Jacob Dufossé — Junior Cybersecurity Engineer

Network Automation & Security

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Professional Summary

Junior cybersecurity engineer with over a year of hands-on experience in network security at Orange Réunion, after 12+ years working in international creative technology roles (Montreal, Australia, France). Trained by Orange CyberDefense on Palo Alto NGFW, Panorama, and IPS/IDS. Strong background in Python automation for threat detection and operational workflows. Early adopter of AI-assisted development in cybersecurity.

Pursuing a Master’s in Network & Security (2025–2027, fully remote). Open to part-time/apprenticeship roles (2w work / 2w study), or full-time positions — with flexibility to defer studies for the right opportunity.

Education

  • Master’s in Network & Security (2025-2027) | University of Reims, France
  • Bachelor in Network & Telecommunications - Cybersecurity Track (2023-2025)
    University of La Réunion, France | Graduated Top of Class | ANSSI SecNumEdu certified
  • Bachelor of Arts in Design and Visual Experience (2006-2009) | Université du Québec à Montréal, Canada
  • Associate Degree in Electrical Engineering & Industrial Computing (2000-2002) | IUT Paul Sabatier, France

Experience

Junior Network & Security Engineer | Orange Réunion | Sep 2024 – Present

Trained by Orange CyberDefense

  • Production Infrastructure: Administered Palo Alto firewalls (PAN-OS, Panorama), managed SSL/TLS certificates, Responded to Level 2 incidents and performed advanced network troubleshooting, Documented configurations and operational procedures

  • Security Operations: Deployed and fine-tuned IPS/IDS modules (Palo Alto), performed DoS protection tuning, Built Python tools for dynamic threat intelligence (EDL, IOC ingestion, IP blocking/exclusion), Analyzed firewall and system logs for threat detection and response (Loki, Grafana, Centreon)

  • Network Operations: Managed multi-vendor infrastructure (Cisco, Juniper, Fortinet, F5 load balancers), Handled network flows, ACLs and change management, Contributed to documentation and compliance best practices

Cybersecurity Intern – Governance & Penetration Testing | SOOBIK Solutions | Apr - Jul 2024

  • Conducted internal audit and led documentation for French “ExpertCyber” certification (aligned with ISO 27001, NIST, PASSI standards)

  • Performed basic web application pentesting (OWASP Top 10, Burp Suite, Kali Linux)

SEO and Web Performance consultant | Freelance | 2020 - 2023

  • Automated business workflows and improved site performance (SEO, Core Web Vitals)

  • Analyzed data and advised SMBs using Google Analytics, SEMrush, and Google Search Console

Immersive Media Consultant | Freelance (France & Canada) — 2009–2017

  • Creative coding (nodal environments, Python, Arduino), interactive prototyping, technical direction

Skills

Professional Experience (Production Environment)

Firewalls: Palo Alto Networks (NGFW, Panorama, ATP), Fortinet • Network security: routing, VLANs, BGP, certificate management • Security Monitoring: Palo Alto IPS/IDS, Centreon, threat intelligence APIs • Languages: Python automation & API integration, Bash scripting • AI: AI-assisted software development • NetOps: GitLab, version control, audit trails • Protocols: TCP/IP, SSL/TLS

Academic & Lab Experience

SIEM: Wazuh • IPS/IDS: CrowdSec, Snort • Incident Management: thehive and cortex (basic operational experience) • SOAR: N8N • Virtualization: VMware ESXi, vSphere • Operating Systems: Linux (advanced) • Database: SQL, PostgreSQL • Firewall: OPNsense, Stormshield (basic operational experience), Cisco Meraki (introductory)

Currently Learning (2025)

GitOps: Advanced CI/CD pipelines, containerization • Infrastructure as Code: Terraform, Ansible automation • Cloud Security: AWS/GCP security frameworks and best practices

Familiar with (Theoretical Knowledge)

EBIOS Risk Management • ISO 27001 Security Governance & PASSI Compliance (academic training)

Soft Skills

Analytical thinking, collaboration, self-learning, clear documentation

Projects

Googlebots Automation & Dynamic Threat Exclusion (Production) | Orange Réunion – 2025

  • Eliminated manual firewall security rules maintenance (1-2 hours/week → 0)
  • Automated IP whitelisting with Python, Palo Alto EDL, GitLab CI, and secure VM infrastructure
  • AI-assisted development with version control and audit trails

Python Threat Intelligence Tool (Production) | Orange Réunion – 2025

  • Reduced threat analysis time from hours to < 10 minutes per cycle
  • Multi-algorithm threat detection, attacker scoring, automated IP blocklists generation, forensic reports

Palo Alto NGFW Advanced IPS/IDS Deployment (Production) | Orange Réunion – 2024

  • 40% reduction in medium-severity international threats
  • SSL/TLS decryption, CVE monitoring, DoS protection, Panorama centralized management

Open Source SOC Infrastructure (Academic) | IUT La Réunion - 2024

  • Enterprise-grade SOC capabilities at zero licensing cost
  • Wazuh SIEM, Zabbix, CrowdSec, OPNsense, Grafana

Detailed projects available at: jacobdufosse.dev

Certifications

  • Rice University Python Programming (2024)
  • Google IT Security & Infrastructure (2023)
  • ANSSI Cybersecurity MOOC (SecNumAcademy) (2023)
  • SQL/PostgreSQL Database Management (2023)

Additional Information

Languages: French (Native), English Fluent (C2 Professional proficiency - 12+ years international experience)

Mobility: Proven international mobility (Australia, Canada) | Open to international, remote, or hybrid roles

Interests: Emerging technologies (quantum computing, AI, cybersecurity), global affairs, yoga instruction (10+ years), Brazilian Jiu-Jitsu