Freelancer profile translated to English.
Back to original languageAbout Mathieu
Looking for a DevOps engineer to join your team?
Do you want to:
- Facilitate cooperation between your teams?
- Reduce your infrastructure and cloud costs?
You've come to the right place!
I am a DevOps engineer with over 8 years of experience.
I specialize in Kubernetes, AWS, and Terraform.
I have worked in various sectors such as healthcare, energy, insurance, aerospace...
I have collaborated with companies such as Airbus Defence & Space, Groupe SEB, EDF, Koesio...
I am the 100th Kubestronaut registered in France.
I hold the following certifications:
- AWS Certified Solutions Architect - Associate
- CKS: Certified Kubernetes Security Specialist
- CKAD: Certified Kubernetes Application Developer
- CKA: Certified Kubernetes Administrator
- KCNA: Kubernetes and Cloud Native Associate
- KCSA: Kubernetes and Cloud Native Security Associate
As a DevOps engineer, I can assist you with:
- Deployment and administration of your Kubernetes clusters
- Optimization and security of your Kubernetes clusters
- Architecture and administration of your cloud(s)
- Design and implementation of IaC solutions with Terraform
- Automation of your operations with Python and Golang
- Optimization and security of your container images
- Supporting your teams in adopting DevOps methodologies
- Automation of integration and deployment pipelines
- Performing security audits of your cloud architectures
- Evolution, security, and maintenance of your CI/CD chain
- Migration to cloud environments
- Monitoring of your applications and infrastructures.
I place great importance on making my clients autonomous with my solutions.
I provide clear and detailed documentation for all my work.
Do you have a project?
Contact me!
French
Native or bilingual
English
Fluent
Can work on-site
Toulouse (up to 50km), Lyon (up to 50km), Paris (up to 50km), Bordeaux (up to 50km), Marseille (up to 50km)
Experience
- AIRBUS Defence & SpaceDevOps EngineerAVIATION AND AEROSPACEApril 2025 - Today (1 year and 2 months)Toulouse, FranceIntegrated into the team responsible for developing a conversational AI application, my main mission is to optimize, secure, and make reliable the cloud and Kubernetes infrastructures, while strengthening DevOps and GitOps practices to support the application's scalability and compliance in a sensitive environment.My responsibilities:
- Ensure application availability and performance in production.
- Improve and secure existing cloud and Kubernetes infrastructures.
- Deploy solutions ensuring scalability and resilience.
- Optimize and industrialize CI/CD pipelines to accelerate delivery.
- Design a fast and user-friendly local development environment.
- Define architectures compliant with the security constraints of sensitive environments.
- Advise the team on technological choices adapted to business needs.
- Train and support the team on Kubernetes and GitOps practices.
Results achieved:- Transition from 6,000 to 10,000+ active users without performance loss or stability issues.
- CI/CD optimization: build time reduced by 50-90% (2h -> a few minutes).
- Deployment of a local environment with Tilt: end-to-end tests in < 5 min instead of tens of minutes.
- Strengthened adoption of GitOps with ArgoCD: significantly increased deployment reliability and traceability.
Technical context: AWS (EKS, EC2, S3, SageMaker AI, Lambda, CloudWatch, Secrets Manager), Kubernetes, Helm, ArgoCD, Terraform, Jenkins, Git, GitHub, Grafana, Tilt, Python, Bash, Golang, Linux, Docker, Trivy, Gatekeeper, SonarQube. - KoesioDevOps EngineerSOFTWARE PUBLISHINGJanuary 2025 - February 2025 (1 month)Valence, FranceIntegrated into the DevOps team of the Koesio Assets Management department, my main mission is to migrate and make reliable internal applications on a new Kubernetes infrastructure hosted in Azure (AKS), while strengthening automation, security, and DevOps best practices to support service continuity and software quality.My responsibilities:
- Gradually migrate applications to AKS without service interruption.
- Implement static code analysis with SonarQube.
- Deploy a backup strategy for Kubernetes applications with Kasten.
- Train and support the DevOps team on Kubernetes and CI/CD best practices.
Results achieved:- Successful migration of over 20 applications, without any service interruption.
- 100% of source code covered by automated analysis via SonarQube.
- Complete and secure backup of all applications with Kasten.
Technical context: Kubernetes, Azure (AKS), AWS, Rancher, Terraform, Terragrunt, Helm, Kustomize, Docker, Linux, Git, GitLab, GitLab CI, SonarQube, Trivy, Kasten, Grafana, Prometheus, Loki, Kibana, Elasticsearch, Sentry, Okta, PostgreSQL, Node.js, PHP, Laravel, Python. - Groupe SEBDevOps EngineerRETAIL (LARGE RETAILERS)July 2024 - December 2024 (5 months)Écully, FranceIntegrated into the CCOE team of Groupe SEB, my main mission is to strengthen the security of AWS and Azure cloud infrastructures following a security audit, by correcting critical vulnerabilities and industrializing governance and compliance best practices.My responsibilities:
- Correct and monitor security vulnerabilities on AWS and Azure.
- Integrate and optimize CrowdStrike CSPM for continuous auditing.
- Develop a tool for visualizing Azure permissions.
- Create a Terraform module to simplify and industrialize Azure permission management.
- Train and support developers on cloud security best practices.
Results achieved:- Elimination of 100% of critical and high vulnerabilities on AWS and Azure.
- Implementation of real-time monitoring of cloud infrastructures thanks to CrowdStrike.
- Deployment of a Terraform module downloaded over 700 times, promoting automation and standardization.
Technical context: AWS, Azure, CrowdStrike CSPM, Terraform, Python, Neo4j, Docker, Linux, Git, GitHub, GitHub Actions.
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Education
- Master 2 Computer Science - SRIV (Systems, Networks, and Virtual Infrastructures), Computer EngineeringUniversité Claude Bernard Lyon 12021Kubernetes, Terraform, Ansible, DevOps, Docker, Open Source, Cloud Native, OpenStack, Linux, Sécurité, Python, Bash, Shell, Scripting
- Master 1 Computer Science - RISR (System and Network Engineering Manager), Computer EngineeringCESI2020Kubernetes, Terraform, Ansible, DevOps, Docker, Open Source, Cloud Native, Linux, Sécurité, Python, Bash, Shell, Scripting
Certifications
- CKS: Certified Kubernetes Security SpecialistThe Linux Foundation2025
- CKAD: Certified Kubernetes Application DeveloperThe Linux Foundation2025