Sylvain Denizet

Senior Cyber Security Engineer | ISO 27001

Salary / Daily rate

Munich, Germany

Freelance

Can come onsite

Skills

Cybersecurity

Languages

EnglishSpanishFrench

About me

Intro

Cybersecurity expert with 9+ years securing critical infrastructure for aerospace, government, and space agencies. Co-founded Golem Cybersecurity, previously led global security at MARSS Group implementing ISO 27001 ISMS and securing hybrid infrastructures. Specialized in risk analysis, security governance, and compliance for high-stakes environments.

Links

Work experience

Co-founder - Golem Cybersecurity

Golem Cybersecurity

Mar 2025 - Present

1 year 8 months

MARSS Group

Jan 2022 - Jul 2025

3 years 7 months

Munich, Germany

IT & Security Manager

Apr 2023 - Jul 2025

2 years 4 months

Munich, Germany

- Global security advisor for the group - Create and implement an information security management system (ISMS) compliant with ISO 27001 - Select, implement, and maintain a cloud-based mobile device management (MDM) solution - Select, implement, and maintain a cloud-based identity and access management (IAM) solution - Securely manage an hybrid IT infrastructure - Provide security awareness training for employees

Information Security Officer

Jan 2022 - May 2023

1 year 5 months

Munich, Germany

Cyber Security Engineer (Contractor)

European Space Agency - ESA

Dec 2020 - Dec 2021

1 year 1 month

Noordwijk, Netherlands

Cyber Security Engineer

Thales

Oct 2020 - Dec 2021

1 year 3 months

Network and system engineer South America

Direction générale du Trésor (French Treasury)

Sep 2018 - Oct 2020

2 years 2 months

French, Provincia de Buenos Aires, Argentina

Apprentice - Corporate Security

Airbus Helicopters

Oct 2015 - Oct 2018

3 years 1 month

Région de Marseille, France

Creation and deployment of the Security Management System of Airbus Helicopters : - Security Governance (Security Policy, requirements, guides,...) - Integration of security on business processes - Awareness about Security Best Practices Support CISO : - Procedure definition for information classification - Support Helicopters programs for compliance including advices and expertise - Crypto keys management - Deployment of software solution for sensitive information protection Project leader of risks analysis about EAS (Entreprise Automation Systems): - EBIOS methodology - LBIP+ project methodology - Multi-site project - Management and control of risks Two months mission on diverse country (Australia, New-Zealand, Indonesia, Malaysia, Philippines) : - Security awareness - Communication about Product Security - Security state-of-the-art

Apprentice - Network and System Administrator

CDG 74

Sep 2013 - Oct 2015

2 years 2 months

Seynod

- Helpdesk - Core network renewal - WIFI network renewal (double SSID, authentification by captiv portal,...) - Supervision network tools deployment (Nagios, centreon) - Migration, virtualisation


Education

IMT Nord Europe

Diplôme d'ingénieur

2015 - 2018

4 years

IUT Annecy

DUT Réseaux et Télécomunications

2013 - 2015

3 years

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