Freelancer profile translated to English.
Back to original languageAbout Issam
Network and systems expert with 12 years of experience, I guarantee the performance, security, and availability of IT infrastructures. Proactive and on the lookout for innovations, I optimize architectures and support the success of strategic projects.
Arabic
Native or bilingual
French
Fluent
English
Conversational
Can work on-site
Suresnes (up to 20km)
Experience
- SNCFNetwork Architect - Wi-Fi ExpertTRANSPORTATIONSeptember 2025 - Today (9 months)Saint-Denis, France
- Participation in defining technical architectures and deployment engineering for network solutions (LAN/WIFI/WAN)
- Management of structuring LAN, Wi-Fi, and WAN projects to improve SNCF site networks
- Conducting technical studies for the deployment of a dedicated MPLS network for the SNCF infrastructure
- Participation in technical solution choices and network infrastructure evolution
- Collaboration with network equipment manufacturers and suppliers (Cisco, Huawei, Juniper, etc.)
- Validation of technical architectures and control of their consistency with the overall ecosystem
- Design and deployment of Wi-Fi infrastructures for critical multi-site environments
- Guarantee of solution compliance in terms of security, availability, and performance
- Writing and maintaining technical documentation for solutions and architectures (DAT, HLD, LLD, directive...)
- Technical referent role for operational teams
- Bouygues TélécomMock-up Integration ArchitectTELECOMMUNICATIONSJuly 2023 - August 2025 (2 years and 1 month)Meudon, FranceTechnical referent for the infrastructure foundations (systems and networks) of several strategic platforms.Complete management of the hosting infrastructure: supervision of virtualized and physical environments, change management, technical documentation, and updating of service mapping and datasets.Application of security requirements: integration of patches and fixes in coordination with the security team, participation in the hardening policy for environments.Management of the perimeter's technical roadmap evolution: identification of needs, impact studies, milestone tracking.Design and implementation of system/network architectures for mock-up environments based on production models.Onboarding of new services: Creation and configuration of VMs and containers (internal or cloud infrastructure), connection to services (supervision, security, backup, etc.), opening, testing, and validation of new network flows.Integration of new physical equipment, if applicable (racks, cabling, configuration).Cross-functional technical coordination with project, security, operations, and network teams to ensure proper component integration.Knowledge transfer to operations teams:Writing project deliverables and operational procedures.Level 2 support for test environments, in partnership with validation teams.Project planning: effort estimation, schedule tracking, risk identification, and implementation of corrective action plans.Regular reporting on progress, blocking points, and decisions to be made.
- FDG GroupNetwork & System EngineerRETAIL (LARGE RETAILERS)February 2022 - June 2023 (1 year and 4 months)Orly, France- Complete review of the AD/DNS/WSUS technical infrastructure and proposal of improvement areas- Verification of existing processes and proposal of evolutions if necessary around security (WSUS, Antivirus, AD...)- Management of the migration of LOTUS messaging data to Microsoft 365- Operation of Azure AD, MFA, Write Back, Teams services- Participation in the smooth functioning of the information system by ensuring the maintenance of various tools, system software, and communication infrastructures.- Implementation or supervision of the installation of network equipment, interconnection of all IT resources- Administration and operation of IT resources for different sites.- Monitoring and implementation of technical exchanges with service providers and partners- Writing and updating functional and technical documentation
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Education
- NATIONAL DIPLOMA IN COMPUTER ENGINEERINGEcole Sup Privée d'Ingénierie et de Technologies2019DIPLÔME NATIONAL D'INGÉNIEUR INFORMATIQUE
- NATIONAL APPLIED LICENSE DIPLOMAInstitut Supérieur d'Informatique2014DIPLÔME NATIONAL DE LICENCE APPLIQUEE