Nicolas Busseneau
Open Source DevSecOps Engineer Site Reliability Engineer at Isovalent
Rennes, Brittany, France
Summary
🤩
Rockstar🎓
Top SchoolNicolas Busseneau is an Open Source DevSecOps and Site Reliability Engineer with 13 years of experience, currently contributing to and maintaining Cilium—an industry-leading eBPF-based Kubernetes CNI—at Isovalent. He focuses on reliability, automation, and security of CI/CD pipelines across GCP, Azure, and AWS, and has a proven track record of fixing flaky tests and refactoring complex build and deployment workflows. Comfortable both in code (Go, Python, Bash) and systems (Kubernetes, Helm, Terraform), he bridges development and operations while driving community-first open-source collaboration. Nicolas also brings hands-on full-stack experience—from improving .NET map rendering in Mapsui to leading DevOps for large international teams—and regularly speaks at tech events. Fluent in English and based in Rennes, France, he pairs academic training across European universities with practical teaching and mentoring experience as an adjunct professor.
13 years of coding experience
7 years of employment as a software developer
Diplôme d’Ingénieur (French Engineer's Degree + European Master's Degree), Software Engineering • Computer Science • Computer Systems & Networks, Diplôme d’Ingénieur (French Engineer's Degree + European Master's Degree), Software Engineering • Computer Science • Computer Systems & Networks at INSA RennesEuropean Bachelor's Degree, Computer Science • Computer Systems & Networks • Mathematics & Statistics, European Bachelor's Degree, Computer Science • Computer Systems & Networks • Mathematics & Statistics at Luleå Tekniska UniversitetBaccalauréat série S section européenne anglais, Mention très bien (highest honors), Baccalauréat série S section européenne anglais, Mention très bien (highest honors) at Lycée Jean MacéEuropean Master's Degree, Software Engineering • Computer Science • Computer Systems & Networks, European Master's Degree, Software Engineering • Computer Science • Computer Systems & Networks at Linköpings Universitet
English, French, Swedish, sindarin, Spanish
Github Skills (21)
kubernetes10
docker10
testing10
skiasharp10
dockers10
cicd10
mappings10
automation10
automation-testing10
kubernetes-pods10
dotnet-core10
jenkins10
maps10
g10
wpf10
Programming languages (22)
Github contributions (5)
cilium/cilium
Nov 2020 - Apr 2026
eBPF-based Networking, Security, and Observability
Role in this project:
DevOps Engineer
DevOps EngineerContributions:1436 reviews, 460 PRs, 441 pushes in 5 years 6 months
Contributions summary:Nicolas primarily contributed to the continuous integration and continuous deployment (CI/CD) pipeline, addressing issues related to testing, build processes, and deployments. Their work included modifying Jenkinsfiles, updating scripts, and refactoring GKE test operations. They also made several changes to the documentation related to CI/CD processes and trigger phrases. Furthermore, the user reverted changes that introduced flakes in the tests.
ebpfnetworkingobservabilitysecuritycontainers
Mapsui/Mapsui
Jul 2017 - Dec 2017
Mapsui is a .NET Map component for: MAUI, Avalonia, Uno Platform, Blazor, WPF, WinUI, Windows Forms, Eto Forms, .NET for Android and .NET for iOS
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:7 commits, 3 PRs, 12 comments in 5 months
Contributions summary:Nicolas primarily focused on enhancing the rendering capabilities of the Mapsui library. They added support for rendering triangle shapes by implementing new features within the Xaml and Skia point renderers. Furthermore, the user fixed a null reference exception issue in the `GetFeaturesInView()` method, contributing to the stability of the map rendering. Additionally, they renamed a sample file to reflect its updated content.
androidavaloniablazordotnetios
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