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Jérémy MansoJM

Average response time: 24 hours

Freelancer profile translated to English.
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About Jérémy

Cybersecurity Engineer | Freelance Missions on the Side


Cybersecurity engineer with over 3 years of corporate experience, I offer targeted freelance services to support SMEs and mid-sized companies with their IT security challenges.

What I Offer:
  • External Footprint Audit — Analysis of your online asset exposure (websites, subdomains, information leaks), providing a report with an overall security score and action priorities.
  • Awareness Training — Design of simulated phishing campaigns and e-learning modules to instill good practices within your teams.
  • Risk Analysis — Identification and assessment of your cyber risks using the EBIOS RM methodology, with a treatment plan tailored to your context.
  • Governance Support — Structuring your security policy, defining roles and responsibilities, implementing a committee structure.
  • Incident Management — Designing your response procedures and quick reference guides.
Why Work With Me?

My freelance work directly leverages my daily practice as a permanent cybersecurity engineer. I offer concrete services that I apply in my corporate role every day. I am also CompTIA Security+ certified and am currently preparing for the CEH (Certified Ethical Hacker) certification, which I will take this year.

Available evenings and weekends, I adapt to your constraints for one-off or recurring missions.
  • French

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • Artelia
    Cybersecurity Engineer
    ARCHITECTURE AND URBAN PLANNING
    October 2022 - Today (3 years and 8 months)
    Échirolles, France
    Operational Security and Vulnerability Management:
    • Vulnerability management (CVE) and patch tracking
    • Deployment and administration of an Endpoint Detection & Response (EDR)
    • Cybersecurity incident response and forensic analysis
    • External footprint audits
    • Information leak detection (Clear, Deep & Dark web)
    • Password auditing and authentication policy strengthening
    Prevention, Training, and Awareness:
    • Launch and monitoring of phishing campaigns
    • Creation of cybersecurity awareness training for employees
    • Documentation and dissemination of security best practices
    • Monitoring of new threats
    Governance:
    • Definition and review of various policies (PSSI, charters)
    • Monitoring of security KPIs and events
    • Compliance audits
    Cybersecurity Awareness Cybersecurity Audit Cybersecurity Governance Vulnerability Management EDR
  • Inria
    Systems Engineer
    RESEARCH
    September 2020 - August 2022 (1 year and 11 months)
    Grenoble, France
    • Study and implementation of application firewalls (ModSecurity, proprietary solutions)
    • Supervision and monitoring of web services via Nagios
    • Maintenance and optimization of network and server infrastructure
    • Automation of infrastructure management with Puppet
    • Configuration and deployment management via SVN or GIT
    • Documentation and continuous improvement of administration processes
    System Administration Web Security WAF Linux Administration
  • Université Grenoble Alpes
    Systems Administrator
    EDUCATION AND E-LEARNING
    September 2019 - August 2020 (11 months)
    Grenoble, France
    • Administration and optimization of a Kubernetes cluster
    • Management of application deployments and scalability on Kubernetes
    • Application containerization with Docker
    • Automation of deployments via CI/CD pipelines
    • Analysis of Docker image vulnerabilities
    • Windows / Linux system administration
    System Administration Network Administration Virtualization Automation Docker

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Education

  • Master's Degree
    EPSI - The IT Engineering School
    2022
    Titre RNCP niveau 7 : Expert en informatique et systèmes d'information, spécialisation cybersécurité
  • Bachelor's Degree
    EPSI - The IT Engineering School
    2020
    Titre RNCP niveau 6 : Administrateur systèmes, réseaux et bases de données

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