Olivier Sallou
Expert SIC at DIRISI : Direction Interarmées des Réseaux d'Infrastructure et des Systèmes d'Information
Rennes, Brittany, France
Summary
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Rockstar🎓
Top SchoolOlivier Sallou is an experienced technology leader with 14 years in software engineering and infrastructure, currently serving as Expert SIC at DIRISI after 16 years leading software development and operations at IRISA. He combines hands-on backend and DevOps skills—contributing to notable open-source projects like Apptainer/Singularity and bootstrap-vz—with program-level oversight informed by a PMP certification. Olivier has architected and run large research infrastructures (OpenStack, Kubernetes, ~1000 cores, 2PB storage), streamlined development pipelines, and delivered bioinformatics tools and cloud proofs-of-concept. His background in telecom R&D and project management (Alcatel-Lucent, EDS) complements deep Linux/container expertise and automation work for image downloads, caching and virtualization providers. Trained as a safety officer and mental health first aider, he brings unusual operational resilience and a people-first approach to high-stakes environments. Based in Rennes, he also maintains long-term commitments to open source and reproducible infrastructure.
14 years of coding experience
25 years of employment as a software developer
Master degree in computer science, IT, Electronics, Master degree in computer science, IT, Electronics at ISEN Institut Supérieur d'Electronique et du NumériquePMP, PMP at Project Management Institute
English, French
Stackoverflow
154reputation
9kreached
6answers
2questions
Github Skills (33)
reproducible-science10
image10
http10
microsoft-azure10
containerization10
automation10
go10
virtualization10
azure10
automations10
system-configuration9
kvm9
caching9
dockers9
linux9
Programming languages (18)
Github contributions (5)
andsens/bootstrap-vz
Aug 2013 - Apr 2014
Bootstrap Debian images for virtualized environments
Role in this project:
DevOps Engineer
DevOps EngineerContributions:19 commits, 6 comments, 1 issue in 8 months
Contributions summary:Olivier's contributions primarily focused on improving the infrastructure and automation aspects of the project. They implemented and refined build processes, specifically including the addition of new providers and dependencies for image creation. Their work encompassed configuring system settings related to virtualization environments like Azure and KVM, showing a strong emphasis on the underlying infrastructure's functionality and compatibility. They also added features such as adding waagent for Azure.
virtualizeddockerdebianbootstrapenvironments
apptainer/singularity
Nov 2018 - Nov 2018
Singularity has been renamed to Apptainer as part of us moving the project to the Linux Foundation. This repo has been persisted as a snapshot right before the changes.
Role in this project:Back-end Developer
Back-end DeveloperContributions:8 commits, 3 comments in 10 days
Contributions summary:Olivier primarily contributed to the implementation of network image download functionality within the Singularity/Apptainer containerization project. Their work involved adding support for HTTP/HTTPS image pulls, creating caching mechanisms, and integrating these features into the command-line interface. They also addressed naming issues and merge conflicts, indicating involvement in ongoing development and integration efforts. The user's contributions directly enhanced the project's ability to fetch container images from various network sources.
renamedapptainersciencerootless-containersdocker
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