES)Ing., Measurement and Informatics, Ing., Measurement and Informatics at Technical University of Ostrava, Faculty of Electrical Engineering and Computer ScienceMendelovo gymnáziumDoctor of Philosophy - PhD, Mathematics and Computer Science, Doctor of Philosophy - PhD, Mathematics and Computer Science at Technical University of OstravaBachelor's degree, Theology/Theological Studies, Bachelor's degree, Theology/Theological Studies at Palacký University in Olomouc
English, Russian, Polish, Slovak, Spanish, French, babaru
Stackoverflow
301reputation
19kreached
8answers
1question
Github Skills (35)
yii10
vsphere10
c-language10
patch10
packaging10
vmware10
vmware-workstation10
vmware-tools10
ruby10
php10
localization10
rpm10
vagrant10
clang10
git9
Programming languages (17)
Github contributions (5)
repoforge/rpms
Oct 2009 - Jan 2018
RepoForge.Org package specifications. This is where you can modify RepoForge.Org packages!
Role in this project:
Backend Developer
Backend DeveloperContributions:441 commits, 2 PRs, 4 pushes in 8 years 4 months
Contributions summary:David's contributions primarily involve patching and updating existing packages within the `repoforge/rpms` repository. Their work focuses on modifying package specifications, specifically for applications such as `amavisd-new`, `tmux`, `rdiff-backup`, `apachetop`, `subversion`, `freeze`, `cacti`, `gitolite`, `ganglia`, `siege`, `razor-agents`, `lzo`, `htop`, `phpMyAdmin`, `python-webpy`, `eggdrop`, and `ucarp`. These modifications often involve security fixes, configuration adjustments, and updates to ensure compatibility and functionality.
emacsorg-modemodifyspecifications
yiisoft/yii
Jun 2012 - Jun 2012
Yii PHP Framework 1.1.x
Role in this project:Localization / Internationalization Specialist
Localization / Internationalization SpecialistContributions:40 commits in 2 days
Contributions summary:David's contributions primarily focused on improving the quality and accuracy of Czech translations within the Yii PHP Framework. The commits involve correcting numerous typos and grammatical errors across a large set of Czech language files related to error messages and user interface strings. This work directly contributes to the framework's usability for Czech-speaking developers and users.
yiiyii1phpframeworkyii-php-framework
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