Freelancer profile translated to English.

Description

Operational Security Manager with proven expertise in operational security management and SOC (Security Operations Center) activities. I am involved in the implementation, management, and optimization of detection, incident response, and vulnerability management systems. My experience has allowed me to develop a strategic and operational vision of cybersecurity, combining active monitoring, crisis management, and continuous improvement of SecOps processes. With strong analytical skills, a keen sense of priorities, and a high capacity to collaborate with IT and business teams, I assist organizations in reducing their attack surface.

Industry field of expertise

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

Paris (up to 50km)

Mutuaide
Operational Security Manager
December 2024 - September 2025 (9 months)
Reporting to the BU's CISO, my responsibilities include:
- Managing Cybersecurity projects.
- Integrating logs into the SIEM.
- Analyzing detected vulnerabilities, prioritizing, and implementing remediation strategies.
- Auditing the backup infrastructure based on ANSSI and NIST recommendations.
- Auditing the network infrastructure based on ANSSI recommendations.
- Implementing a vulnerability tracking and management process.
- Managing security incidents.
- Overseeing internal security audits.
- Maintaining the anti-spam solution.
- Managing penetration testing campaigns.
- Reviewing and hardening security profiles at the WAF level.
- Hardening the web filtering policy.
SOC SIEM Penetration Testing Incident Response Security Incident Management
Harvest groupe
Deputy CISO / Operational Security and SOC Manager
October 2022 - December 2024 (2 years and 2 months)
Ile-of-France, France
Reporting to the group's CISO, my responsibilities include:
Managing security projects.
Defining the security roadmap in collaboration with the group's CISO. Deploying a SIEM.
Creating dashboards and search queries/tables for security audits and verifications on the SIEM.
Managing security incidents and change requests (flows, proxy, etc.).
Vulnerability and remediation management: configuring and monitoring Insight VM scans, tracking security bulletins, managing patches.
Hardening servers according to ANSSI and CIS Benchmark recommendations.
Performing second-level security controls on network and backup components, following ANSSI and NIST recommendations.
Deploying firewalls at group sites.
Deploying an anti-spam solution.
Analyzing incident reports and security alerts.
Managing penetration testing campaigns by certified PASSI auditors. Implementing an XDR solution.
Hardening web filtering.
Project Management Vulnerability Management PenTest Awareness SIEM
Prima-Solution
Security Engineer
June 2021 - September 2022 (1 year and 3 months)
Ile-of-France, France
Reporting to the group's CISO, my responsibilities include: Managing security projects. Deploying a SIEM in SaaS. Technical vulnerability management. Managing the CAB for IT security updates. Implementing DR tests. Implementing MFA on O365. Implementing SSO for SaaS applications. Hardening servers and user workstations according to ANSSI and CIS Benchmark recommendations. Hardening O365 (implementing DKIM, DMARC, and SPF, MFA). Managing security incidents. Overseeing internal security audits. Implementing a backup management policy. Analyzing incident reports and security alerts. Managing penetration tests by certified PASSI auditors. Deploying a PAM. Managing and drafting policies for SOC 1 and SOC 2 certification. Managing employee access.
Project Management Qualys Wallix WAF EDR