Freelancer profile translated to English.
Back to original languageAbout Matthieu
+15 years of experience. Specialized in the design, management, security, and optimization of IS with Microsoft tools.
Automation and compliance of technical and business processes using Powershell and related solutions.
Architecture, deployment, redesign, optimization, auditing, and security of Active Directory.
Specialties:
⭐ **Scripting**: PowerShell, Powercli, DSC, Azure DevOps (CI/CD)
⭐ **Security**: Hardening, Audit, ANSSI recommendations tracking, PingCastle
⭐ **Microsoft Solutions**: Windows Server – with and without GUI (Core), Active Directory, ADFS, DNS, DFS, ADFS (SSO), Cluster, IIS, RDS Technologies (RDP), HyperV, PKI (ADCS - Active Directory Certificate Services), SQL
⭐ **Cloud**: Microsoft Azure, Microsoft 365, OVH ...
Additional Skills:
• Linux: Debian/Ubuntu, Samba, UFW, Apache, MySQL, Squid, DHCP, OpenSSH, BIND, ...
• Virtualization: VMware ESXi, VSphere, HyperV
• NAS Storage: Synology
• Internet/intranet Development: ASP.net, PHP, JavaScript, XHTML, CSS ...
• Windows Development: C# (Winform, WPF)
English
Fluent
French
Native or bilingual
Can work on-site
Chartres (up to 50km), Paris (up to 30km), Le Mans (up to 30km), Tours (up to 30km), Angers (up to 30km)
Experience
- Malakoff HumanisActive Directory & PowerShell Expert - Multi-domain Consolidation (10,000+ users)BANKING AND INSURANCENovember 2020 - Today (5 years and 7 months)Paris, FranceLong-term mission (5+ years) within a large Banking/Insurance company, as part of a strategic project for large-scale Active Directory forest/domain consolidation and migration (+10,000 users).- Technical lead for the migration of 9 AD domains: architecture, sizing, implementation- Development of PowerShell automation solutions to industrialize migration operations- Definition of target AD/DNS architectures and facilitation of technical workshops for IT and Business.- Evangelization and upskilling of internal teams on Active Directory best practices.
- Omexom (groupe VINCI Energies)Cybersecurity & Hardening Consultant – Air Gap Infrastructure / ANSSI ComplianceENERGY AND UTILITIESJuly 2024 - December 2025 (1 year and 5 months)Tours, FranceIntervention in a highly secure environment (isolated air gap infrastructure, Energy sector) with mandatory compliance to ANSSI, CIS Benchmarks, and Microsoft Baselines standards.• Definition and design of the information system architecture• Automation of deployment and configuration of system and application infrastructures (Windows Server, equipment) using PowerShell DSC• System hardening and security (Windows Server and Windows 11 Hardening) in an automated manner• Implementation of ANSSI recommendations and other security standards (CIS Benchmarks, Microsoft baselines, etc...)• Writing functional and security test procedures=> Contribute to strengthening the resilience and compliance of the IS with security standards.
- Cegelec Projets Espace (groupe VINCI Energies)Microsoft Infrastructure & Automation ConsultantAVIATION AND AEROSPACEOctober 2019 - Today (6 years and 8 months)Puteaux, FranceIn an advanced information security context:• Automation of the deployment and configuration of various system and application infrastructure elements with Powershell DSC on Windows Server.• OS Hardening: Automation of Windows Server and Windows 10 system security.• Use of Azure DevOps with automated CI/CD pipeline for Powershell script delivery• Writing advanced functional and information security test procedures.
Reviews
Amaury
MuseoPic
Reviewed on 12/9/2020
Working with Matthieu was a pleasure. He was very invested in our project. His listening skills, expertise, and motivation were significant assets for the successful completion of the mission he joined us for.
R
Rachid
Fisco-Fid
Reviewed on 11/18/2020
Thank you Matthieu for the work done and the valuable advice. See you soon
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Education
- International IT Engineering DegreeSUPINFO - The International Institute of Information Technology2010
- University Diploma in Technology in Computer ScienceUniversité du Maine-Le Mans-Laval2007