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Julien LyJL

Julien Ly

Microsoft Identity & Security Architect

€800/day
Paris, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Julien

Independent Microsoft Identity & Security Architect (Entra ID, Intune, Zero Trust), with a comprehensive technical background (technician, administrator, engineer, consultant), I specialize in the Modern Workplace, bridging identity, devices, and security.

I assist organizations facing complex and heterogeneous environments, often burdened by significant historical debt, by bringing clarity, structuring issues, and securing IT leadership decisions regarding modernization, security, compliance, and governance.

My work aligns with Modern IAM / Zero Trust principles, integrating identity and devices (the who and the what), with advanced expertise in the Microsoft ecosystem (SCCM/MECM, Intune, Entra ID, Defender XDR), within compliance frameworks aligned with NIS2 / NIST.

My hands-on, field-tested approach enables concrete technical audits, identification of blind spots (shadow IT, configuration gaps), and facilitates decisions aligned with operational constraints.
  • French

    Native or bilingual

  • English

    Conversational

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

Experience

  • MADS Consulting
    Microsoft Identity & Security Architect
    CONSULTING AND AUDITS
    May 2023 - Today (3 years and 1 month)
    Paris 16 Passy, France
    - Diagnosis, mapping, and architecture for M365 tenants and their dependencies (on-prem AD debt, legacy, hybrid). Identity (Entra ID), device (Intune), data, licensing, compliance.
    - NIS2/ReCyF mapping on a real environment.
    - Identification of gaps, roadmap scenarios, and decision support (CIO, CISO, Executive Committee).
    - Zero Trust Architecture, Conditional Access, Defender.
    - Build of the complete foundation, deployment, hardening.

    Fixed-price engagements.
    Microsoft Entra ID Microsoft Intune Microsoft Defender SCCM Zero Trust
  • Groupement Les Mousquetaires - Stime
    Modern Workplace & IAM Consultant
    AGRICULTURE
    August 2025 - December 2025 (4 months)
    Châtillon, France
    Cross-functional technical audit of IAM/Workplace/Security across a complex multi-brand IT system (Les Mousquetaires Group).

    - Analysis of Entra ID / on-prem Active Directory / endpoint dependencies within a Zero Trust framework.
    - Audit of on-prem AD posture (privileges, inheritance, at-risk accounts) and impact on modern access.
    - Evaluation of device compliance and integration into access strategies.
    - Utilization of PowerShell, Microsoft Graph, PingCastle for data analysis and correlation.
    - Mapping of breaking points: shadow IT, uncontrolled access, non-compliant devices.
    - Production of factual status reports + risk prioritization.
    - Direct presentation to CIO/CISO with interpretation of NIS2 requirements.

    Technologies: Entra ID, on-prem AD, Intune, PowerShell, Microsoft Graph, PingCastle, Zero Trust, NIS2
    Microsoft Entra ID Active Directory Pingcastle Powershell
  • SOGEPROM
    Modern Workplace Consultant
    REAL ESTATE
    August 2024 - July 2025 (10 months)
    Courbevoie, France
    Modern Workplace transformation and security within a Zero Trust framework.

    KEY MISSIONS:
    - Lead Windows 10 → Windows 11 Intune (Entra joined) migration without hybridization (HAADJ).
    - Industrialize W11 deployment: MDT master, drivers, Intune PPKG, Autopilot pre-provisioning.
    - Automate updates: Winget (apps) + Windows Autopatch (OS/Office).
    - Deploy Zero Trust strategies: device compliance, conditional access, blocking personal/BYOD devices.
    - Technical lead + advanced troubleshooting (L3) for migrated workstations.
    - Comprehensive documentation of Intune/Entra ID/MDE strategies.

    TECHNICAL ENVIRONMENT:
    Systems: Windows 10/11, iOS, Android | Cloud: Entra ID, M365, Intune (configuration, compliance, autopilot, autopatch, winget) | Security: MDE, Intune (CA, MDM, MAM, PIM, MFA, LAPS), Skyhigh, Varonis | Scripting: PowerShell, Batch, VBScript | Tools: MDT, Ivanti
    Microsoft Intune Microsoft Entra ID Microsoft Defender MDT Zero Trust

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Education

  • System and Network Administrator (RNCP level 2)
    Doranco
    2016
    Contenu de la formation effectuée: - Linux (Préparation à la certification LPIC 101) - Virtualisation Hyper-V et VMware (SCVMM, ESX, vCenter/vSphere) - Microsoft Windows 8 (Préparation de l'examen 70-687) - Microsoft Windows Server 2012 (Préparation de la certification MCSA Windows Server 2012 R2) - Microsoft Exchange Server 2013 - Cisco ICND1 et ICND2 (Préparation à la certification CCNA Switching and routing) - ITIL (Préparation à la certification ITIL® Foundation V3 ) - MS PROJECT - Sécurité du Cloud Computing

Skill set

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