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Mathieu SingerMS

Mathieu Singer

Security Engineer

€750/day
Marseille 8e Arrondissement, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Mathieu

Former student of IUT in Networks & Telecommunications, then of the Professional Bachelor's Degree "Cyber Defense, Anti-Intrusion of Information Systems" and the Master's Degree "Expert in Digital Security".

My professional experience began with an apprenticeship for two and a half years internally at Capgemini as a Network & Security Administrator.
My tasks mainly involved deploying LAN networks (Wi-Fi, Switching, Firewalling).

After my apprenticeship, the desire to discover new horizons led me to travel in Europe:

- First in Germany, in Berlin, where for a year and a half I joined the staff of the marketing company Divimove GmbH (now renamed "We Are Era GmbH", belonging to RTL Group) as a Security Engineer in several areas:
- Security maturity assessment
- Device hardening (Windows Servers (Domain Controller, IIS), Linux (Debian), Windows 10)
- Deployment and interconnection of LAN networks (Wi-Fi, Switching, Firewalling)
- Setup and deployment of a client VPN
- Setup of a SIEM
- Setup of a Vulnerability Scanner
- Setup of an EDR

- Secondly in Switzerland, in Biel, as an Operations Security Engineer at SwatchGroup Services Ltd for one year.
This subsidiary of the prestigious watchmaking group Swatchgroup is in charge of shared IT services for all subsidiaries.
I was able to discover new products and deepen new skills by working on incidents/service requests on the following technologies:
- Email security (Gateways, Encryption)
- Reverse/Forward Proxies
- Datacenter & Internet Firewalls
- S2S VPN
- Antivirus (Client & Server)
- EDR

Today I have returned to the south of France and work as a network security engineer for Verizon.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Marseille 8e Arrondissement (up to 50km)

Experience

  • Verizon Business Solutions (France)
    Network Security Engineer
    TELECOMMUNICATIONS
    November 2022 - Today (3 years and 6 months)
    Marseille, France
  • The Swatchgroup Services Ltd
    Security Operation Engineer
    LUXURY GOODS
    June 2021 - July 2022 (1 year and 2 months)
    Bienne, Switzerland
    - Incident management (N2)
    - Management of security infrastructures, including: NGFW (Internal and External), Reverse & Forward Proxies, S2S-VPN, SSLVPN, AV, EDR, Email Gateway, Email Encryption
    - Maintenance and upgrades of the above equipment
    - Implementation of firewall rules for production server migrations
    - Review of security flow diagrams
    Firewall EDR Antivirus Email Proxy
  • Divimove GmbH
    Junior Security Engineer
    PRESS AND MEDIA
    January 2020 - May 2021 (1 year and 5 months)
    Berlin, Germany
    - Audit of the IT system's security status
    - Design and Configuration of Firewalls/Routers/Switches/AccessPoints for 6 sites
    - Vulnerability scanning & Server remediation
    - Installation of the supervision system
    - Splunk integration
    Fortinet Splunk Cisco Ubiquiti

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Education

  • Master Expert in Digital Security
    Aston Lille
    2019
  • Professional Bachelor's Degree Cyber Defense Anti Intrusion of Information Systems
    University of Valenciennes and Hainaut-Cambrésis
    2018

Certifications

Skill set

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