Freelancer profile translated to English.
Back to original languageAbout Christophe
Infrastructure engineer specializing in Microsoft and Azure environments.
I work on the administration and operation of hybrid infrastructures (on-premise and cloud), with expertise in Windows Server, Active Directory, and Microsoft Azure infrastructure services.
During my professional experiences, I have worked on IT infrastructure management, access security, and cloud environment operations.
My areas of intervention include:
• Azure infrastructure administration (virtual machines, virtual networks, network security)
• Management of Windows Server and Active Directory environments
• Microsoft 365 administration and identity management (Azure AD / Entra ID)
• Configuration and security of access (VPN, firewall, MFA)
• Supervision and maintenance of systems and networks
• Advanced technical support (L2 / L3)
I favor a pragmatic approach focused on the operation and reliability of infrastructures to ensure the continuity and performance of IT systems.
I can be involved in projects such as:
• Azure administration and operation
• Microsoft infrastructure management
• IT environment maintenance and optimization
• Advanced infrastructure support
• Identity and Access Management (IAM)
French
Native or bilingual
Can work on-site
Paris (up to 50km)
Experience
- Freelance ITIT Consultant FreelanceCONSULTING AND AUDITSSeptember 2024 - Today (1 year and 9 months)Freelance activity in administration, maintenance, and support of IT infrastructures for individuals and small businesses.Interventions on diagnosing and resolving system incidents, configuring network equipment, and administering Microsoft environments.Experience also includes identity and access management on Microsoft Azure and Microsoft 365 environments.Over 40 interventions performed, including:• diagnosis and resolution of system and network incidents• complete reinstallation and configuration of Windows environments• installation and configuration of network equipment (routers, Wi-Fi)• configuration of printers and computer peripherals• cleaning and optimization of workstations• recovery and migration of user data• installation and configuration of professional software• assistance and training in the use of digital toolsInterventions also on:• Microsoft identity administration (Azure AD / Entra ID)• Access and authentication management (IAM / MFA)• Microsoft 365 environment administration• Microsoft Azure resource management and configurationServices provided autonomously with technical diagnosis, incident resolution, and complete client relationship management.
- OPSYRESystems & Networks Engineer / CybersecurityDIGITAL AND ITDecember 2023 - December 2025 (2 years)Montigny-le-Bretonneux, FranceAdministration and security of systems and networks infrastructure in a corporate environment.Involved in the operation and maintenance of Microsoft and Linux infrastructures, including identity management, system monitoring, and access security.Main responsibilities:• administration of Windows Server and Linux environments• Active Directory management (users, groups, GPOs)• identity and access management• configuration and administration of firewalls (Fortinet / Sophos)• deployment and management of site-to-site VPNs• supervision and monitoring of IT infrastructures• analysis and resolution of system and network incidents• participation in vulnerability analysis• operation and maintenance of IT infrastructures
- XEFINetwork and Systems AdministratorDIGITAL AND ITFebruary 2023 - November 2023 (9 months)Boulogne-Billancourt, FranceDescription:Administration and maintenance of Microsoft infrastructures in a corporate environment.Main responsibilities:• Windows Server administration• Active Directory and GPO management• Office 365 administration• Azure AD / Entra ID identity management• L2 / L3 infrastructure support• system and network incident resolution• VMware virtualization administration• IT infrastructure supervision
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Education
- Advanced Technician Certificate (BTS) in IT Services for Organizations (SIO), Administration of / network and systems administratorLycée Fénelon Sainte-Marie2022Brevet de technicien supérieur (BTS) SIO (Service Informatique aux Organisations), Administration de / administrateur réseaux et systèmes
- Professional Baccalaureate in Passenger Vehicle Option, Technology / Mechanical Technician, Technology / Automotive Mechanics TechnicianLycée Charles PetietLycée Charles Petiet2014Baccalauréat professionnel option véhicule particulier, Technologie / technicien de mécanique, Technologie / technicien de mécanique automobile