Jan Mara
Senior System-Administrator And Engineer
Cologne Bonn Region Germany
Summary
👤
Senior🎓
Top SchoolJan Mara is a Senior System Administrator and Engineer with 14 years of hands-on experience designing and operating scalable web infrastructures and high-performance MySQL deployments from the Cologne/Bonn region. DRBD-certified and a Unix/Linux expert, he builds resilient, automated environments using configuration management (Chef), Infrastructure as Code, Jenkins-driven deployments, and Vagrant for reproducible dev setups. He’s passionate about monitoring—Graphite, CollectD and Nagios are central to his work—and brings observability-first thinking to performance tuning and capacity planning. Comfortable coding in PHP, Ruby, Python and shell, Jan blends systems engineering with practical scripting to solve production issues quickly. A long-tenured contributor at Krankikom GmbH, he pairs deep operational knowledge with agile workflows to deliver reliable, scalable services.
14 years of coding experience
Fachinformartiker Systemintegration, Fachinformartiker Systemintegration at Bertolt-Brecht-Berufskolleg Duisburg
German, English
Github Skills (128)
reverse-proxy10
rancher10
ruby10
automation10
letsencrypt10
virtualization10
golang10
vagrant10
kubernetes10
cattle10
load-balancer10
docker10
glusterfs9
charts9
ansible9
Programming languages (9)
Github contributions (5)
jmara/yoursway-create-dmg
Mar 2015 - Sep 2019
Contributions:2 PRs, 11 pushes, 3 branches in 4 years 7 months
a-shellbashshell-scriptshellfancy
jmara/installer
Aug 2011 - Oct 2011
Contributions:7 commits in 2 months
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