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Nassim S.NS

Nassim S.

IT Consultant/Trainer

€600/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Nassim

🧑‍💻 IT Consultant / Trainer – Networks, Linux & ITIL

IT consultant and trainer with strong expertise innetworks (Cisco, Aruba, Ruckus, Huawei), Linux systemsand ITIL-based IT service management.

Currently N2 Technical Support Coordinator, I am involved in operations to improve the performance of support teams, reduce recurring incidents, and structure IT services in complex environments (multi-site, managed WiFi, WAN, monitoring).


🎯 What I bring

IT Process Improvement (ITIL)

Implementation of workflows, reduction of N1/N2/N3 ping-pong, structuring of escalations, and optimization of resolution cycles.

Network Expertise & Advanced Troubleshooting

Diagnosis of complex issues (WiFi, LAN, WAN, saturation, QoS), log analysis, network monitoring.

Training & Skill Development

Creation of training materials, delivery of technical (network/Linux) and methodological (ITIL, support best practices) training.

Automation & Structuring

Industrialization of tasks (templates, scripts, tools like n8n), improvement of ticket and diagnostic quality.

🛠️ Key Skills

  • Networks: Cisco, Aruba, Ruckus, Huawei, Juniper
  • Managed WiFi / NAC / VLAN / WAN
  • Linux (administration, troubleshooting, scripting)
  • ITIL v4 (certified) – Incident, Problem, Continual Improvement
  • Tools: Monitoring, KPI analysis, ticketing (Salesforce type), automation (n8n)
💼 Types of missions sought:

  • Network / Linux / ITIL Trainer
  • IT Process Improvement Consultant (support, NOC, RUN)
  • Network Infrastructure Audit & Optimization
  • Implementation of ITIL Best Practices
  • Structuring / Industrialization of Technical Support
  • French

    Native or bilingual

  • English

    Conversational

  • Arabic

    Fluent

Can work on-site
Paris (up to 50km)

Experience

  • Diginet
    N2 Coordinator
    TELECOMMUNICATIONS
    June 2024 - Today (2 years)
    Paris, France
    N2 Technical Support Coordinator / Operations Improvement Consultant

    🎯 Mission Context

    Engaged with a B2B WiFi operator managing complex network infrastructures (hospitality, residences, campuses, etc.), with significant challenges in service quality, incident volume, and operational performance.

    🔧 Key Achievements

    Optimization of N1 → N2 → N3 Processes

    → Reduction of ping-pong through the implementation of qualification templates and clear escalation criteria

    Root Cause Analysis and Treatment (Problem Management)

    → Identification of structural causes (WAN saturation, cabling defects, hardware obsolescence, etc.)
    → Implementation of action plans with technical and business teams

    Network Performance Improvement

    → Advanced WiFi/LAN/WAN diagnostics (saturation, QoS, user density)
    → Support for upgrade decisions (e.g., fiber capacity increase)

    Support Industrialization

    → Creation of N2 diagnostic templates
    → Implementation of site-specific knowledge bases (hotspots)
    → Automation of tasks via tools (e.g., documentation generation, ticket structuring)

    Training & Support
    → Writing of over 50 technical processes and procedures
    → Skill development for N1/N2 teams
    → Structuring of technical and ITIL best practices

    🛠️ Technical Environment
    • Networks: Cisco, Aruba, Ruckus, Huawei, Juniper
    • Managed WiFi, VLAN, WAN, NAC
    • Systems: Linux
    • Tools: Salesforce, network monitoring (KPIs), automation (n8n), Google Workspace
    • Methodology: ITIL v4 (Incident, Problem, Continual Improvement)
    📈 Results
    • Decrease in unnecessary escalations to N2
    • Improvement in ticket quality and diagnostics
    • Backlog reduction through targeted actions (Task Force)
    • Better business decision-making (network sizing)
    ITIL V4 Cisco Meraki Ruckus WiFi LAN/WAN
  • HOPITAL EUROPEEN DE PARIS GVM CARE & RESEARCH
    RSSI Assistant / Network System Administrator
    HEALTH AND WELLNESS
    October 2022 - January 2024 (1 year and 3 months)
    Bd Périphérique, Paris, France
    Missions and Achievements:
    - Participation in a complete on-premise infrastructure renovation project
    - Cloud Services Implementation (Azure)
    - Implementation of technical procedures
    - Active Directory Management (GPO, Users, etc.)
    - N2/N3 Support
    - Virtualized Infrastructure Administration (VMware, ESXi, vCenter)
    - Nutanix Administration
    - Firewall Security Tool Administration (Fortinet) / EDR
    - Network Administration (Cisco, Aruba)
    - WiFi Network Administration (Cisco, Aruba)
    - Knowledge of security standards and ANSSI standards.
    - Technological watch
    - Ticketing Tool Management (easyvista)
    - Infrastructure Monitoring (serviceNav)
    Active Directory Cybersecurity Monitoring Network Administration
  • SEWAN GROUPE
    Network VOIP Administrator
    TELECOMMUNICATIONS
    September 2020 - September 2022 (2 years)
    Montpellier, France
    Deployment and N1 Support for Network/VoIP
    - Monitoring and planning of interventions in the incident management tool (Tipi/Dynamics 365/Jira)
    - Network analysis and troubleshooting (One access/Mikrotik/Technicolor), and telephony (SIP/RTP protocol) (Wireshark)
    - Assistance in commissioning Trunks and hosted telephony
    - Provisioning of telephony equipment: Cisco/Yealink/Polycom/ Astra, Gigaset.
    - Excellent written and oral communication in customer relations.
    - Excellent command of the Sophia and Contact experience platform
    Network Administration Voice over IP (VoIP) SIP Trunk Centrex

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Education

  • Master of Science in Administration
    IPSSI
    2023
    Master Administrateur Systèmes et Réseaux, Cloud et Sécurité
  • Preparation for CCNA certification
    cefiac
    2020
    Préparation à la certification CCNA

Certifications

  • ITIL V4
    people Cert
    Process Optimization Change Management ITIL V4 Problem Management Incident Management

Skill set

Categories