Marek Hulán
Senior Manager at Red Hat
Brno, South Moravia, Czechia
Summary
🤩
Rockstar🎓
Top SchoolMarek Hulán is a seasoned engineering leader with 16 years of experience building and managing system and configuration-management software, currently serving as Senior Manager at Red Hat in Brno. He combines hands-on backend development—especially in Ruby and system integration—with management of teams delivering lifecycle automation for physical and virtual servers. A long-time contributor to major open-source projects like Foreman and Katello, Marek has deep expertise in SSO/authentication, provisioning, Puppet modules, and robust backend refactors that improved security and deployment flexibility. His background as a sysadmin and DevOps engineer informs pragmatic infrastructure work, from kickstart/preseed templates to complex DB and sub-URI deployments. Holding a master’s in Information Technology Security, he blends security-minded design with operational experience. Colleagues rely on him to translate intricate system-management challenges into maintainable, production-ready solutions.
16 years of coding experience
14 years of employment as a software developer
Master's degree, Information Technology Security, Master's degree, Information Technology Security at Masarykova univerzita Fakulta informatiky
Github Skills (44)
ruby-rails10
network-configuration10
puppeteer10
postgresql10
foreman10
back-end-development10
puppet10
api-design10
net10
configuration-management10
authentication10
user-authentication10
rails10
networking10
ruby10
Programming languages (15)
Github contributions (5)
theforeman/community-templates
Aug 2014 - Jun 2020
A place to share templates for various OSes for Foreman's provisioning
Role in this project:
DevOps Engineer
DevOps EngineerContributions:76 commits, 111 PRs, 38 pushes in 5 years 10 months
Contributions summary:Marek primarily focused on modifying and enhancing the kickstart and preseed templates used for provisioning hosts, adding support for features such as Chef bootstrapping, FreeIPA registration, and network configuration. They addressed various bug fixes related to networking, DNS configuration and VLANs. The user's changes impacted the automated provisioning process within the Foreman environment, making it more robust and feature-rich.
placeprovisioningshareforeman
theforeman/foreman
Mar 2013 - Dec 2022
an application that automates the lifecycle of servers
Role in this project:Back-end Developer
Back-end DeveloperContributions:470 reviews, 687 commits, 943 PRs in 9 years 10 months
Contributions summary:Marek's commits focus on implementing, refactoring, and enhancing Single Sign-On (SSO) functionality within the Foreman application. They've reworked existing SSO implementations for Apache and Signo, introducing a general SSO concept based on the OpenID protocol. They also addressed session expiration issues and API access control, demonstrating expertise in authentication and security aspects of the project. Further contributions cover improvements in the template API that supports reporting.
automatesmaasinfrastructure-managementvirtualizationhybrid-cloud
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