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Landry J.LJ

Landry J.

System and Network Administrator / Developer

€450/day
Angers, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Landry

Passionate about IT since always, I am a versatile professional, combining technical expertise, business management, and innovation.
My background, both self-taught and academic, has allowed me to master several key areas:
  • Web Development
  • Network & System Administration (high-speed infrastructures, datacenters, fiber optics)
  • Cybersecurity (system protection, best practices)
  • Business Management (CEO of Netario and Dyjix, strategy and growth)
My approach: Curious, rigorous, and solution-oriented, I put my skills to the service of ambitious projects, whether as a developer, system administrator, or business leader. My goal? To combine technical performance and strategic vision to meet the challenges of the digital age.

In short: A hybrid profile, comfortable with code as well as infrastructure management or team leadership, always seeking to learn and take on new challenges.
  • French

    Native or bilingual

  • English

    Fluent

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

Experience

  • Netaris SAS
    President & CEO
    TELECOMMUNICATIONS
    January 2025 - Today (1 year and 5 months)
    I manage Netario, a specialist in tailor-made hosting solutions (cloud, IP tunnels, managed web) and proactive IT outsourcing for businesses and individuals. My expertise: deployment of high-performance infrastructures (Kubernetes, Terraform, Ceph), GDPR security, and 24/7 technical support for 99.9% availability.

    Strengths:
    ✔ IT strategy aligned with client needs
    ✔ Scalable and compliant solutions
    ✔ Personalized support for startups and businesses
    Project Management Administrative Management Network Administration System Administration BGP
  • Allianz France
    Internship at DSSI
    January 2021 - January 2024 (3 years)
    Organization of security tests on the entire IS, various governance missions (Development of security tools, execution of automated tests...)
    Cybersecurity Cybersecurity Governance
  • LearnIT
    Instructor
    EDUCATION AND E-LEARNING
    January 2025 - December 2025 (11 months)
    Angers, France
    I taught students in various strategic IT fields, with an approach focused on practical application of knowledge. My interventions covered in particular:

    **Virtualization and System Administration**: Management of virtualized environments, as well as administration of Active Directory and Azure AD (Entra ID) for centralized governance.

    **Mobile Device Management (MDM)**: Use of Microsoft Intune for device and security policy management.

    **IT Performance and Governance**: Application of ITIL best practices, optimization of information systems, and integration of Green IT and CSR issues.

    **Architecture and Modeling**: Design of business processes with BPMN, writing of specifications, and analysis of functional needs.

    **Development and Modern Architectures**: Training on Django and microservices architectures for scalable applications.
    Django IT Architecture Web Development Microsoft Intune Virtualization

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Education

  • Professional Master's Degree
    CESI Lille
    2024
    Mastère professionnel
  • Engineering degree through apprenticeship
    EPITA Paris
    Cycle ingénieur par la voie de l'apprentissage

Skill set

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