Gildas Le Nadan
Principal Systems Engineer at Atlassian
Sunshine Coast Regional, Queensland, Australia
Summary
👤
Senior🎓
Top SchoolGildas Le Nadan is a Principal Systems Engineer with 15 years of experience designing and operating large-scale, highly available cloud infrastructures across multi-cloud and regulated environments. Currently at Atlassian he is the infrastructure backup/restore SME for disaster recovery, managing solutions that handle nearly 100 billion objects and ~100 PB of data while balancing stringent cost and performance constraints. He blends systems engineering, DevOps and program management—mentoring teams in Lean/Kanban and building CI/CD, automation, and configuration-as-code practices. His background includes leading greenfield AWS builds for regulated workloads, delivering CI/CD for massive data lakes, and hands-on contributions to open-source tooling such as the Jenkins S3 plugin to support IAM instance roles. Colleagues describe him as a pragmatic architect who moves seamlessly between strategic design and low-level implementation details. Trained originally in biology, he brings a methodical, analytical mindset to complex infrastructure problems.
15 years of coding experience
17 years of employment as a software developer
undergraduate (DEUG), Biology, Biochemistry, Microbiology, Geology, undergraduate (DEUG), Biology, Biochemistry, Microbiology, Geology at Université de Bretagne OccidentaleMaster (Maitrise), Population Biology and Applied IT, Master (Maitrise), Population Biology and Applied IT at Paris-Sud University (Paris XI)Lycee Amiral Ronarc'hpostgraduate degree (DESS), Information Technologies Engineering, postgraduate degree (DESS), Information Technologies Engineering at Pierre and Marie Curie University
English, French
Github Skills (13)
aws-s310
javas10
aws10
amazon-s310
ias10
java10
jenkins-plugin10
s3-bucket10
build-automation9
authorization9
auth9
authentication9
file-handling8
Programming languages (13)
Github contributions (5)
jenkinsci/s3-plugin
May 2014 - May 2014
Upload Jenkins build artifacts to Amazon S3
Role in this project:
Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:7 commits in 1 day
Contributions summary:Gildas primarily contributed to the S3 plugin's backend logic and integration with Amazon S3. They implemented and modified classes related to uploading and downloading artifacts. The commits involved changes to S3Profile and associated callable classes, adding functionality to support IAM instance roles for authentication. Furthermore, the user worked on resolving merge conflicts and ensuring compatibility with the broader project.
jenkinsjenkins-pluginamazonamazon-s3artifacts
endemics/docker-apigeelint
Nov 2018 - Apr 2023
Contributions:1 push, 1 branch in 4 years 5 months
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