You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Malt Strategy
New report
Malt Tech Trends 2026
Steven RizzottoSR

Steven Rizzotto

Architect / Consultant Network Security

€780/day
Paris, FR
8-15 years
IT Architecture
Firewalling
Wifi
IT Security
Cisco Networking

Average response time: 1 hour

Freelancer profile translated to English.
Back to original language

About Steven

Network & Security Architect | Expert Network Security, Firewalling, Wi-Fi & Load Balancing

I support companies in the design, security, and optimization of their critical network infrastructures.

Specializing in Network and Security, I design secure architectures that primarily serve the business (SABSA approach)

🔧 Main Expertise:

Network Security (segmentation, Zero Trust, hardening)
Firewalling (design, deployment, rule optimization)
Wi-Fi (design, coverage, optimization, high density)
Load Balancing
Proxy
SASE
ZTNA
Run
Documentation

🔐 Complementary Skills:

Cybersecurity (risk analysis, overall security)
Cloud (network integration, security of hybrid environments)

🚀 Goal
I am pursuing CISSP certification soon.

Available for architecture, technical expertise, and infrastructure optimization missions.

  • English

    Fluent

  • Spanish

    Conversational

Can work on-site
Paris (up to 20km)

Experience

  • Nexans / Lynxeo
    Network & Security Architect / Consultant
    November 2024 - Today (1 year and 7 months)
    La Défense, France
    Presentations to business units of selected technical solutions. Architecture: On-site audit / design study / validation and implementation of architectures for about thirty Sites/Factories and participation in architecture committees and Quotes - ISO 27001 Cybersecurity Compliance IT and OT. Implementation of the global HQ architecture from scratch. Python scripting for industrialization (backup/SNMP...). LAN Refresh of 30 sites: industrial sites and offices in Industry 4.0. Participation in Cybersecurity projects (IAM, NIS2, XDR CORTEX...). WIFI: study and operation (Implementation of CORP/GUEST and Industrial SSIDs). Worldwide IP Plan migration according to our standards. CAB representative for network and security / ZERO ZTNA Azure operation.
    Cisco Meraki Zscaler Cisco Fortinet IT/OT
  • Ministère de la santé
    Security Engineer
    September 2021 - November 2024 (3 years and 2 months)
    15th arrondissement, 75015 Paris, France
    Upgrade of all our firewalls and managers (Checkpoint & Palo Alto). Implementation of IPsec VPNs with our partners. Vulnerability scanning and reporting on the IS. Management of internal and external certificates. Staging and hardening of firewalls. Management of WAF (ASM) policies. Implementation of IPS/anti-bot policies on our Checkpoints. Level 2 and 3 administration on our F5 Viprion (ASM/APM/LTM). Management of anti-virus and EDR solutions. Design and definition of the Panorama architecture (Palo Alto). Level 3 RUN. Operation via Terraform on our OVH Cloud infrastructure. Documentation HLD/LLD /DAT /DEX. Management of a team of 4 level 2 engineers. NIST/OWASP/ISO27001 standards.
    Technical environment: Checkpoint, Juniper, Palo Alto, Stormshield, F5 Viprion LTM ASM APM, Proofpoint, Nessus, Splunk, Zabbix, Algosec, OVH, Terraform.
    F5 BigIP Checkpoint Fortinet Nessus Splunk
  • Société Générale
    Network Security Consultant
    July 2020 - September 2021 (1 year and 2 months)
    Val de Fontenay, 94120 Fontenay-sous-Bois, France
    Project management for partner infrastructures (SI Mergers). Security of monetary flows under PCI DSS standard. Staging and hardening of network security equipment. Migration and deployment of Firewalls for ATM management. Patching and upgrade plan for security equipment. Merger of Crédit du Nord and Société Générale SIs. Level 3 RUN. Documentation HLD/LLD/DEX/DAT.
    Technical environment: Cisco and Nexus 9K 2K - Checkpoint - Fortinet (FMG, FAZ), F5 LTM APM, BGP, Shiken - Citrix Netscaler.
    Cisco Nexus Fortinet Checkpoint Netscaler Cisco
Check out Steven's experience

Recommendations

Be the first to recommend Steven

Help this freelancer shine by sharing your experience working together.

These freelancer profiles also match your criteria

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Signup to reveal

Education

  • CISCO CCNA Routing & Switching CCNA Security CCNP Level CISCO ISE (SISE) Fortinet NSE4 Project Management Prince 2 Foundation Cloud AWS Practitioner Cybersecurity CISSP
    CISCO CCNA Routing & Switching CCNA Security Niveau CCNP CISCO ISE (SISE) Fortinet NSE4 Gestion de projet Prince 2 Foundation Cloud AWS Practicionner Cybersecurity CISSP
  • Information Systems Management Diploma
    EXIA
    2014
    Diplôme Management des systèmes d'information
Check out Steven's education

Categories