Freelancer profile translated to English.
Back to original languageAbout Matthieu
With 14 years of experience as a Site Reliability Engineer (SRE) and Cloud Engineer, I assist my clients in optimizing their cloud infrastructures, securing their systems, and automating deployments. Thanks to my expertise, my training, and my passion for various automation tools, I can handle complex environments and meet the challenges of performance, security, and scalability.
French
Native or bilingual
English
Native or bilingual
Can work on-site
Paris (up to 50km)
Experience
- Christian Dior CoutureSRE in the e-Commerce System TeamE-COMMERCEApril 2023 - Today (3 years and 2 months)Paris, FranceManagement of the Cloud Infrastructure for the Dior.com e-Commerce site (47 million hits per day)Performance Optimization:
- Management of Mimir clusters for metrics storage.
- Akamai CDN Administration
- Migration of Loki from standalone version to a distributed architecture
- Installation and use of a Chaos Engineering tool: ChaosMesh
- Installation of Sloth.io for SLI/SLO calculation
Security and Compliance- Implementation of security strategies with CrowdSec
- Improvement of platform access management
- Implementation of a Docker container inspection tool with WIZ
- Implementation of tools to detect drift between Terraform code and different environments
Automation and Deployment- Pooling of CI/CD code into common Github actions
- Implementation of Action Runner Controller v2
Cost Management- Monitoring and optimization of cloud infrastructure costs
- Implementation of spot instances and Kubecost
Interdisciplinary interventions (Dev, Security, Tests, Architecture, Support) for integrations and incident resolution - TalendSite Reliability EngineerSOFTWARE PUBLISHINGDecember 2014 - March 2023 (8 years and 3 months)Suresnes, FranceLaunch of Talend Cloud and contribution to numerous platform evolutionsMember of the SRE Runtime team from September 2022 to March 2023 (6 months)
- Support of 6 production platforms on AWS and Azure, composed of 5 Kubernetes clusters per platform (100 nodes per cluster).
- Maintenance of CoreDNS, External-DNS, Kube-Proxy, Cluster-Autoscaler, Flux, Helm Operator, Traefik, Gloo, Kyverno, Kubecost, and Minio services
- Maintenance of all Kubernetes clusters at Talend
Member of the SRE Backend team from April 2020 to September 2022 (2 years and 6 months)- Maintenance of MongoDB, PostgreSQL, Kafka, ETCD, Redis, and Zookeeper clusters
Member of the first SRE team at Talend from June 2016 to April 2020 (3 years and 10 months)- Replacement of Puppet/Cloudformation IAC with Ansible, Terraform & Helm
- Creation of the user account management tool for our EC2 and ECS
- Creation of dashboards in various technologies (Grafana, Kibana, Dashing.io)
- Creation and management of Jenkins in all its forms. Puppet and Ansible/Helm code
- Creation of Ansible code for MongoDB cluster updates
- Creation of backup and restore tools for several backends
- Migration of several tools used by QA teams to Kubernetes
- Maintenance of ElasticSearch index cleaning tools
IT Resource dedicated to the R&D department from December 2014 to May 2016 (1 year and 5 months)- System administration of all R&D servers (VM & bare metal)
- Selection, Installation, and Configuration of Bare Metal Servers for R&D (hypervisor, build servers)
- Maintenance and evolution of Puppet orchestration code
- Creation of RPMs to package certain Talend products (steamrunner, tcomp, data preparation, sjs, etc.) - Maintenance and evolution of Icinga/Nagios monitoring
- Implementation of Nexus servers
- Implementation of a Docker registry (v1)
- XtendSYSIT Operations Manager and Solution ArchitectTELECOMMUNICATIONSNovember 2012 - July 2014 (1 year and 8 months)Issy-les-Moulineaux, FranceFormation with 11 other shareholders of a Swiss holding company offering a Cloud hosting solutionIT Operations Manager from February 2013 to June 2014 (1 year and 4 months)- Project Management: Use of the Scrum method with a team of 3 developers- Design & Development
- Creation of a tool for tracking server construction and delivery in Python with Django
- Creation of a dashboard for our clients, based on Drupal
- Creation of a middleware responsible for importing Cloudstack 3 & 4, OTRS & Nagios data
- Installation, configuration, and use- of a single sign-on service: CAS Jasig
- of a development forge based on Redmine and Git
- of a Piwik solution for audience visualization on about twenty sites
- of an OTRS ticketing tool to track our client relationships
Solution Architect from November 2012 to February 2013 (4 months)
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Education
- Master MIAGE (Information Technology Methods Applied to Business Management)University of Orléans2009
- Bachelor's Degree in ICT (Information and Communication Sciences and Technologies)University of Orléans2007
Certifications
- CKA: Certified Kubernetes AdministratorThe Linux Foundation2020