Head of Security; CISO

Task Description

Proximus Global, combining the strengths of Telesign
, BICS
, and Route Mobile
, is transforming the future of communications and digital identity.

Together, our solutions fuel innovation across the world's largest companies and emerging brands.

Our unrivaled global reach empowers businesses to create engaging experiences with built-in fraud protection across the entire customer lifecycle.

Our comprehensive suite of solutions - from our super network for voice, messaging, and data, to 5G and IoT; and from verification and intelligence to CPaaS for personalized omnichannel engagement - enables businesses and communities to thrive. Reaching over 5 billion subscribers, securing more than 180 billion transactions annually, and connecting 1 000+ destinations, we honor our commitment to connect, protect and engage everyone, everywhere.

• Powering over 13 billion digital communications each month
• Supporting 3 500+ active customers – including enterprises, OTTs, and mobile operators – through a presence in 50+ global offices across 100+ countries
• Managing 50% of the world's roaming data traffic and connecting 150 million IoT devices
• Driving innovation in 5G, private networks, and IoT enablement, positioning Proximus Global as a leader in next‑generation communication technologies
• Committed to a unified vision, Proximus Global is unlocking new opportunities and enabling seamless global communications for businesses worldwide

Please note that this position is based in Brussels and offered as a permanent contract (CDI). It is not a freelance opportunity. The role requires on‑site presence 2 to 3 days per week.

The Proximus Global Head of Security serves as the process owner of all assurance activities related to the availability, integrity and confidentiality of customers, business partners, employees and business information in compliance with the organization's information security policies.

A key element of the CISO's role is working with the technical teams but also with the executive management to determine acceptable levels of risk for the organization. This position is responsible for establishing and maintaining a corporate-wide information security management program for all affiliates worldwide to ensure that information assets are adequately protected.

• Develop, implement and monitor a strategic, comprehensive enterprise information security and IT and network security program.
• Work directly with the business units to facilitate risk assessment and risk management processes.
• Develop and enhance an information security management framework in line with multiple international standards and regulations (ISO 27001, ISO 27701, NIS 2, SOC 2, DORA, GDPR, AI Act…).
• Understand and interact with related disciplines through committees to ensure the consistent application of policies and standards across all technology projects, systems and services.
• Organize and provide leadership to the enterprise's information security organization.
• Assist with the overall business technology planning, providing a current knowledge and future vision of technology and systems with a focus on security and business continuity.
• Ensure knowledge on security technologies is readily available.

• Master's degree in cybersecurity, IT, telecommunications or related fields.
• Relevant certifications in cybersecurity, such as Certified Information Systems Security Professional (CISSP), Certified Information Security Manager (CISM), or Certified Information Systems Auditor (CISA) are preferred.
• Ability to get the required security clearances allowing to interact with several authorities.
• Minimum of 5 to 10 years of experience in a combination of risk management, information and / or network security and relevant IT jobs.
• Knowledge and/or experience of common information security management frameworks, such as ISO/IEC 27001, SOC 2 and NIST.
• Background in regulatory compliance and data privacy laws in the telco industry.
• Background experience with SIEM tools, EDR tooling, firewalls, intrusion detection systems, etc……