CISO I Head of Infrastructure & Network Security

As part of strengthening its security governance, the group is looking for an Head of Infrastructure & Network Security able to drive the information security strategy across an international, multi-country scope.

The role combines deep technical expertise (infrastructure, network, cloud) with high-level governance capabilities: cross-functional leadership, budget arbitration, vendor management, and strategic vision at group level.

Key responsibilities

Governance & security strategy (international group)

• Define and drive the infrastructure security strategy across multiple countries
• Roll out the group ISSP (Information System Security Policy) and ensure consistency between local entities and central functions
• Lead security governance bodies (steering committees, risk committees) and executive reporting to top management
• Ensure multi-jurisdiction regulatory compliance (ISO 27001, NIS2, GDPR depending on sectors)
• Oversee risk assessments (EBIOS RM) and remediation plans across the infrastructure scope
• Build and manage the infrastructure security budget for the scope
• Select, contract, and manage service providers and integrators (MSSP, vendors, consultancies)
• Arbitrate investments and optimize the value/cost ratio of security measures

Infrastructure, network & cloud security

• Oversee the security architecture of infrastructures: datacenters, network, cloud (AWS/Azure/GCP), hybrid environments
• Drive the hardening of technical foundations: segmentation, hardening, IAM/PAM, PKI, backup/DRP
• Ensure a strong detection and response posture (SOC, EDR, SIEM) in coordination with operational teams

Coordination & cross-functional leadership

• Coordinate local CISOs and security officers across entities
• Support change management and foster a security culture across the group
• 10-15+ years in cybersecurity, strong technical infra/network/cloud roots + recent CISO-level governance
• Proven international, multi-country leadership
• Bilingual English, daily international leadership and COMEX reporting. This is a must