Freelancer profile translated to English.
Back to original languageAbout Guillaume
Shared IT Department | IT Governance | ISO 27001 | NIS2 | Infrastructure Transformation
With over 20 years of experience in information systems, I support SMEs and organizations in structuring, securing, and evolving their IT systems.
My approach combines strategic vision and operational expertise to help leaders make the right decisions on their digital challenges.
I am involved in:
Part-time IT Director: structuring IT governance, managing service providers, digital roadmap, implementing processes
Compliance and risk management: ISO 27001 support, NIS2 preparation, implementing good security practices
Infrastructure modernization: cloud, rationalization of IT environments, improving system resilience
IT Audit and Diagnosis: maturity analysis, risk identification, and operational recommendations
My goal: to provide leaders with a clear vision and informed decisions on their IT systems, without unnecessary complexity.
French
Native or bilingual
English
Conversational
Can work on-site
Valbonne (up to 50km)
Experience
- ESN FrançaisePublic & Sovereign Cloud ManagerJuly 2024 - January 2026 (1 year and 6 months)• Responsible for a team• Responsible for the build and expertise on new structuring projects for our clients (Sovereign, SNC, HDS)• Responsible for private and public cloud offerings• Billing management, monitoring, forecasting & execution• Participate in the development of the project's progress plan & financial optimization• Costing for new deals and Expansion• Contribute to project security• Enforce and ensure compliance with ISPS requirements• Integration of ISMS security into new deals & projects (ISO27001, SNC, HDS, NIS2, GDPR)• Project risk analysis• ISMS security training plan• NIS2 consulting for clients
- ESN FrançaiseSovereign Platform ManagerMarch 2019 - July 2024 (5 years and 4 months)• Work on crisis management• Contribute to the construction of a crisis management plan• Contribute to the construction of crisis management exercises• Ensure the management of incident crises• Contribute to project security• Ensure compliance with good practices and security standards (ISO27001, SNC, GDPR)• Enforce and ensure compliance with ISPS requirements• ISMS security training plan• Participation in ISO27001 security audits
- SQUADIT DEPARTMENT DIRECTORSeptember 2018 - March 2019 (6 months)Responsible for the infrastructure and its ISContribute to the drafting of the information system security policy• - Ensure the proper functioning of existing security measures and verify, in particular, that they are correctly applied and effective• - Coordinate crisis management during security incidents• - Implementation of security policies• - Implementation of document management/CMDB• - Conduct technological watch to adapt security measures to new threats• - Conduct vulnerability watch to prevent attacks exploiting known ones• - Lead security awareness actions for the IS, in accordance with established procedures• - Participation as a contributor in audits• - ISMS security training plan
Recommendations
Be the first to recommend Guillaume
Help this freelancer shine by sharing your experience working together.
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Education
- ISO27001 & NIS2 & ISO270052025ISO27001 & NIS2 & ISO27005
- MANAGEMENT PATH2024PARCOURS MANAGEMENT