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Karim Z.KZ

Karim Z.

IT Network & Helpdesk Specialist | Remote-Ready

€235/day
Marseille, FR
0-2 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Karim

Network technician and helpdesk specialist based in Marseille, I have been working in demanding IT environments since the beginning: N1/N2 support for on-site and remote users, administration of B2B network infrastructures, and deployment of complete telecom solutions.
My experience has exposed me to varied and concrete contexts — from a European institutional environment with strict security constraints, to field telecom missions involving the configuration of SIP trunks, 4G routers, VoIP LANs and WAN links for business clients.
What I bring concretely:
— Structured helpdesk support: incident resolution, documented follow-up, clear communication with users, adherence to intervention deadlines
— Operational network administration: configuration of routers, managed switches, firewalls, VPNs, and commissioning of VoIP services (SIP, IP telephony, VoIP LAN)
— Documentary rigor: every intervention is tracked, every configuration is documented — no black boxes
— Autonomy in remote work: accustomed to working in a distributed environment, I communicate proactively and do not disappear between deliverables
Technical environment mastered:
Cisco, 4G routers, managed switches, firewalls, SIP trunks, VoIP, VPN, LAN/WAN, Windows 10/11, Mac (basic support), network monitoring, ticketing
Currently pursuing a Professional License in Networks & Telecom at Aix-Marseille University — which allows me to combine field practice with continuous theoretical deepening.
Available for freelance missions remotely or in Marseille/PACA region.
  • French

    Native or bilingual

  • English

    Fluent

  • Spanish

    Conversational

Remote only
Primarily works remotely

Experience

  • BCIC Swiss GmBH | Best Connect International Company
    IT Specialist
    TECH
    August 2025 - Today (1 year)
    Marseille, France
    As part of the support team at BCIC Swiss GmbH, I provide N1/N2 IT support for the company's employees. I handle incident resolution related to Windows workstations, business software, local networks, and peripherals (printers, phones, screens). I am responsible for the installation, configuration, and preventive maintenance of equipment to ensure operational continuity. Each request is handled with responsiveness, documented, and tracked until full resolution, with clear communication to users.
    Ticketing Ticket Management IT Support Customer Service System Administration
  • European Commission
    IT Technician
    TECH
    September 2025 - Today (11 months)
    Marseille, France
    Within the European Commission in Marseille, I provide IT support for a mixed team of on-site and remote workers, in an institutional environment subject to high security and confidentiality requirements. My duties include N1/N2 incident resolution, configuration and deployment of Windows workstations, preventive park maintenance, as well as support for telephony and network peripherals. I work with rigor and method, ensuring documented follow-up of each intervention and communication adapted to various user profiles. Environment: Windows 10/11, mixed on-site/remote park management, network support
    IT Architecture Cybersecurity Incident Management System Administration Cable Pulling Networks
  • DB Telecom
    Network Technician / Network Administrator
    TECH
    November 2025 - January 2026 (2 months)
    Marseille, France
    At DB Telecom, I deployed and maintained network and telecom infrastructures for B2B clients in compliance with strict SLAs. My interventions covered the configuration of routers (including 4G routers), managed switches, firewalls, as well as the commissioning of VoIP services: SIP trunks, phone lines, and VoIP LAN management. I handled network incident monitoring, remote and on-site troubleshooting, as well as the drafting of technical documentation and intervention reports to ensure traceability and service continuity. Environment: Cisco/4G Routers, managed switches, firewalls, SIP trunks, VoIP, VPN, LAN/WAN, network monitoring
    Voice over IP (VoIP) Lucy SIP Trunk VPN TP Link

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Education

  • Professional License, Networks and Telecom
    Aix-Marseille University
    Licence professionnelle , Reseau et télécom Formation en alternance spécialisée dans les infrastructures réseaux et télécommunications. Au programme : administration réseau (LAN/WAN), protocoles de routage, sécurité des infrastructures, téléphonie IP et gestion de projets IT. Cette licence consolide une pratique terrain déjà acquise en entreprise avec une approche théorique structurée et des mises en situation professionnelles. Compétences développées : Architecture réseau, VoIP, sécurité périmétrique, supervision, documentation technique
  • Higher Technician Certificate (BTS), Cybersecurity BTS
    Aix-Marseille University
    2025
    Brevet de technicien supérieur (BTS), BTS Cybersécurité Formation de deux ans axée sur la sécurité des systèmes d'information et la protection des infrastructures numériques. Acquisition des fondamentaux en cryptographie, gestion des risques, sécurité réseau, analyse de vulnérabilités et réponse aux incidents. Formation complétée par des mises en pratique sur des environnements simulés et des projets en lien avec les problématiques de cybersécurité en entreprise.

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Skill set

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