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Sarah DadenSD

Sarah Daden

Supermalter

Cloud | DevOps | Kubernetes | SRE | Azure | CI/CD

€650/day
4 projects
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Sarah

DevOps & Cloud Engineer, with 11 years of experience with major clients such as TotalEnergies, Carrefour, Health Data Hub, Radio France, Euler Hermes, and Renault Digital. I work to implement cloud infrastructure with challenges in performance, security, and high availability.

My key expertise:

- Cloud & self-hosted (AWS, Azure, private infrastructures)
- Kubernetes cluster deployment (on-prem, cloud)
- Automation with IaC (Terraform, Ansible)
- Containers & Orchestration (Docker, Kubernetes, Helm)
- CI/CD & deployment automation (GitHub Actions, GitLab CI, Azure DevOps, ArgoCD, Argo Workflows)
- Observability and monitoring (metrics, logging, tracing, dashboard implementation)
- DevSecOps
- Migration, redesign, or RUN support

I place automation and observability at the heart of my approach: two essential levers for ensuring team performance, their autonomy, and system reliability.

I integrate easily into teams, in direct collaboration with developers, product managers, and security teams, to build technical platforms that support product delivery.

Certified AWS Solutions Architect and Kubernetes Administrator (CKA).
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 40km)

Experience

  • TotalEnergies
    Senior DevOps / IaC / APIGEE Engineer
    ENERGY AND UTILITIES
    July 2024 - January 2026 (1 year and 6 months)
    Paris, France
    Mission within the API Factory team at TotalEnergies, composed of several Ops, Devs (.NET), PO, and Tech Lead.
    I participated in the design and deployment of an API Management platform based on Kubernetes & Apigee Hybrid to centralize the management, security, and monetization of TotalEnergies' APIs.

    • Design and implementation of enterprise API governance rules on Apigee Hybrid: management of policies, shared flows, KVMs... to standardize API behavior.
    • Support for clients in migrating over 500 APIs from AWS API Gateway & Azure API Management environments to Apigee Hybrid, in coordination with several client teams to ensure production cutovers without service interruption.
    • Support for project teams in evolving and improving the use of their API platform.
    • Implementation of microservice deployment pipelines on Kubernetes clusters in a multicloud environment (EKS + AKS).
    • Implementation of Helm charts to accelerate the deployment of new microservices on Kubernetes.
    • Run tasks: MCO, incident interventions / post-mortems / SLO/SLI monitoring, Kubernetes cluster and Apigee runtime updates, various automations.

    Technical Environment:

    AWS · Azure · Kubernetes (EKS + AKS) · Terraform · GitHub · Github Actions · cluster-autoscaler · Apigee Hybrid · Helm · Python · Prometheus · Grafana · AWS WAF · policies · shared flows · KVMs · OpenAPI
    Kubernetes Microsoft Azure Apigee Github Actions Amazon Web Services
  • Plateforme des données de santé
    Senior DevOps / IaC Engineer
    PUBLIC SECTOR
    January 2023 - June 2024 (1 year and 5 months)
    Paris, France
    Within the Data Governance team, composed of Golang developers and Ops under the direction of the CTO and Product Owner, I participated in the development of the data platform to ensure the secure processing of French health data.

    - Provisioning and management of Azure infrastructure with Infrastructure as Code.
    - Implementation and optimization of CI/CD pipelines, automating build and deployment workflows for the data platform components.
    - Deployment and configuration of data catalog tools (Jupyter, RStudio, Spark, Nexus...) on Kubernetes clusters, ensuring reproducible environments for data scientists.
    - Strengthening cloud security posture in accordance with DevSecOps best practices.
    - Development of platform tools in Golang and Bash scripts.
    - Support for data and project teams in the evolution of their platform.

    Technical Environment:

    Azure AKS · Routes · Key Vault · Storage Account · Container Instances · Kubernetes · Helm · Terraform · Terragrunt · Nexus · Azure Devops · Managed Identities · AAD · RBAC · NSG · Azure Firewall · Private Endpoints · Encryption of data at-rest/in-transit · CMK · Azure Key Vault · Network Policies · External Secrets Operator · Zero Trust Policy · Least Privilege
    Kubernetes Helm Azure DevOps Microsoft Azure DevSecOps
  • Carrefour
    Cloud & Automation Engineer
    RETAIL (LARGE RETAILERS)
    February 2021 - October 2022 (1 year and 9 months)
    Paris, France
    Within the OMS squad responsible for developing and maintaining microservices applications for order placement on the Carrefour website.

    - Configuration of Kubernetes objects via Helm charts across multiple environments.
    - Provisioning of Azure and GCP infrastructure with Terraform modules, ensuring versioned and consistent environments across teams.
    - Architecture and deployment of the Prometheus / Grafana stack on Kubernetes and the ELK logging stack.
    - Support for teams in evolving their platforms by making them autonomous in CI/CD and production deployments.
    - On-call duties during key Carrefour commercial events.

    Technical Environment:

    Azure · GCP · Java · Kubernetes · Helm · Docker · Terraform · Terragrunt · Ansible · Prometheus · servicemonitors · Prometheus Operator · Grafana · Gitlab CI · Artifactory · Elasticsearch · Fluentd · Filebeat · Kibana · Dynatrace · Alertmanager
    Kubernetes Jenkins Microsoft Azure Prometheus Ansible

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Education

  • Systems and Networks Engineer
    National School of Applied Sciences
    2013
    Formation polyvalente sur les bases des protocoles des réseaux de télécommunication, avec notions en mathématiques appliquées et travaux pratiques, une formation accompagnée par des stages de fin de cursus orientant mon choix professionnel.

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