Tristan Le Guern
Chief Technology Officer at Gwern
Brest, Brittany, France
Summary
🤩
Rockstar🎓
Top SchoolTristan Le Guern is a UNIX-focused CTO and hands-on DevOps/SRE with 13 years of experience building and operating large-scale Linux and OpenBSD environments from Brittany. He leads Wide Int’s technical strategy while freelancing on reliability and automation, bringing deep operational experience gained managing thousands of servers, VMs and containers at Orange and in consulting. A pragmatic engineer who still codes, Tristan contributes to upstream projects like Ansible’s community.general (improving proxmox_kvm idempotency and API token support) and the libstrophe C library, demonstrating attention to portability and correctness. Equally comfortable writing shell and Python tooling or refactoring C for robustness, he blends system administration rigor with maintainable engineering practices. Notably, he runs his own OpenBSD/Linux setups at home, reflecting a continuous tinkerer’s approach to production-grade systems.
13 years of coding experience
5 years of employment as a software developer
Epitech
English, French
Github Skills (18)
xmpp10
idempotent10
lib10
python10
code-library10
c1110
c1710
api10
ansible10
ansible-galaxy10
api-design9
memory-management9
devops9
xml8
cloud-infrastructure8
Programming languages (15)
Github contributions (5)
ansible-collections/community.general
Sep 2020 - Feb 2021
Ansible Community General Collection
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:70 reviews, 13 commits, 17 PRs in 5 months
Contributions summary:Tristan primarily focused on improving the `proxmox_kvm` Ansible module within the `community.general` collection. Their contributions included fixing idempotency issues, allowing the use of the `force` parameter with `state=absent`, and implementing a new `wait_for_task` function to improve code reuse and reliability. The user also refactored code to remove redundant parameters and API calls, thereby enhancing the module's maintainability. Additionally, the user added support for API tokens, which adds an alternative authentication method.
ansibleansible-roleansible-collection
strophe/libstrophe
Jul 2015 - Oct 2015
A simple, lightweight C library for writing XMPP clients
Role in this project:Back-end Developer
Back-end DeveloperContributions:18 commits, 7 PRs, 11 comments in 2 months
Contributions summary:Tristan primarily focused on improving the libstrophe C library, specifically addressing parameter declarations and type correctness to improve code quality and portability. Their contributions included refactoring code to avoid array parameters, fixing a type in a specific file, and fixing an issue with character encoding. The user implemented new functions for to/from attributes. The user also improved the code by adding missing prototypes and making helper functions static.
xmppc-libraryomemoclients
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