Sylvain Doignon
DevOps Lead at American Express Global Business Travel
London, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolSylvain Doignon is a DevOps Lead with 11 years' experience building secure, scalable infrastructure for payments and enterprise systems, currently leading DevSecOps at American Express Global Business Travel. He combines deep cloud and PCI-DSS expertise with hands-on engineering, having progressed from DevOps engineer roles at Société Générale to technical leadership in Paris and London. A longtime technology enthusiast and mentor, he coaches teams to design resilient systems and learn from failures. His background in computer science engineering (UTC) and practical operations work gives him both academic grounding and production-hardened judgment. Notably, he focuses on making security an enabler—not a blocker—while maintaining developer velocity.
11 years of coding experience
8 years of employment as a software developer
Technical degree Computer Science and Multimedia, Technical degree Computer Science and Multimedia at MMI BordeauxEngineer’s Degree Computer Science, Engineer’s Degree Computer Science at Université de Technologie de Compiègne (UTC)
French, English, Spanish
Github Skills (200)
devtools10
smtp10
sinatra10
server10
rubygems9
ldapjs9
golang9
camera9
ruby9
two-way-databinding9
toggle9
rails9
shamir-secret-sharing8
youtube8
launcher8
Programming languages (14)
Github contributions (5)
sd65/MiniVim
Mar 2016 - Mar 2019
Contributions:10 releases, 48 commits, 7 PRs in 3 years
vim-pluginneovimvim
sd65/toggleZoom
Nov 2015 - Nov 2020
Toggle zoom / scale screen with xrandr in Gnome 3 topbar.
Contributions:2 PRs, 4 pushes, 1 branch in 5 years 1 month
togglegnome-shell-extensionxrandrgnomescale
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