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Jolan DmtJD

Jolan Dmt

Cybersecurity Consultant

€400/day
Grenoble, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Jolan

Cybersecurity consultant specializing in securing infrastructure, systems, and networks.

I work on concrete topics: VPN implementation, DNS filtering, network segmentation, Linux hardening, automated backups, monitoring, reverse proxy.

I appreciate assignments where clear, effective, and documented solutions with real operational impact are sought.

My goal: to help companies strengthen their security without unnecessary complexity, through a pragmatic, structured, and sustainable approach.
  • French

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • Thales
    Project Security Manager & CSSI
    September 2024 - Today (1 year and 9 months)
    Site security referent and local contact for the national CISO, I ensure the relay of IS security policies while supporting technical projects in the integration of security requirements.

    - Support for several projects on IS security aspects: risk analysis, document tracking, compliance
    - Drafting project documents: PAS (Security Assurance Plan), MCS (Maintenance in Security Condition)
    - Participation in internal audits and contribution to action plans
    - Application of group IS security policies and transmission of directives to local teams
    Operational Security Security Audit Network Security Technical Documentation Cybersecurity Awareness
  • Thales
    IT Manager
    September 2023 - September 2024 (1 year)
    Manager of the IT environment for several project teams.
    Intervention on the entire lifecycle of development workstations and VMs, as well as on local infrastructures.

    - Large-scale OS migration (over 200 development machines)
    - Complete renovation of two areas (50 workstations each) with management of work and connections
    - Administration of VM environments for each project (network, system, access)
    - Implementation of VPNs and management of inter-project traffic
    - Local technical support and IT equipment management
    VPN System Administration Cybersecurity Operational Security Technical Documentation
  • XSALTO
    System, Security, and Network Administrator
    August 2022 - August 2023 (1 year)
    Management of website hosting, cloud computing, and system and network administration

    Multi-client context, sovereign site/server hosting, open-source technologies

    - Administration of over 300 VMs (Linux/Windows), web services, DNS, VPN, email, backups
    - Level 2 technical support and client incident resolution
    - Physical maintenance of servers in data centers (disks, RAID, monitoring)
    - Technical documentation, participation in deployment industrialization
    Network Security System Administration VPN Technical Documentation Operational Security

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Education

  • Master Manager of Data, Network, and System Security / Cybersecurity Expert, Information System Security / Safety
    Guardia Cybersecurity School
    2025
    Master Gestionnaire de la sécurité des données, des réseaux et des systèmes / Expert Cybersécurité, Sécurité / sûreté de l''information des systèmes informatiques
  • Bachelor Administrator of Secure Infrastructures, Information System Security / Safety
    Guardia Cybersecurity School
    2024
    Bachelor Administrateur d'infrastructures sécurisées, Sécurité / sûreté de l''information des systèmes informatiques

Skill set

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