Leo Margontier

About Me


DevOps & Infrastructure Engineer with a curious mind and a hands-on approach to building reliable systems. I oversee end-to-end infrastructure across cloud and on-prem environments, with a strong focus on automation, observability, and platform resilience. Driven by continuous improvement, I thrive on solving complex operational challenges and turning them into long-term architectural solutions.




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Educational background

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2015-2019 - ECE Paris (75015)

Ecole Centrale Electronique - The ECE Paris is one of 210 French engineering schools authorized to issue an engineering degree .

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Keimyung

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2011-2014 - Lycée de Charles de Foucauld

Scientific high school diploma, majoring in mathematics.

Professional experiences

DevOps & Infrastructure Engineer
Wundermart
Sep 2023 – Present · 2 yrs 7 mos
Amsterdam, North Holland, Netherlands
Sole DevOps engineer overseeing the entire infrastructure across GCP, Azure, and on-prem — with reliability as the primary objective.

Key responsibilities:
· CI/CD pipelines, networking, VPN (WireGuard/IKEv2), Linux environments, IAM, observability stacks, and workflow automation
· PXE boot and OS-flashing pipelines for 300+ POS devices across retail operations
· Crisis management, high-impact incident resolution, root-cause analysis, and architectural refactoring
· Legacy system modernization and platform resilience through automation

Stack: Jenkins, Git, Helm, Terraform, Nagios, Elasticsearch, n8n, Airflow
Cloud Engineer
Devoteam G Cloud
Feb 2023 – Jun 2023 · 5 months
· Deployed GCP infrastructure using Terraform
· Completed Kubernetes, VM migration, and GCP infrastructure training through Devoteam University and Google
Test & Commissioning Engineer
Alstom
Jul 2022 – Feb 2023 · 8 months
Amsterdam, North Holland, Netherlands
· Testing BRN and IXL systems on the GVB railway network
· Alstom is a global leader in railway transportation (trains, trams, metros)
IT & Embedded Systems Project Manager / CDO
Pyylahti Oy
Nov 2020 – Nov 2022 · 2 years
Oulu, Finland
· Led 2 R&D IT teams (6 engineers) based in India
· Built a cryptocurrency-based marketplace with Java data exchange
· Prototyped RTK location device for electronic blasting systems in northern Finland
Electronic Engineer Intern
Nanoé – Madagascar
Mar 2019 – Sep 2019 · 6 months
Ambanja, Madagascar
· Developed a rural electrification model using MPPT and buck/boost bidirectional converters
· PIC programming in C/ASM (MPLABX) and PCB design with Eagle

Hobbies

Electronical music composition

-Additive synthesis / FM mastery, as well as control of multiple sequencers
-20 hour formation for CAM (Computer Assisted Music)
-Knowledge of specialized applications : Audacity, FL Studio, Ableton Live, Logic Pro

Sports

Swimming : competitions (2008-2011)
Dancing : Hip Hop
Diving : obtained the PADI Open Water Diver in 2013
Judo
Participated in diabolo competitions and apt devil sticks enthusiast

Photography/Video

Experience of director and photographer