Head of Security (CISO)

Head of Security (CISO) – BICS

Join to apply for the Head of Security (CISO) role at BICS . Position based in Brussels permanent CDI, on-site 2‑3 days per week.

Company Overview

Proximus Global, combining the strengths of Telesign, BICS, and Route Mobile, transforms the future of communications and digital identity. Our global reach fuels innovation for the world’s largest companies and emerging brands, delivering built-in fraud protection across the customer lifecycle.

Key Highlights

• Powering over 13 billion digital communications each month
• Supporting 3 500+ active customers across 50+ global offices
• Managing 50 % of the world’s roaming data traffic and connecting 150 million IoT devices
• Driving innovation in 5G, private network, and IoT enablement
• Committed to unified vision, unlocking new opportunities worldwide

Role Overview

The Head of Security (CISO) owns all assurance activities to protect availability, integrity, and confidentiality of customers, partners, employees, and business information in compliance with BICS information security policies.

Key responsibilities include:

Responsibilities

• Develop, implement and monitor a strategic, comprehensive enterprise information security and IT/network security program.
• Work directly with business units to facilitate risk assessment and risk management processes.
• Develop and enhance an information security management framework aligned with ISO 27001, ISO 27701, NIS 2, SOC 2, DORA, GDPR, AI Act, etc.
• Interact with related disciplines through committees to ensure consistent application of policies and standards across technology projects, systems, and services.
• Organize and lead the enterprise information security organization.
• Assist with overall business technology planning, providing current knowledge and future vision with focus on security and business continuity.
• Maintain knowledge of security technologies and ensure it is readily available.

Qualifications

• Master’s degree in cybersecurity, IT, telecommunications or related fields.
• Relevant certifications preferred: CISSP, CISM, or CISA.
• Ability to obtain required security clearances.
• 5–10 years of experience in risk management, information and/or network security, and relevant IT roles.
• Knowledge of ISO/IEC 27001, SOC 2, NIST, and regulatory compliance in telco industry.
• Background with SIEM, EDR, firewalls, intrusion detection systems; telecommunication knowledge preferred.
• Understanding of secure software development and DevSecOps practices.
• Understanding of AI/ML applications in security.
• Multilingual proficiency: ENG mandatory + FR or NL.
• Excellent written and verbal communication skills.
• High personal integrity for international security clearances.
• Innovative leadership, ability to motivate cross‑functional, interdisciplinary, and international teams across multiple time zones.
• Experience with contract and vendor negotiations and management.
• Knowledge of cloud security architecture.
• Knowledge of ethical hacking and penetration testing techniques.
• Familiarity with incident management and disaster recovery planning.

Why PXG Global?

• Global & Inclusive – Work with diverse teams across 100+ countries, embracing a truly international culture.
• Growth‑Focused – Develop your career through tailored learning, leadership programmes, and internal mobility.
• Innovation‑Driven – Contribute to cutting‑edge projects in 5G, IoT, and next‑gen communication technologies.
• Flexible Workstyle – Hybrid working with remote option up to 10 days a year.
• Efficient & Scalable – Operational excellence and smart growth.
• Comprehensive Benefits – Competitive salary package with broad benefits:
  • Base salary and yearly performance bonus.
  • Comprehensive insurance: hospitalization, outpatient care, life, disability, and travel insurance fully funded by PXG.
  • Supplementary pension plan fully funded by PXG.
  • Flexible mobility package: company car or allowance, fuel card, bike lease options.
  • Telco offer: free internet at home, mobile phone budget, phone plan, discounts on Proximus products catalog.
  • Additional benefits: meal and eco vouchers, 32 vacation days, corporate discounts through
  • Wellbeing at work: yoga and pilates classes, corporate events.

Application

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