Freelancer profile translated to English.

Back to original language

Description

Looking for a DevOps Engineer?

Do you want to:

Migrate to the Cloud (GCP/Azure/AWS)

Industrialize your CI/CD

Secure your Kubernetes platforms?

You've come to the right place!

I am a DevOps Engineer & Cloud Architect with over 6 years of experience.

Specializing in Kubernetes and Terraform, I support companies in designing, automating, and securing their Cloud infrastructures.

I hold the following certifications:

DevOps - Introduction to Key Principles and Foundations

Terraform - Automate Your Infrastructure on AWS

SAFe for Teams Course (5.1)

Docker - Implementation

I work in demanding environments such as telecommunications, large-scale retail, and transportation.

I have collaborated with companies like Bouygues Telecom, SNCF, and Super U.

I can assist you with:

– Designing, deploying, and maintaining secure and performant Cloud architectures.

– Defining scalable and highly available architectures.

– Leading Cloud migrations and on-premise decommissioning.

– Industrializing infrastructure through Terraform and automation.

– Securing environments (IAM, audit, network).

– Optimizing costs with a FinOps approach.

– Implementing monitoring, dashboards, and reporting.

– Deploying and administering Kubernetes clusters.

– Ensuring availability, performance, and resilience.

– Writing technical and architectural documentation.

– Providing Level 2/3 support and incident management.

– Assisting your teams in adopting DevOps practices.

I place great importance on transparency.

Daily reporting is provided on actions taken and Agile activities.

Languages

French
Native or bilingual
English
Native or bilingual

Workplace preferences

Can work on-site

Paris (up to 50km), Angers (up to 50km), Rennes (up to 50km), Nantes (up to 50km), Brest (up to 50km)

Covea
DevOps Engineer
BANKING AND INSURANCE
May 2026 - Today (3 months)
Le Mans, France
Covéa is an insurance group bringing together MAAF, MMA, and GMF, with strong challenges in availability, security, and industrialization.

I work within a PaaS and Forge platform team of 12 people, supporting application teams.

My mission consists of designing, evolving, and maintaining OpenShift and Kubernetes foundations, while industrializing deployments and ensuring production support.

The environment is primarily based on OpenShift v3/v4, Tekton, ArgoCD, Jenkins, Helm, Kustomize, and Vault.

The team is structured around an agile and product-oriented approach and consists of:
• 1 Manager
• 1 Product Owner
• 1 Dispatcher
• Architects
• DevOps Engineers
• Developers

The team develops and maintains a DevOps portal that allows for the creation, configuration, and deployment of Kubernetes applications from internal foundations: PaaS, Forge, Vault, PASS, and shared Helm Charts.

The platform team works cross-functionally with developers, environment managers, middleware teams, production, and support.

As a DevOps Architect specializing in OpenShift, my responsibilities include:
• Architecture and evolution of OpenShift v3/v4 platforms
• Design and maintenance of Tekton and Jenkins pipelines
• Industrialization of deployments with ArgoCD and GitOps
• Evolution of the DevOps portal and Kubernetes templating tools
• Maintenance of Helm Charts and technical foundations
• Secret management with Vault and External Secrets
• Integration of solutions into the PaaS ecosystem
• Level 3 support and participation in crisis management teams
• Troubleshooting OpenShift, Kubernetes, network, and certificates
• Studies, POCs, support, and technical documentation

Technologies: OpenShift v3/v4 · Kubernetes · Tekton · ArgoCD · Jenkins · GitOps · Helm · Kustomize · Vault · External Secrets · Gatekeeper · Git · Bash · Linux · Prometheus · Grafana · ELK · Dynatrace
Kubernetes OpenShift Argo CD Jenkins Helm
DECATHLON
DevOps Engineer
SPORTS
February 2025 - May 2026 (1 year and 3 months)
Lille, France
Decathlon is a major international player in sports and retail, with a tech culture oriented towards products and agility.

I work within a DevOps team of 16 people supporting feature teams.

My mission involves designing, operating, and evolving multi-cloud Kubernetes platforms in an international context, with strong challenges in scalability, resilience, and standardization.

The environment is primarily based on GCP (GKE) in Europe, as well as AWS (EKS) and Azure (AKS) in Asia.

The team is structured around an agile and product-oriented approach and consists of:
• 1 Scrum Master
• 1 Product Owner
• 1 Tech Lead

Ops / DevOps engineers specialized by domain:
• 2 Database Engineers
• 2 Vault / Secret Management Engineers
• 2 Terraform / Infrastructure as Code Engineers
• 2 Kubernetes Engineers (including myself)

The DevOps team acts as a platform team and works cross-functionally with several development teams.

As a Kubernetes-specialized DevOps engineer, my responsibilities include:
• Operation and evolution of clusters on GKE (Europe), EKS, and AKS (Asia)
• Participation in sizing (capacity, performance, costs)
• Support for application deployment
• GitOps practices (Flux, Kustomize, Helm)
• Observability via Datadog and Grafana
• Secret management with Vault and External Secrets
• Contribution to cluster migrations and rationalization
• POCs around high availability and multi-cluster architectures
• Platform support and troubleshooting
• Technical documentation and knowledge sharing

Technologies: Flux · DevOps · Ansible · GitOps · argocd · Cloud Migration · GCP · Bash · GitHub · Terraform · Cloud Infrastructure Management · Jenkins · Containerization · Agile Environment · System Integration · Helm · CI/CD · Google Cloud Platform (GCP) · Kubernetes · Linux
Terraform Kubernetes Git Google Cloud Helm
U IRIS
DevOps Engineer
RETAIL (LARGE RETAILERS)
February 2023 - February 2025 (2 years)
Carquefou, France
U‑Tech is the IT department of the Système U cooperative group, comprising approximately 600 employees. It drives the digital infrastructure transformation of the business IT systems.
The Kubris team specializes in industrializing Kubernetes clusters and implementing a secure, scalable, and standardized GKE foundation for project teams.

I participated in the design, automation, and security of GKE clusters, while also supporting application teams in adopting GitOps foundations.

The team consisted of:
- 1 Product Owner
- 1 Scrum Master
- 1 Tech Lead
- 2 DevSecOps
- 7 Cloud Ops

As a Cloud Architect, my responsibilities included:
- Design of secure, standardized, and scalable GKE architectures
- Participation in building the GCP landing zone (IAM, networks, project envelopes, quotas)
- Definition of common Terraform modules (GKE, network, DNS, firewall, IAM)
- Mentoring project teams in creating their environments using Terraform modules
- Reviewing application Pull Requests (PR captain): validation of security, naming, budget, performance
- GitOps integration of applications via ArgoCD, Helm, Kustomize
- Automated deployment via GitLab CI, Jenkins, AWX
- Implementation of DevSecOps practices (Sealed Secrets, External Secrets, PSP/PSA)
- Structuring FinOps practices: quota control, cost management, GCP alerting
- Architectural documentation, monitoring (Prometheus, Grafana), runbooks, and best practices
- Implementation of a native Kubernetes service mesh-like solution

Website:
Technologies: awx · Argo · DevOps · rancher · Ansible · GitOps · argocd · Cloud Migration · GCP · Bash · GitHub · Terraform · Cloud Infrastructure Management · Jenkins · Containerization · Agile Environment · System Integration · Helm · CI/CD · Google Cloud Platform (GCP) · Kubernetes · Linux
Kubernetes Ansible Terraform DevOps Google Cloud Platform (GCP)

Check out Charles-Henri's experience

Lilian Alvarez and 2 other people have recommended Charles-Henri

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

Baptiste Duhen

Fullstack developer

4.6

(4)

Amed Hamou

Senior Lead Developer

(2)

Audrey Champion

Web developer

4.3

(3)

Signup to reveal

Level II Title – Bachelor's Degree in Systems and Network Administration
ENI School of Computing
2019
- Administrer les systèmes serveurs dans le contexte d’une entreprise - Administrer et sécuriser les réseaux informatiques du système d’information de l’entreprise - Concevoir et structurer un système d’information sécurisé - Analyser, définir et programmer les projets d’évolution du système d’information
Level III Title - Associate's Degree in Systems and Network Technician
ENI School of Computing
2018
-Assister les utilisateurs dans leurs activités quotidiennes, dans la mise en place de leurs équipements numériques, -Utiliser un outil de gestion de parc et de ticketing, -Réaliser des interventions sur le matériel des utilisateurs, installation ou dépannage, -Installer, configurer et surveiller les serveurs et les services réseau en respectant la sécurité, -Implémenter les notions de travail collaboratif dans l’entreprise, -Connaître les particularités d’une infrastructure centralisée, -Intervenir sur des serveurs spécialisés de type Web, Messagerie, Base de données et terminaux légers, -Connaître et utiliser les technologies du cloud.

SAFe for Teams
Scaled Agile, Inc.
2021
Agile Methodology Agile SAFe
Docker - Implementation/XW330
ib – Cegos Group
2020
Git Docker Ansible CI/CD docker-compose Gitlab CI/CD yaml

Charles-Henri's certifications are only visible to Malt Community members

Charles-Henri Chesne

DevOps | Cloud Architect | Kubernetes | GCP

About Charles-Henri

Experience

Recommendations

These freelancer profiles also match your criteria

Education

Certifications

Skill set

Categories