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Didier DueñasDD

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Freelancer profile translated to English.
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About Didier

DevOps Engineer specialized in data and hybrid cloud environments, I design, automate, and operate secure and scalable architectures in regulated contexts (eIDAS, GDPR, ISO 9001/27001).

I implement CI/CD pipelines as-code with GitLab CI, Jenkins, and Azure DevOps, integrating Docker, Terraform, Ansible (Jinja playbooks), and progressive deployment strategies that minimize service interruptions. I have deployed and operated Kubernetes clusters on Oracle Cloud Infrastructure (OCI) as well as on hybrid Azure environments (on-premise & cloud), with a focus on stability, performance, and cost control.

I have worked on electronic signature projects integrating eIDAS requirements, risk assessment using EBIOS Risk Manager, and GDPR / ISO 27001 compliance, in coordination with CISO teams. I have managed secrets and security keys via HashiCorp Vault, as well as securing pipelines and runtime environments.

I have implemented observability solutions based on Grafana, Prometheus, Kibana, and Site24x7, enabling proactive monitoring and continuous improvement of platform reliability.

In parallel, I have strong expertise in data governance: BPMN modeling, SOA / microservices architectures, and canonical model design via Informatica MDM, to improve data quality, traceability, and interoperability.

I operate in international and highly constrained contexts, with an approach focused on automation, reliability, and business/tech alignment.

Terraform + Ansible to build and configure, Docker + Helm on Kubernetes to deploy, Vault to secure, CI/CD + GitOps (ArgoCD/Flux) and observability to control the environment.

  • French

    Native or bilingual

  • Spanish

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 50km)

Experience

  • Croix-Rouge
    French
    E-COMMERCE
    February 2025 - Today (1 year and 6 months)
    Paris, France
    I volunteer with the Paris Red Cross unit, Inclusion through Digital. As part of deploying my activity to combat digital exclusion, which is a significant social issue (professional integration, maintaining family ties, access to social rights), I am applying my technical and managerial skills in information systems, conducting regular digital workshops, and managing projects to improve the digital infrastructure.
    Data Governance Data Management & Repositories (MDM, Data Quality) SAFe Gitlab CI/CD BPMN
  • ALTEN
    DevOps Consultant – Systems Engineer
    June 2022 - October 2024 (2 years and 4 months)
    Paris, France
    To provide faster and more reliable software solutions for Alten's clients, I was responsible for implementing the DevOps approach at the client's site. Integrating Development (Dev) and Operations (Ops) teams creates a continuous and efficient workflow, delivering high-quality applications faster by automating processes as much as possible. This enables the implementation of continuous integration, continuous delivery, and continuous deployment. I was also responsible for real-time monitoring and optimization of application performance, error and incident management, as well as continuous improvement of all processes.
  • SitFlow
    IT Project Manager
    March 2021 - May 2022 (1 year and 2 months)
    Paris, France
    ✅ Key Achievements & Responsibilities: Managed end-to-end project lifecycle, from planning to delivery, using Azure DevOps and Microsoft Azure platforms. Translated business requirements into actionable development tasks, adapting to evolving priorities and constraints.
    Led SCRUM ceremonies (daily stand-ups, sprint planning, retrospectives), ensuring team alignment and agility.

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Education

  • Oracle PeopleSoft & BI Analyst
    Sorbonne University
    Oracle PeopleSoft & BI Analyst
  • Master's degrees: Information & Knowledge
    Université Paris 1 Panthéon Sorbonne
    Master's degrees: Information & Knowledge

Skill set

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