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Online Resume

Antoine Dubois

DevOps Engineer

Production-focused DevOps engineer 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.

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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.

Exp茅rience

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