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Online Resume

Antoine Dubois

DevOps Engineer 路 Cloud Infrastructure 路 Kubernetes

Production-focused DevOps engineer based in Reunion Island, with 10 years of experience across cloud platforms, Kubernetes operations, infrastructure as code and developer enablement.

I build and operate reliable platforms, automate delivery pipelines, and turn infrastructure complexity into repeatable systems that help engineering teams move faster.

Based in Reunion Island, available for remote and international engineering roles.

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  • Location 974 脦le de la R茅union
  • Email pro.adubois@gmail.com
  • Phone +33 6 86 45 39 09

Core Stack

Production infrastructure, delivery pipelines and operational rigor.

Cloud & Infrastructure

Azure AWS GCP Terraform Ansible Packer Cloudflare HashiCorp Vault EKS S3 IAM OIDC / IRSA

Containers & Platforms

Kubernetes Docker Helm Nginx HAProxy

Observability & Operations

Prometheus Alertmanager Grafana Loki Incident management Production support

Delivery & Scripting

CircleCI GitHub Actions GitLab CI Azure DevOps Spinnaker GitOps workflows Bash Python

Data & Systems

Linux systems MySQL PostgreSQL Web hosting ModSecurity OWASP CRS

Selected Work

Recent technical work that adds depth beyond the base resume.

Terraform 路 AWS ECR 路 Cost & retention governance

Infrastructure Under Control Again

Re-imported an existing ECR repository into Terraform and added a lifecycle policy to formalize retention behavior and reduce manual drift.

EKS 路 S3 路 IAM 路 OIDC / IRSA 路 Fluent Bit

Secure Kubernetes Logging on AWS

Implemented Kubernetes log export to S3 with bucket encryption, public access blocking, retention rules and IAM integration through IRSA for a cleaner security model.

Kubernetes 路 ingress-nginx 路 ModSecurity 路 OWASP CRS

Ingress Hardening and Progressive WAF Rollout

Hardened the HTTP entrypoint with WAF logging, security headers, progressive environment rollout and rule tuning to limit false positives.

GitLab CI 路 Terraform 路 Multi-environment delivery

More Reliable Infrastructure Delivery

Built and stabilized infrastructure pipelines, then improved multi-environment tagging and deployment rules to reduce merge-time delivery mistakes.

Experience

Built in production, improved in operations, measured by outcomes.

November 2024 - Present

Freelance 路 Remote

DevOps Engineer

Production Site Reliability Engineer for a major retail e-commerce client.

  • Ensure day-to-day reliability and operational continuity for a large-scale e-commerce platform.
  • Operate and maintain Kubernetes clusters running production workloads.
  • Manage production deployments and release operations.
  • Monitor platform health, performance and availability.
  • Handle incident response, troubleshooting and operational follow-up.
  • Strengthen platform security and harden infrastructure and delivery workflows.

October 2022 - November 2024

JobTeaser 路 Paris

DevOps Engineer

Main DevOps contact for developer support within the Developer Experience squad.

  • Built and implemented a ChatOps system using Slack APIs, Python and Flask.
  • Improved developer velocity by reducing monolithic application CI/CD time by 25 percent.
  • Reduced AWS costs by 7 percent by redeploying databases with lower storage sizing in a short time frame.
  • Supported infrastructure initiatives, incident management and documentation.
  • Maintained monitoring, registry, Cloudflare setup, AWS infrastructure and Kubernetes clusters.
  • Released shared CircleCI orbs for Docker and Helm jobs and developed automation scripts for developers.

June 2020 - October 2022

Castelis 路 Ivry-sur-Seine

DevOps Engineer

Technical leader for Linux-based systems clients within the Global Cloud Operations team.

  • Created a full Azure WebApp infrastructure with Terraform.
  • Migrated a legacy web hosting system to Kubernetes using Docker, Azure DevOps and Terraform.
  • Provided global support for large production environments and Kubernetes clusters.
  • Built automation scripts to improve developer velocity and operational consistency.
  • Tutored an apprentice and led multiple engineers overseas.
  • Handled incidents and maintained documentation.

September 2019 - June 2020

Castelis 路 Ivry-sur-Seine

Linux System Engineer

Main technical contact for web hosting issues across more than 60 websites for a CAC 40 company.

  • Deployed new websites and CI/CD pipelines with Docker, GitLab CI, Azure DevOps, Ansible and Terraform.
  • Provided global support for existing websites and hosting platforms.
  • Worked across Docker, Kubernetes, Nginx and HAProxy environments.
  • Managed incidents and technical documentation.

September 2017 - September 2019

Castelis 路 Ivry-sur-Seine

System and Network Administrator

Apprenticeship focused on engineering web hosting infrastructures.

  • Supported infrastructure engineering for web hosting environments.
  • Built practical expertise in systems administration, networking and production operations.

November 2014 - August 2017

PMU 路 Ris-Orangis

System and Network Administrator

Apprenticeship within the Network and Security team.

  • Administered systems and networks in an enterprise environment.
  • Built early foundations in network security, systems reliability and operational support.

Distinctions

Certifications and language fluency.

Cert

TOEIC - 960 / 990

Cert

EF SET - 73 / 100 - C2 Proficient

Cert

CCNA - Routing & Switching

Cert

Azure AZ-900

French Native
English Fluent

Education

Academic foundation in systems, networking and IT management.

2017 - 2019

Master

HiTeMa 路 Issy-les-Moulineaux

Expert en Etudes et Developpement du Systeme d Information, IT & Management

2016 - 2017

Licence Professionnelle

Universite Paris-Sud 路 Gif-sur-Yvette

Securite des reseaux et systemes informatiques, securite et surete de l information

2014 - 2016

BTS

CFA Utec Avon 路 Avon

Services Informatiques aux Organisations - Administrateur Systemes et Reseaux