Jonathan A
Senior Site Reliability Engineer at Criteo
Chambéry, Auvergne-Rhône-Alpes, France
Summary
👤
Senior🎓
Top SchoolJonathan A is a Senior Site Reliability Engineer with 13 years of experience designing and operating highly available infrastructure across bare-metal and cloud environments. A free-software advocate based in Chambéry, he combines deep GNU/Linux and networking expertise with hands-on automation using Kubernetes, Docker, Terraform and configuration tools like Puppet and Chef. His background spans major tech firms and consultancy, from system/network roles at Adobe and Fotolia to leading infrastructure at Dawex and SRE work at Criteo. He contributes to open-source tooling—improving Ohai’s Linux filesystem plugin and adding a Scaleway provider—demonstrating practical system introspection and test-driven enhancements. Known for pragmatic problem-solving, he bridges low-level sysadmin skills (Postfix, Bind, HAProxy, Pacemaker) with modern CI/CD and cloud-native practices.
13 years of coding experience
8 years of employment as a software developer
Licence, Mathématiques et Informatiques Appliquées à la Gestion, Licence, Mathématiques et Informatiques Appliquées à la Gestion at Université Claude Bernard Lyon 1DUT, Informatique, DUT, Informatique at Université Savoie Mont Blanc
Github Skills (11)
configuration-management10
linux10
configurations10
devops10
configuration-file10
oai10
ruby10
testing9
cloud-infrastructure7
docker4
dockers4
Programming languages (12)
Github contributions (5)
chef/ohai
Jun 2015 - Jan 2018
Ohai profiles your system and emits JSON
Role in this project:
DevOps Engineer
DevOps EngineerContributions:5 commits, 2 PRs, 2 comments in 2 years 8 months
Contributions summary:Jonathan primarily contributed to improving the Ohai project's system information gathering capabilities, specifically focusing on the Linux filesystem plugin. Their work involved modifying how the plugin interacts with `lsblk` to collect filesystem data and address existing issues related to parsing the output. They also added a new plugin for the Scaleway cloud provider, demonstrating an understanding of system introspection and configuration management principles. These contributions include refactoring of existing tests and adding new tests.
configurationconfiguration-managementohaiemitsruby
josqu4red/ilorb
Jun 2013 - May 2016
Contributions:41 commits, 1 PR, 5 pushes in 2 years 11 months
rubyilo
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