Freelancer profile translated to English.
Back to original languageAbout Assil
Senior Systems & Networks Engineer with 10+ years of experience in the administration, operation, and evolution of critical infrastructures with high availability requirements, primarily in the banking, healthcare, and industrial sectors.
Proven expertise in VMware / Citrix virtual environments, Windows Server infrastructures, Active Directory, backup and business continuity (DRP/BCP), monitoring, multi-site networks, and L2/L3 production support.
My experience covers the entire infrastructure lifecycle:
• BUILD: deployment, migration, integration, technical coordination
• RUN / MCO: operation, monitoring, critical incidents, optimization
• Expert support: complex diagnostics, crisis management, client communication
• Field: multi-site deployments, data center and technical room interventions
Accustomed to sensitive contexts requiring rigor, autonomy, service orientation, and strong adaptability.
Immediately available – Île-de-France mobility
Key skills:
VMware • Citrix • Windows Server • Active Directory • Veeam • NetApp • PowerShell • LAN/WAN/VLAN/VPN • DRP/BCP • ITIL • Monitoring • L2/L3 Support • Critical Infrastructure
French
Native or bilingual
English
Basic
Can work on-site
Voisins-le-Bretonneux (up to 30km), Paris (up to 30km)
Experience
- Pôle Santé Pluridisciplinaire – Sainte-MaximeSystems and Network Engineer – IT Deployment for Healthcare HubMEDICALSeptember 2025 - February 2026 (5 months)Sainte-Maxime, FranceContext:Creation of a multidisciplinary healthcare hub (gynecology, ENT, dentistry, ophthalmology) requiring the complete deployment of secure, GDPR-compliant IT infrastructures with a tight schedule.Responsibilities & Achievements:• Design and complete deployment of multi-specialty IT infrastructures• Windows Server / Active Directory Administration• Deployment of workstations, LAN/Wi-Fi, biomedical equipment• User support and assistance to business teams in using IT tools• Improvement of user experience in production environments• Multi-stakeholder coordinationResults and impacts: Complete go-live within deadlines Secure and GDPR-compliant infrastructureTechnical environment:Windows Server, Active Directory, GPO, DHCP, SMB, NTFS, LAN, Wi-Fi, Workstations
- NOVEO CARENetwork Engineer – Multi-Site Projects & MigrationBANKING AND INSURANCEMarch 2025 - June 2025 (3 months)Chartres, FranceContext:Critical project to disentangle a multi-site network infrastructure (12 sites) with an imminent IT service end-of-life. The risk of hardware delivery delays, combined with a busy holiday period (May 2025), directly threatened business continuity.Responsibilities & Achievements:• Technical inventory of the existing infrastructure (core network equipment, shared services)• Planning and management of migrations during off-peak hours (HNO)• Reconfiguration of equipment (switches, Wi-Fi controller, access points, routers, servers)• Multi-stakeholder coordination and client reportingResults and impacts: Negotiation and adherence to milestones and deadlines Successful migration of all 12 sites without major service interruption within the deadlines Maintenance of business continuity despite constraintsTechnical environment:Cisco, Meraki, VLAN, IPSec/SSL VPN, NAT, DNS, DHCP, network monitoring
- MMSantéSystems and Network Engineer – Multi-Site Healthcare EnvironmentMEDICALSeptember 2024 - February 2025 (5 months)Issoudun, FranceContext:Multi-site IT deployment for healthcare facilities, with strict requirements for medical data security and GDPR compliance.Responsibilities & Achievements:• Administration and maintenance of Windows servers in production• Active Directory management (accounts, GPO, security policies)• Deployment of LAN/VLAN network infrastructures• L2/L3 user support for business tools and telemedicineResults and impacts: Go-live of 5 sites within deadlines Complete security of infrastructures and patient data Cost optimizationTechnical environment:Windows Server, AD, LAN, VLAN, Wi-Fi, NAS, SMB, NTFS, Workstations, printers, monitoring, remote maintenance, telemedicine tools
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Education
- Master's degree in Information Systems for Banks and InsuranceITESCIA2012Objectifs de la formation Former des professionnels capables de : Comprendre et gérer les systèmes d’information spécifiques au secteur bancaire et assurantiel. Concevoir, développer et sécuriser des applications et des infrastructures informatiques adaptées aux besoins des institutions financières. Maîtriser la réglementation, la conformité et la gestion des risques liés aux systèmes d’information. Analyser et exploiter les données pour soutenir la prise de décision stratégique. Compétences visées À l’issue du Master, l’étudiant sera capable de : Administrer et sécuriser des systèmes d’information bancaires et assurantiels. Développer des applications métiers pour la finance et l’assurance. Gérer des projets informatiques complexes dans un environnement réglementé. Mettre en œuvre des solutions de Business Intelligence et de Big Data adaptées au secteur financier. Comprendre les enjeux de la cybersécurité dans les banques et les compagnies d’assurance.
- Master's degree in Systems & Networks EngineeringUniversity of Versailles2011Programme type 1. Administration systèmes Serveurs Windows et Linux Virtualisation (VMware, Hyper-V, KVM) Stockage et solutions NAS/SAN Automatisation et scripting (PowerShell, Bash, Python) 2. Réseaux et sécurité LAN, WAN, VLAN, VPN, routage et commutation Protocoles TCP/IP, DNS, DHCP, NAT Firewalls, IDS/IPS, sécurité réseau Supervision et monitoring 3. Technologies avancées Cloud computing (Azure, AWS, Google Cloud) Conteneurs et orchestration (Docker, Kubernetes) Haute disponibilité et tolérance aux pannes Gestion de projets IT et ITIL 4. Projet de fin d’études et stage Projet d’ingénierie réseau ou systèmes en entreprise Stage pratique de 4 à 6 mois pour appliquer les compétences techniques Débouchés professionnels Les diplômés peuvent occuper des postes tels que : Ingénieur systèmes et réseaux Administrateur systèmes et réseaux senior Architecte cloud ou réseaux Consultant en infrastructure IT Responsable sécurité des systèmes d’information (RSSI)