Léo Cavaillé
Senior Director, SRE & Security at Datadog
Paris, Ile-de-France
Summary
🤩
Rockstar🎓
Top SchoolLéo Cavaillé is a Senior Director of SRE & Security based in Paris with 12 years building resilient, multi-region cloud infrastructure and observability platforms at Datadog. He progressed from founding APM engineer to leading SRE orgs, launching Europe’s first Datadog region, institutionalizing incident review practices, and creating the On-call Incident Commander role. Hands-on background in agent/integration development and DevOps (notably contributing Redis tracing to Datadog’s Python APM and improving Puppet-driven agent deployments) keeps his leadership grounded in code and operational reality. He champions chaos engineering, cross-team incident learning, and scalable tooling for multi-site, multi-cloud environments. Comfortable moving between technical deep dives and executive strategy, he pairs rigorous engineering discipline from CentraleSupélec with practical experience running global observability services.
12 years of coding experience
10 years of employment as a software developer
Math computer sciences applied physics business sciences project management, Math computer sciences applied physics business sciences project management at CentraleSupélecCPGE Mathématiques Physique Informatique, CPGE Mathématiques Physique Informatique at Lycée Sainte Geneviève
English, Spanish, French
Stackoverflow
465reputation
14kreached
8answers
0questions
Github Skills (23)
puppeteer10
tracer10
python10
redis10
puppet10
configuration-management10
apm10
trace10
devops10
debug9
debugging9
error-log9
yaml9
cicd7
pip6
Programming languages (11)
Github contributions (5)
DataDog/puppet-datadog-agent
Jul 2014 - Mar 2016
Puppet module to install the Datadog agent
Role in this project:
DevOps Engineer
DevOps EngineerContributions:1 release, 88 commits, 37 PRs in 1 year 9 months
Contributions summary:Léo primarily focused on modifying the Datadog agent's configuration and deployment mechanisms using Puppet manifests and templates. Their contributions include enabling features like non-local traffic and setting up the agent as a proxy. Furthermore, the user made changes to the integration configuration files for technologies like Elasticsearch, Jenkins, MySQL, and others by modifying the configuration files to utilize Puppet templates. These changes enhanced the agent's functionality and configurability, improving the integration capabilities for various services.
datadog-agentagentpuppetpuppet-modulepmm
DataDog/dd-trace-py
Jun 2016 - Mar 2017
Datadog Python APM Client
Role in this project:Back-end Developer
Back-end DeveloperContributions:20 commits, 5 PRs, 7 pushes in 8 months
Contributions summary:Léo contributed significantly to the integration of Redis tracing within the Datadog Python APM client. Their work includes implementing tracing for Redis commands and pipelines, adding meta information, and incorporating sampler support. The user also fixed compatibility issues and ensured the proper handling of Unicode characters within the tracing resources. These changes enhance the observability of Redis operations within applications using the Datadog tracing system.
profilingpythonapm-clientapmsecurity
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