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Sandra ZafiminaSZ

Sandra Zafimina

SDWAN Network Engineer

€500/day
Nantes, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Sandra

As a network engineer, I support companies in the implementation, optimization, and security of their infrastructures. I work in demanding environments where network reliability, availability, and performance are essential.

I can help you to:
• Carry out network migrations (LAN/WAN/Wi-Fi) and SD-WAN projects
• Administer and maintain your infrastructures (Cisco, Juniper, Alcatel, Fortinet…)
• Strengthen the security of your environments (firewalls, VLAN, VPN)
• Diagnose and quickly resolve N2/N3 incidents
• Design or improve your network architecture according to your business needs

My added value:
• A solution-oriented, clear, and efficient approach
• Great adaptability, even in complex or multi-site contexts
• Fluid communication that facilitates remote or on-site collaboration
• Rigorous, documented, and results-oriented services

Types of projects I handle:
• SD-WAN deployment and migration
• LAN/WAN/Wi-Fi infrastructure migration and optimization
• Network security implementation or strengthening
• Advanced support, troubleshooting, and incident resolution
• Network audit and improvement recommendations
  • French

    Native or bilingual

  • English

    Fluent

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

Experience

  • Orange Business
    SDWAN Network Engineer
    April 2025 - Today (1 year and 2 months)
    Antananarivo, Madagascar
    • • Managed SD-WAN migrations for +150 agencies
    • • Automation and industrialization of configurations (+150 devices)
    • • Multi-site WAN supervision and maintenance, remote coordination
  • Orange Business
    Deployment Network Engineer
    TELECOMMUNICATIONS
    December 2024 - March 2025 (3 months)
    Antananarivo, Madagascar
    • • N2/N3 support for multi-site network incidents in France
    • • Cisco, Juniper, OneAccess configuration
    . . validation of installations and migrations
    VPN LAN/WAN Load Balancing IPSEC IP/MPLS
  • Orange Business
    Network Specialist
    August 2022 - November 2024 (2 years and 3 months)
    Antananarivo, Madagascar
    • • Remote commissioning of +500 devices
    • • Remote technical assistance, N1/N2 support
    • • Network infrastructure management (routers, switches, Wi-Fi)

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Education

  • Certified Associate (FCA)
    Fortinet
    2024
    Certified Associate (FCA)
  • Certified Fundamentals
    Fortinet
    2024
    Certified Fundamentals

Skill set

Categories