Context and objective of the mission: To support and coach business and infrastructure projects in the integration of security, with strong expertise in the security of architectures.Main Responsibilities • Support and advise business and infrastructure projects in the security integration process. • Conduct security and risk analyses, gather the information necessary to assess the information system's security level, and then formalize and prioritize recommendations. • Evaluate and validate the security of technical architectures and architecture documentation (DAT, three-tier models, segmentation, API security, security relays, etc.). • Design and evaluate secure infrastructures for application hosting, particularly regarding perimeter security. • Analyze the security of AWS, Azure, and GCP PaaS services and define security requirements for the relevant environments. • Define secure architecture models for public cloud providers. • Write security guides and standards and present analyses to stakeholders. • Work closely with IT, infrastructure, support, and first- and second-line security teams (LOD1 and LOD2). • Present complex topics in a concise manner to strategic and managerial committees (CDG, COSTRAT, etc.).Required Skills and Expertise: • Security Approach in Projects: Expert level; mastery of the process of integrating security into projects. • Security and Risk Analysis: Expert level; conducting structured assessments, formulating and prioritizing recommendations. • Security Infrastructure and Architecture: Advanced level; mastery of secure application and infrastructure architectures. • Public Cloud: Mastery of AWS, Azure, and GCP security architectures and mechanisms, including PaaS service analysis and secure architecture models.Security areas to master : • Network security: firewalls, IPS/IDS, and perimeter security. • Identity and access management: IAM, Active Directory, and LDAP directories. • System security: vulnerability analysis, antimalware, EDR, and hardening. • Public cloud and Microsoft 365 security: security policies, CSPM, etc. • Container security and architecture: Docker, OpenShift, Kubernetes, Podman, etc. • Artificial intelligence security. • DevSecOps. • Bastions and administrative networks. • Data protection: database access, DLP, etc.Additional knowledge A good knowledge of the security processes and standards of large companies is desirable: lines of defense, GRC tools, BCP, GDPR, DORA and LPM.Required Profile • Experience: 6 to 9 years, or more than 9 years, in similar roles. • Positioning: Cross-functional profile with a good understanding of the various security domains and the functions offered by the associated tools and solutions. • Expertise: Proven experience in security coaching for business and infrastructure projects. • Communication: Ability to synthesize complex topics and present them to managers and strategic stakeholders. • Languages: Fluent French and professional English are essential.Application: CV + cover letter + copies of diplomas to be sent to contact@keoni.fr