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Thomas SautierTS

Thomas Sautier

Expert Cybersecurity

€500/day
Nantes, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Thomas

My cybersecurity skills: audit, expertise, solution integration.

My skills in detail:
📝 Audit: SI architecture, configuration
🛠️ Integration of cybersecurity solutions and complex architecture design:
🛡 Firewalls: Fortinet, Palo Alto
🛡 WAF: F5
🌐 SD-WAN / SASE: Fortinet
👮 PAM / Administration Bastion: WALLIX
🖧 Load Balancing: F5

🥇 Certifications:
- Fortinet: FCPNS/FCSSNS & OTS
- F5: Administrator
- WALLIX: WCE
- EC-Council: CEH/CHFI v8

🛡 Fortinet products on which I have expertise:
- FortiGate
- FortiAnalyzer
- FortiManager
- FortiAuthenticator

🖧 F5 products on which I have expertise:
- LTM
- APM
- AWAF
- DNS

🛡 WALLIX products on which I have expertise:
- Bastion
- Access Manager
- Trustelem
  • French

    Native or bilingual

  • English

    Fluent

  • German

    Basic

Can work on-site
Nantes (up to 50km), Rennes (up to 50km), Angers (up to 50km), Niort (up to 50km)

Experience

  • SamHan
    Founder and Cybersecurity Expert
    July 2025 - Today (1 year and 1 month)
    Nantes, France
    Thomas is a recognized cybersecurity expert and the founder of SamHan. With over ten years of experience in designing, deploying, and auditing security solutions, he assists organizations in protecting their critical assets, from the network core to business applications.

    His areas of expertise include:

    • Security architecture and firewalls (Fortinet, F5)
    • Privileged access management (PAM - WALLIX)
    • VPN and remote access solutions with MFA
    • Load balancing and high availability for critical services
    • A graduate of the University of Technology of Troyes, Thomas holds F5 CTS ASM, Fortinet FCSS x3, and WALLIX Certified Expert certifications, attesting to his mastery of key market technologies.

    Passionate about innovation, he stays at the forefront of the latest trends to anticipate and neutralize tomorrow's threats. He offers a pragmatic approach, combining strategic consulting, technical implementation, and team training to ensure sustainable security.

    At SamHan, Thomas embodies the values of operational excellence, transparency, and continuous innovation, offering his clients a trusted partner to meet their most complex cybersecurity challenges.
    PAM F5 Audit Wallix Fortinet
  • IRONIE - Experts Cybersécurité
    Cybersecurity Architect
    April 2023 - May 2025 (2 years and 1 month)
    Nantes, France
    • TAM
    • Audit/Design/Build/Migration
    • Creation of deliverables, Audit, DAT, DEX, Acceptance testing, and CMDB updates
    • Level 3 incident management
    • Proactive security monitoring (Twitter/RSS etc.)
    • Scripting TCL/Python/Bash/Powershell/Jinja
  • Computacenter
    Security Architect
    October 2022 - April 2023 (6 months)
    Nantes, France
    • Audit/Design/Build/Migration
    • Creation of deliverables, Audit, DAT, DEX, Acceptance testing
    • Proactive security monitoring (Twitter/RSS etc.)
    • Scripting TCL/Python/Bash/Powershell

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Education

  • Master's Degree in Complex Systems Engineering – Information Systems Security
    University of Technology of Troyes
    2025
    Définir et mettre en œuvre la politique de sécurité Procéder à un audit des systèmes d'information et préconiser des évolutions Gérer les risques de l'entreprise dans le respect des réglementations (GDPR…) Conduire et accompagner des projets de sécurité des SI Mettre en place des techniques de sécurité afin de détecter des intrusions Organiser les processus de traitement et de gestion des incidents Mettre en œuvre le processus forensic Sécuriser les infrastructures réseaux et systèmes et les applications web Développer et promouvoir la politique auprès de tous les acteurs
  • Master's Degree Expert Consultant
    Global Knowledge / IPE Management School Paris
    2015
    • Cursus Ingénieur Systèmes et Virtualisation : - MCSE Server Infrastructure - MCSA Server 2012 - MCSA Office 365 - VMware vSphere v6 : Installation, Configuration et Administration - 341 Core Solutions of Microsoft Exchange Server 2013 - ISO 27001 Lead Implementer - ITIL v3 Foundation - IPECE Module du Consultant

Certifications

Skill set

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