You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Nicolas L.NL

Nicolas L.

Cybersecurity Consultant

€690/day
Lille, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
Back to original language

About Nicolas

Cybersecurity & Active Directory Expert
Cybersecurity specialist with over 20 years of experience, I help companies protect and secure their IT infrastructures, with expertise in vulnerability detection and management, deployment of security tools, and advanced administration of Active Directory.

**EDR Deployment and Management**: From participating in calls for tenders to the complete management of endpoint security solutions, I oversee threat assessment, security patch implementation, and advanced incident analysis.

**Vulnerability Management**: Security audits, assessment of potential weaknesses, and support for teams to secure all critical systems.

**Patch Management and Endpoint Protection**: Development and management of security policies aimed at protecting networks and systems against emerging threats.

**Active Directory Mastery**:

AD Administration and Migration: From domain controller management to the redesign and migration of Active Directory, I design robust and secure infrastructures for complex enterprise environments.

**GPO and WSUS Management**: Implementation of group policies (GPO) to optimize system security, and patch management via WSUS to ensure Windows environments are up-to-date.
  • French

    Native or bilingual

Can work on-site
Lille (up to 50km), Douai (up to 50km), Valenciennes (up to 50km), Tournai (up to 50km)

Experience

  • Auchan
    Cybersecurity Expert
    January 2016 - January 2026 (10 years)
    Villeneuve-d'Ascq, France
    Since February 2018, Cybersecurity Expert
    EDR, (participation in tender, POC, deployment and complete management of the solution) Endpoint Security, threat and vulnerability assessment and management
    Patch management
    Active Directory Audit
    Hardening
    Support for technical and business teams
    Advanced analysis and investigations

    From January 2016 to January 2018, Technical Infrastructure Expert, transversal.
    Active Directory, GPO, WSUS, WDS, MDT, Antivirus
    EDR Investigations Vulnerability Management Active Directory Threat Detection
  • Consort NT
    Technical Consultant
    August 2015 - January 2016 (5 months)
    Participation in the store infrastructure migration project.

    Specialty retail sector.
    Active Directory Windows Server
  • Atos
    Systems Engineer
    April 2011 - August 2015 (4 years and 4 months)
    Lille, France
    Since April 2013, assignment in the large retail sector in Villeneuve d'Ascq.
    Various infrastructure projects
    Migration of domain controllers and Active Directory 2003 to 2008 R2 / 2012 R2
    GPO Management / Redesign / Migration
    Implementation of a Citrix VDI-in-a-Box / Netscaler infrastructure for a remote support service.
    POC of Citrix XenDesktop / Vmware View solutions as part of the opening of the future store.
    Participation in the Windows 8 master and implementation of the WDS/MDT deployment infrastructure
    From November 2011 to April 2013, assignment in the transport sector in Lille.
    Management of Antivirus and WSUS platforms (12000 clients servers and workstations)
    Finalization of the McAfee VirusScan 8.5 to 8.7 migration project
    Migration of McAfee ePolicy Orchestrator servers from 4.0 to 4.5 then 4.6
    Migration McAfee VirusScan 8.7 to 8.8
    Migration McAfee Host Intrusion Prevention System 7.0 to 8.0
    Redesign of the WSUS infrastructure, Windows 2003 to 2008 R2, SQL 2005 to 2008 R2 Implementation of GPOs for client configuration
    Creation of WSUS reporting using Integration Services/Reporting Services
    From April 2011 to September 2011, assignment in the large retail sector in Villeneuve d'Ascq.
    As part of the 'EEDP' project, Evolution of the Remote Presentation Environment: Creation of a Citrix XenApp 4.5 farm for a business application.
    Creation of the master for the new farm servers.
    Creation of a XenApp 6 / Windows 2008 R2 qualification farm, design and testing of migration scenarios from the current CPS 3.0 farm to XenApp 6.0
    Active Directory Citrix WSUS Patch Management Antivirus

Recommendations

Be the first to recommend Nicolas

Help this freelancer shine by sharing your experience working together.

These freelancer profiles also match your criteria

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Education

  • MCSA, MCSE, AD, Exchange, Security, SQL
    Ingram Formation (Microsoft Curriculum)
    2004
    MCSA, MCSE, AD, Exchange, Sécurité, SQL
  • Associate's Degree, Higher Technician in Maintenance and Service in Micro IT
    Centre d'Etudes supérieures industrielles
    2002
    BAC + 2, Technicien Supérieur de Maintenance et Service en Micro Informatique

Certifications

Skill set

Categories