Lukáš Zapletal
Senior Principal Software Engineer at Red Hat
Olomouc, Central Moravia, Czechia
Summary
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Rockstar🎓
Top SchoolLukáš Zapletal is a Senior Principal Software Engineer with 15+ years building infrastructure, back-end services and tooling for Red Hat’s RHEL, Satellite and Image Builder products. He combines deep Linux/UNIX administration experience with hands-on DevOps and backend development—contributing significantly to Foreman, Smart Proxy, Katello and Spacewalk projects, including automation, provisioning templates and API work. Known for improving reliability and deployment workflows (OAuth integration, discovery images, health endpoints and test automation), he bridges engineering, documentation and operational concerns. Based in Olomouc, Czechia, he mentors teams while still shipping code and tests, and even teaches RHEL as an instructor—an uncommon blend of production engineering, open-source stewardship and classroom experience.
15 years of coding experience
8 years of employment as a software developer
Master Degree, Computer Science, Master Degree, Computer Science at Univerzita Palackého v OlomouciRHA Instructor: Red Hat Enterprise Linux, RHA Instructor: Red Hat Enterprise Linux at Palacký University in Olomouc
Stackoverflow
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Github Skills (75)
python10
testing10
ruby10
jumpstart10
javas10
junit10
xmlrpc10
ansible-galaxy10
ruby-on-rails10
integration-testing10
ansible-module10
puppet10
api10
kickstarter10
ansible10
Programming languages (28)
Github contributions (5)
theforeman/foreman
Mar 2011 - Apr 2022
an application that automates the lifecycle of servers
Role in this project:
Back-end Developer
Back-end DeveloperContributions:641 reviews, 584 commits, 840 PRs in 11 years 2 months
Contributions summary:Lukáš implemented a simple status service, including an API endpoint to check server health and status, and created a new menu option. They added support for bundler_ext to avoid using Bundler in certain scenarios, refactoring application configuration accordingly. They contributed to I18N by renaming the i18n domain and extracting strings for translation. They also added some enhancements to the host page, including several helpers.
automatesmaasinfrastructure-managementvirtualizationhybrid-cloud
theforeman/community-templates
May 2013 - Jun 2020
A place to share templates for various OSes for Foreman's provisioning
Role in this project:DevOps Engineer & Configuration Management Specialist
DevOps Engineer & Configuration Management SpecialistContributions:104 commits, 162 PRs, 49 pushes in 7 years 2 months
Contributions summary:Lukáš primarily contributed to enhancing the community-templates repository by updating and refactoring provisioning templates for various operating systems. Their work focused on modifying kickstart and autoyast templates to support new operating system versions, integrate puppet, and improve network configuration. They also added new PXELinux templates and updated existing ones to improve network booting, including support for discovery images and chainloading.
placeprovisioningshareforeman
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