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Online Resume

Antoine Dubois

Senior DevOps 路 Platform Engineering 路 SRE

Senior DevOps and Platform Engineer with 11 years in infrastructure and operations, including 6+ years building and running cloud-native production platforms.

Strongest in Terraform, Kubernetes, CI/CD, Linux, observability and incident response, with hands-on delivery across AWS, GCP and Azure.

Based in Reunion Island, available for fully remote B2B contracts aligned with European and UK business hours.

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  • Location R茅union, France
  • 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 Fluent Bit 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

Selected Freelance Work

Recent engagements across AWS, GCP and Azure.

Terraform 路 EKS 路 RDS PostgreSQL 路 Helm 路 GitLab CI

AWS platform modernization

Provisioned three AWS environments, consolidated duplicated infrastructure into shared modules, and standardized delivery across five services.

GCP 路 Cloud SQL 路 Nginx/PHP-FPM 路 Locust

GCP reliability and performance

Diagnosed production incidents and performance bottlenecks using load tests, platform metrics, slow logs and Query Insights.

Azure 路 Terraform 路 Azure DevOps 路 Cloudflare

Azure web-platform architecture

Designed a regional architecture and catalog-driven Terraform model for more than 150 websites across Europe, the Americas and Asia.

Docker 路 Kubernetes 路 OIDC 路 Observability

Secure production delivery

Implemented safer deployments, automated TLS and ingress, centralized Kubernetes logs, and addressed container and runtime vulnerabilities.

Experience

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

November 2024 - Present

Freelance 路 Remote

DevOps Engineer / Cloud Platform Architect

Production reliability, cloud platform modernization and multi-cloud architecture for retail, SaaS and enterprise clients.

  • Ensure production reliability through Kubernetes operations, deployments, monitoring, incident response and release management.
  • Provisioned AWS environments with Terraform, EKS, RDS PostgreSQL, S3 and IAM, and standardized Docker, Helm and GitLab CI delivery.
  • Diagnosed GCP production incidents across managed instance groups, load balancing, Nginx/PHP-FPM, shared NFS and Cloud SQL.
  • Designed a regional Azure architecture and catalog-driven Terraform modules for more than 150 websites.
  • Strengthen platform security, observability, operational practices and documentation.

October 2022 - November 2024

JobTeaser 路 Paris

DevOps Engineer

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

  • Developed a Slack-based ChatOps platform using Python and Flask.
  • Reduced CI/CD duration for a monolithic application by 25% using CircleCI, Docker and Helm.
  • Reduced AWS costs by 7% by automating database storage optimization with Terraform and SQL.
  • Maintained Kubernetes, registries, monitoring, Cloudflare and shared CI/CD components while supporting developers and incident response.

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.

Languages

English scores and language fluency.

Score

TOEIC - 960 / 990

Score

EF SET - 73 / 100 - C2 Proficient

French Native
English Fluent

Education

Academic foundation in systems, networking and IT management.

2017 - 2019

Master's degree

HiTeMa 路 Issy-les-Moulineaux

Information Systems Engineering, Software Development, IT and Management.

2016 - 2017

Professional Bachelor's degree

Universite Paris-Sud 路 Gif-sur-Yvette

Network and Information Systems Security.

2014 - 2016

BTS

CFA Utec Avon 路 Avon

IT Services for Organizations - Systems and Network Administration.