Freelancer profile translated to English.
Back to original languageAbout Guillaume
- Hello and welcome to my profile! 👋
I am Guillaume, a freelance DevOps specialist focused on modernizing and optimizing cloud infrastructures on Amazon Web Services (AWS) and Google Cloud Platform (GCP). With over 10 years of experience, I help companies automate their processes, implement secure infrastructures, and use Kubernetes to efficiently manage their containerized applications.
🎯 My areas of expertise:
✔️ Cloud Architecture: Designing scalable architectures on AWS and GCP, integrating DevOps practices, multi-tenant and multi-region infrastructures, as well as advanced security solutions to ensure scalability and high availability.
✔️ **Kubernetes**: Deploying and orchestrating containerized applications on AWS EKS and GCP GKE, optimizing resource utilization with CI/CD solutions to simplify updates and ensure scalability.
🚀 Project Examples:
👉 Cloud Architecture
➡️ AWS Data Streaming Platform: Creating a data streaming solution for real-time analytics.
➡️ AWS Warehouse Robotics: Developing a cloud platform for warehouse management and robotics.
➡️ GCP Serverless Architecture: Designing serverless solutions with Google Cloud Functions, Node.js, and Google Workflows.
➡️ Infrastructure as Code (IaC): Automating deployments on AWS and GCP using Terraform, ensuring consistency and scalability.
👉Kubernetes
➡️ Application Deployment: Managing containerized applications on AWS EKS and GCP GKE, ensuring efficient orchestration and high availability.
➡️ GitOps with ArgoCD: Implementing CI/CD pipelines for continuous deployments on Kubernetes.
➡️ Configuration Management with Helm: Simplifying the deployment and management of Kubernetes applications with standardized configurations.
French
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- DataDomeSite Reliability EngineerTECHJanuary 2025 - Today (1 year and 5 months)Paris, France
- Complete redesign of the on-premise legacy Prometheus stack (2 backends / 2 load-balancers / 2 NAT gateways): version upgrade, IaC, replacement of NAT gateways with IP failovers for finops and simplified IP whitelisting.
- InfluxDB Migration: IaC redesign, optimization of AWS resources and retention policies for better cost/performance ratio.
- Integration of Apache Druid with AWS MSK (Kafka) for stream analytics processing.
- Deployment of multi-region on-premise Elasticsearch clusters (Europe / USA) at OVH and client migrations.
- Operation (RUN) of critical platforms based on Elasticsearch, Kafka, and Flink.
- FreelanceDevOps Engineer / Site Reliability EngineerSOFTWARE PUBLISHINGMarch 2022 - January 2025 (2 years and 10 months)As an independent DevOps expert, I focus on creating and implementing robust, scalable, and high-performing cloud infrastructures for my clients.Here are the skills I highlight in my projects:
- 🌐 **Cloud Computing**: Designing and managing infrastructures on Amazon Web Services (AWS) and Google Cloud Platform (GCP). Optimizing cloud resources and leveraging AWS and GCP capabilities to meet specific client needs.
- 🛠️ **Kubernetes**: Orchestrating and optimizing containers with Kubernetes to develop scalable and robust clusters.
- 🚀 **CI/CD and Automation**: Establishing CI/CD pipelines for rapid and automated deployments on AWS and GCP. Using tools like Terraform and GitOps with ArgoCD for complete automation and centralized management.
- 🔒 **DevSecOps**: Applying DevOpsSec practices to enhance security throughout the deployment lifecycle, ensuring compliance and protection of cloud and Kubernetes infrastructures.
- 📈 **Observability and Monitoring**: Deploying monitoring tools and analyzing metrics, logs, and traces for complete visibility. This allows for proactive incident detection and performance optimization of Kubernetes, AWS, and GCP environments.
- AkeneoDevOps Engineer / Site Reliability Engineer | GCP, KubernetesSOFTWARE PUBLISHINGJuly 2022 - March 2024 (1 year and 9 months)Nantes, FranceAkeneo, a global leader in Product Information Management (PIM), offers companies solutions to effectively centralize, enrich, and distribute their product data across various channels.The mission aimed to refactor the cloud infrastructure with a focus on FinOps to reduce costs associated with Google Cloud Platform (GCP) while optimizing service performance and scalability.
- **Serverless Architecture with GCP**: Designing a serverless solution for automatic tenant provisioning, using Google Cloud Functions, Node.js, and Google Workflows. The project, multi-region with several GKE Kubernetes clusters, ensured strict separation of client data to maintain confidentiality and integrity.
- **GitOps**: Implementing GitOps practices with ArgoCD and Helm to automate the provisioning of client tenants and applications on Kubernetes. This approach simplified configuration management, reduced risks related to infrastructure changes, and optimized continuous delivery processes.
- **Infrastructure as Code (IaC)**: Managing cloud infrastructure with Terraform, automating deployments via ArgoCD. This application of Infrastructure as Code principles ensured increased consistency, standardization, and efficiency in multi-region GCP environments.
- **CI/CD Automation**: Designing robust CI/CD pipelines using CircleCI, Google Cloud Build, and ArgoCD. This automation enabled smooth continuous integrations and automated deployments, reducing errors and accelerating releases to improve the reliability of cloud environments on GCP.
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Education
- DUT Networks & TelecommunicationsIUT de Colmar2013Le DUT Réseaux & Télécommunications offre une maîtrise approfondie de l’administration des réseaux, des systèmes de télécommunication, de la sécurité des réseaux, de l’optimisation des performances, ainsi que de l’administration des serveurs Linux
- Professional Bachelor's degree in Network Administration and Security (Apprenticeship)IUT de Colmar2014La Licence professionnelle Administration et Sécurité des Réseaux en apprentissage offre une expertise approfondie en gestion et sécurisation des réseaux, optimisation des performances réseau, administration des serveurs, et mise en œuvre des meilleures pratiques en cybersécurité, le tout avec une approche pratique grâce à l’apprentissage en entreprise
Certifications
- AWS Certified Cloud PractitionerAmazon Web Services2019
- AWS Certified Solutions Architect - AssociateAmazon Web Services2020