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Rayane H.RH

Rayane H.

DevOps | Cloud | Kubernetes | Terraform | CI/CD

€550/day
Paris, FR
3-7 years
Terraform
Kubernetes
GitOps
Google Cloud

Average response time: 1 hour

Freelancer profile translated to English.
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About Rayane

DevOps Cloud (K8s/GitOps). Operational quickly, I ensure the reliability of your infrastructures with rigor, drawing on solid multi-cloud experience (AWS, GCP, Azure). I am currently seeking a long-term project to fully invest myself. My goal: to bring my technical versatility, my ability to communicate with all stakeholders, and my positive energy within a healthy and ambitious environment.

  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 30km)

Experience

  • BOULANGER
    SysOps Engineer
    November 2024 - December 2025 (1 year and 1 month)
    Lesquin, France
    Run – Operations, L3 Support, and Monitoring
    o Handling RUN tickets (DEV requests, operations support, application incidents).
    o L3 Support for cloud and containerized environments.
    o MCO of Azure environments: monitoring, patches, performance optimization.
    o Incident analysis and resolution via Prometheus, Grafana, AlertManager.
    o Continuous improvement of procedures and documentation to streamline interventions.
    o Supporting Dev teams on cloud and container best practices.

    Build – GitOps, IaC, Migration, and Refactoring
    o Deployment of infrastructures via Terraform, Ansible, and Gitlab (GitOps).
    o Migration of VM applications to a CaaS platform (RBAC, privilege management, packaging).
    o Configuration of Fluent Bit (parsing, log structuring, key field extraction).
    o Connecting applications to Azure Event Hubs (stream consumption, endpoint configuration).
    o Complete refactoring of critical e-commerce applications: infrastructure reconstruction, stream switching, RUN, monitoring.

    Results / Deliverables
    o Improved RUN quality through structured and responsive L3 support.
    o Standardization of deployments via IaC (Terraform/Ansible).
    o Secured application traffic via Apache reverse proxy.
    o More usable logs thanks to Fluent Bit parsers.
    o Successful refactoring of critical applications while maintaining availability.
    Kubernetes Terraform Git Microsoft Azure Ansible
  • DECATHLON
    CloudOps Engineer
    September 2021 - October 2024 (3 years and 1 month)
    Villeneuve-d'Ascq, France
    RUN- Operations, Incidents, and Observability
    o L3 Support: handling complex incidents, in-depth analysis, and definitive resolution.
    o Advanced troubleshooting on high-volume microservices workloads (2300 pods).
    o Diagnosis and resolution of critical problems: CNI (kube internal network, inter-pod communication, DNS), Flux Locks (blocked GitOps synchronization), CashLoopBackOff, readiness/liveness errors, scaling issues, node saturation.
    o Kubernetes MCO: node rotation, node pool management, OS patching and security updates, Kubernetes API upgrades.
    o Maintenance of the observability stack: Prometheus, Grafana, AlertManager.
    o Implementation and optimization of alert routing (Slack, PagerDuty).
    o Testing and validation of API calls via Bruno to retrieve and analyze JSON payloads.
    o Support for Dev teams on deployments, logs, secrets, performance, and DevOps best practices.

    BUILD– GitOps, IaC, Security, and Scalability
    o Full GitOps Migration: transition from Helm/Jenkins to Flux V2. Refactoring of Git repositories via Kustomize (base/overlays).
    o IaC Standardization: CD Automation: implementation of "on-demand reconcile" via Github Actions.
    o Security: integration of HashiCorp Vault + External Secrets Operator, RBAC and Service Accounts management.
    o Scalability: PoC + implementation of KEDA (autoscaling on Kafka lag, Cron, GreenIT).
    o Cloud resource management: creation of GCP Service Accounts via Terraform, manifest updates (Ingress, anti-affinity).
    o Decommissioning of historical AWS accounts (Python/AWS CLI inventory, resource migration strategy, Cost Explorer).

    Results/Deliverables
    o Stabilized RUN on very high-volume clusters.
    o Reduction of recurring incidents related to Kubernetes configurations.
    o Centralized secret security (Vault + ESO).
    o Improved resilience thanks to KEDA and anti-affinity rules.
    o Deployments via GithubActions and Flux.
    Kubernetes Cloud GCP Cloud AWS Observability Terraform
  • SNCF CONNECT
    System and Network Administrator
    September 2019 - August 2021 (1 year and 11 months)
    Lille, France
    Run – Operations and Incidents
    o Incident management via Opsgenie/Jira: analysis, resolution, and communication with business teams.
    o Continuous monitoring of applications and servers via Grafana, Datadog, CloudWatch, Centreon, Kibana, with proactive alert analysis (CPU, RAM, disk, network, critical services).
    o Advanced Linux server administration: systemd service management, process control, performance optimization, user, group, permission, and SSH key management.
    o Complete storage management: disk space monitoring, log rotation and cleaning, volume expansion, partition management, and storage-related incident resolution.
    o System incident diagnosis and resolution: service failures, network problems, application errors, resource saturation, system and application log analysis to identify root causes.
    o Scheduled task management via Rundeck: execution, automation, job tracking.

    Results/Deliverables
    o Automation of recurring operations (Shell/Python scripts).
    o Guarantee of critical application availability during datacenter migration and closure.
    o Optimization of incident tracking and performance analysis thanks to observability tools.
    o Improved operational efficiency through automation of recurring tasks on servers.
    o Verification of Terraform tag compliance for cost and inventory management.
    o Enrichment of the knowledge base for better procedure management.
    Cloud AWS Python Atlassian JIRA System Administration Observability
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Education

  • Master: Cloud & DevOps - IT Project Manager
    Aston,
    2019
    • Déployer une solution de cloud Public/Privé • Utiliser le Cloud pour assurer la résilience de son environnement On Premise • Gérer les services d’identités et Contrôle d’accès (IAM) • Sécuriser un environnement IAAS et se défendre contre les DDOS • Renforcer la sécurité avec WAF et CDN • Protéger les clés de chiffrement et autre secrets utilisés par les services et applications cloud • Etablir et contrôler un plan de gouvernance en s’appuyant sur les service de Blueprint des Clouders • S’appuyer sur les services PAAS pour accélérer les déploiements • Délivrer et déployer en continu la démarche DevOps • Virtualiser des environnements avec Docker et Kubernetes • Industrialiser du provisionning (Terraform) • Monitorer et superviser les coûts des infrastructures cloud • Conduire un projet informatique • Manager, communiquer et collaborer
  • License: SysOps - Network Systems & Database Administrator
    ESPI
    2018
    • Sécurité d'une infrastructure • Gestion de l'infrastructure • Conteneurisation / Virtualisation de l'infrastructure • Supervision, Maintenance en conditions opérationnelles et Cybersécurité • Approche SysOps et agile • Gestion des incidents, problèmes et demandes
Check out Rayane's education

Certifications

Skill set

Ansible
Linux
Cloud GCP
Cloud AWS
Cloud Azure
Docker
CI/CD

Categories