Freelancer profile translated to English.

Description

Experienced DevOps Engineer with strong expertise in Kubernetes infrastructure management, cluster migration, and CI/CD pipeline automation. Proficient in creating Docker images, managing deployments, and implementing monitoring tools to ensure the stability of production environments. With skills in ticket management via Jira and technical documentation on Confluence, I am capable of ensuring rigorous and efficient operations and production releases.

Languages

French
Native or bilingual
English
Conversational

Workplace preferences

Can work on-site

Paris (up to 50km)

SFR
DevOps Engineer - Kubernetes
TELECOMMUNICATIONS
August 2024 - Today (1 year and 10 months)
Paris, France
- Management of Kubernetes environments for various clusters, with a strong focus on administration and operational maintenance of the infrastructure (MCO)

- Monitor and maintain Kubernetes clusters to ensure maximum availability

- Ensure the management of Kubernetes updates and versions

- Migration from Kubespray to Talos in different environments (Prod, Non-Prod)

- Installation and addition of nodes (workers) in different Kubernetes clusters (Foreman, OneView, Dell iDRAC)

- Creation, management, and optimization of Docker images in the Harbor registry, and automation of CI/CD pipelines under GitLab for continuous integration.

- Implementation of RBAC (Role-Based Access Control), management of Namespaces and Network Policies to enhance cluster security.

- Configuration of boot servers for physical node installation

- Implement and provide support for monitoring via Grafana, ELK (upgrade)

- Provide support for production infrastructures (Build and RUN) through Jira and Cephee ticket management to ensure continuity of production services.

- Integration of Service Mesh solutions like Istio for traffic management, security, and micro-service monitoring.

- Automation of recurring tasks with tools like Ansible, Terraform, or Helm

- Validation of Terraform modules for creating GCP objects such as Cloud Storage

- Conducted a FinOps study for the Cloud Storage service.

- Perform VSR (Validation of Service Readiness) of infrastructures and services after production deployment

- Implementation of comprehensive and structured technical documentation on Confluence to ensure traceability of operations.
Kubernetes Terraform Argo CD Atlassian JIRA Docker Foreman Istio Harbor VMWARE Ceph Grafana Kibana Ansible Gitlab CI Linux
BOUYGUES TELECOM
DevOps Engineer
April 2023 - July 2024 (1 year and 2 months)
Vélizy-Villacoublay, France
- Participate in project meetings by collaborating with various technical stakeholders and participating in GO/NO GO meetings for production releases

- Write timelines and carry out deployments in Pre-production and Production

- Ensure the configuration and management of physical and virtual infrastructures using Kubernetes technologies

- Monitor and maintain Kubernetes clusters to ensure maximum availability

- Ensure the operational maintenance (MCO) of the infrastructure for Kubernetes-orchestrated container platforms

- Implementation and maintenance of CI/CD pipelines with a GitOps approach

- Implementation of RBAC (Role-Based Access Control), management of Namespaces and Network Policies to enhance cluster security

- Manage incidents affecting environments and ensure service upgrades

- Provide support for production infrastructures (Build and RUN) through Jira ticket management to ensure continuity of production services.

- Implement adequate monitoring and alerting solutions (Grafana, Kibana, Prometheus)

- Automation of recurring tasks with tools like Ansible, Terraform, or Helm

- Evolve clusters by integrating new VMs (K8S Upgrade, draining, cordoning, uncordoning)

- Perform VABE (Validation of Good Exploitability) for infrastructures and services

- Update operational files and technical production deployment documents
Orange
Kubernetes Operations Engineer
September 2022 - April 2023 (7 months)
Paris, France
- Participate in project meetings by collaborating with various technical stakeholders

- Supervise and coordinate RUN activities, including deployment monitoring and application of corrective patches.

- Write Pre-production/Production deployment phases

- Plan and participate in GO/NO GO meetings for production releases

- Ensure the operational maintenance (MCO) of clusters and the applications deployed on them.

- Plan and perform Kubernetes updates and version upgrades (Cluster and component upgrades)

- Provide Level 1 and 2 support for production infrastructures (Build and RUN)

- Perform technical integration of application components in accordance with defined standards

- Integrate deliverables into version packages and consolidate application versioning

- Deploy version packages on different environments (Qualification, Pre-production, and Production)

- Write and update operational files and technical production deployment documents

- Configure and manage monitoring tools such as Prometheus, Grafana, or ELK (Elastic Stack).