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Emmanuel J.EJ

Emmanuel J.

SRE | DevOps | Platform | AWS | Kubernetes

€750/day
Évreux, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Emmanuel

🚒 I'll get your daily routine out of firefighting mode 👨🏻‍🚒 and propel your projects into rocket mode 🚀

Hello, my name is Emmanuel.

I support start-ups, scale-ups, and demanding organizations (healthcare, public sector, transport) in transforming complex infrastructures intoreliable**, **secure**, and **scalablesystems.
With nearly 14 years of experience in regulated and constrained environments, I leverage proven practices from industry standards (SRE, Platform Engineering, DevOps, DORA) to **empower your teams to remain in control of their infrastructure**.

Key Achievements:

1. Structuring and clarity of systems
  • 🧘🏻‍♂️ Implementation of dashboards and creation of clear runbooks forpeaceful on-call dutiesandensured service continuity
  • 🛠️ Taking over legacy systems to improve reliability andsecure revenue
2. Team autonomy and capability
  • 🧑🏻‍💻 Setting up adeveloper platformgiving moreautonomy to Feature Teams(e.g., monolith to microservices migration context, 630 developers)
  • 🌱 Guiding Feature Teams towards a“you build it, you run it”paradigm, through increased visibility and autonomy over CI/CD and observability tools
3. Performance and operational impact
  • ⚖️ **Automation of repetitive support requests**, to free up SREs from toil and focus on higher value-added requests
  • ⚡ Reduction in the time to create new services, from several weeks to 1-2 days, forpreserved innovation capacity

Whether it's to reduce incidents, structure your projects, or prepare for growth, I position myself as **flexible operational support**, with a concrete, results-oriented approach adapted to your context.
  • French

    Native or bilingual

  • English

    Fluent

  • Spanish

    Conversational

Remote only
Primarily works remotely

Experience

  • Doctolib
    Site Reliability Engineer
    SOFTWARE PUBLISHING
    April 2022 - March 2025 (2 years and 11 months)
    Levallois-Perret, France
    Company activity: Software publisher for business and patient management for healthcare professionals

    Responsibilities and impacts:
    • Design and operation of a cloud infrastructure with a strong focus on availability and operational excellence -> ability toscaleand ensure areliableservice for healthcare professionals and their patients
    • Definition and promotion of infrastructure standards (Infrastructure as Code, GitOps, change traceability, secret management) aligned withstrict securityandcompliance requirements(ISO27001, BSI C5, HDS)
    • Design, testing, and continuous improvement of disaster recovery strategies, participation inregular production failover drills-> ensuring business continuity
    • Close collaboration with security teams to enhance infrastructure security across multiple layers,balancing risk reduction with developer experience
    • Leadinginitiatives to reduce technical debt-> preserving platformscalabilityandability to innovate rapidly
    • Setting up the foundations for aninternal development platform(IDP) -> increasing product team autonomy onreliabilityandoperabilityaspects in arapidly evolving microservices environment
    *Infrastructure and CI/CD cost optimization
    Project management Scalability Regulatory compliance Platform Engineering Business continuity plan
  • Photobox
    Site Reliability Engineer
    ARTS AND CRAFTS
    September 2019 - April 2022 (2 years and 7 months)
    Paris 03 Temple, France
    Company activity: Printing of personalized items such as photo books, posters, prints, mugs, etc.

    Responsibilities and impacts:
    • Design and operation of a highly available hybrid platform coveringon-premiseandcloud infrastructure
    • Introduction of CI/CD, Infrastructure as Code, and immutable infrastructure practices -> significant improvement inplatform and deployment reliability
    • Implementation of an observability platform on Kubernetes to replace a managed cloud service -> improveddeveloper autonomyandmonthly cost reduction
    • Improvement of metrics, dashboards, and alerts ->reduced incident detectionanddiagnostic time
    • Technical debt assessment and reduction -> improved long-termplatform maintainabilityandsecuring seasonal revenue
    *Infrastructure cost optimizationthrough continuous economic efficiency initiatives


    Stack: AWS, Ansible, Jenkins, Kubernetes, ELK, Python, Bash
    Amazon Web Services Ansible DevOps Kubernetes FinOps
  • Société Nationale des Chemins de fer Français (SNCF)
    Azure and AWS Cloud Engineer
    TRANSPORTATION
    September 2018 - December 2018 (3 months)
    Saint-Denis, France
    (Mission carried out via the IT consulting firm CGI)

    Project: pilot phase of application migration to Azure and AWS cloud services

    Actions:

    *Automation of cloud environment provisioningand configuration
    • Definition of migration templates and decision trees for target and strategy adoption ->accelerated future migrationof 250 applications
    *Client supportfor the implementation of cloudbest practices


    Stack: Azure, AWS (mainly PaaS), Terraform, Ansible
    Amazon Web Services Terraform Microsoft Azure Cloud Migration

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Education

  • Master's degree in Engineering
    d'ingénieur), Networking (Réseaux informatiques)
    2011
    Master's degree in Engineering

Skill set

Categories