Laurent Vallar
Senior Engineering Manager - Platform - VM & Containers
Épinal, Grand Est, France
Summary
👤
Senior🎓
Top SchoolLaurent Vallar is a Senior Engineering Manager with 13 years of experience leading platform teams for VMs and containerised workloads at Scaleway, focusing on hypervisors, orchestration, and multi-AZ high availability. He combines hands-on expertise with Libvirt, Kubernetes, Ceph, Ansible and Python with a pragmatic emphasis on legacy migration, chaos engineering and agile delivery. A systems engineer by training (DESS in network and system engineering), he drives improvements across orchestration lifecycle, QA automation and operational tooling like Netbox and Foreman. Laurent is also an active contributor to open-source ops tooling—his work on apt handling in the babushka project and refactors in the widely used Mongoid codebase show a practical attention to reproducible packaging and cleaner backend code. Based in Épinal and working remotely, he blends deep infrastructure knowledge with a coach-like management style to shepherd complex platform transitions.
13 years of coding experience
DESS (Master2), network and system engineering, DESS (Master2), network and system engineering at Université Henri Poincaré, Nancy 1High school Diploma, Mathematical and Physical Sciences (C), High school Diploma, Mathematical and Physical Sciences (C) at Lycée Frédéric Chopin
French, English
Github Skills (10)
apt10
system-administration10
rails10
refactoring10
orm10
mongodb10
ruby-on-rails10
debian10
mongodb-database10
ruby10
Programming languages (9)
Github contributions (5)
benhoskings/babushka
Oct 2013 - Feb 2014
Test-driven sysadmin.
Role in this project:
DevOps Engineer
DevOps EngineerContributions:6 commits in 4 months
Contributions summary:Laurent primarily focused on configuring and maintaining the system definition related to the package management specifically apt. The user's commits address various aspects of package source configuration. The user implemented support for different Debian versions and corrected the handling of domain names in apt sources. They also updated the apt source configuration to use a geoip mirror as the default.
sysadminguicetest-driventdd
mongodb/mongoid
Feb 2017 - Feb 2017
The Official Ruby Object Mapper for MongoDB
Role in this project:Back-end Developer
Back-end DeveloperContributions:5 commits, 1 PR, 2 comments in 1 day
Contributions summary:Laurent focused on refactoring and optimizing the `mongoid` codebase, specifically within the `lib/mongoid/relations/eager.rb` file. Their contributions involved removing redundant code, improving code clarity by removing unnecessary variables, and utilizing more concise Ruby constructs like `Symbol#to_proc`. These changes aimed to enhance the efficiency and readability of the eager loading implementation within the Mongoid framework.
ruby-on-railsruby-object-mapperrailsmongoidobject-mapper
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