Jean-René Guérin

System Admin & SOC Analyst
Cybersecurity
DevOps
Cloud

Expert in securing infrastructures, monitoring systems, and mitigating threats. Passionate about automation, cloud security, and proactive defense strategies.

99.9%
Uptime
15min
Avg Response
200+
Systems Managed
350+
Threats Mitigated
Monitoring system: Online

Projects & Certifications

Enterprise Network Hardening

Implemented advanced firewall rules and IDS systems reducing unauthorized access attempts by 80%.

Cloud Security Automation

Developed AWS Lambda scripts to automatically detect and isolate compromised EC2 instances.

SIEM Optimization

Configured and optimized Splunk dashboards for real-time alerting and faster incident triage.

Certifications

✅ CompTIA Security+
✅ AWS Certified Security
✅ Cisco CCNA Cyber Ops

Certification EBIOS RM

Certificat EBIOS Risk Manager