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twentyAI

Information Security Officer

Hybrid

Brussels, Belgium

Full Time

24-12-2025

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Skills

Leadership Monitoring Coaching Architecture Agile Team Development

Job Specifications

About the Organisation

A global professional services leader with 30 offices across 20+ countries. The firm is built on exceptional talent and a culture that prioritises collaboration, innovation, agility, and accountability. It’s a high-performing environment that stays grounded in fairness, transparency, and genuine support. Diversity and inclusion sit at the heart of the organisation—every voice is valued, and people work as one global team committed to excellence.

The Role

You’ll play a key role in protecting the organisation’s information assets and strengthening its overall security posture. Responsibilities include:

Acting as a trusted advisor on all Information Security matters.
Delivering programmes and processes that reduce security risk and enhance controls.
Monitoring, measuring, and reporting on security effectiveness, identifying trends and improvement areas.
Leading internal investigations and data discovery tasks for Legal, HR, and external counsel.
Working closely with Technology & Data teams to embed security best practice into systems and architecture.
Supporting the ISMS and maintaining ISO27001 and Cyber Essentials certifications.
Auditing IT services, reporting findings, and driving corrective action.

What Sets This Organisation Apart

Truly global exposure with the chance to contribute to strategic, innovative projects.
Strong commitment to sustainability, corporate responsibility, and good governance.
A diverse workforce where people feel respected, included, and empowered to perform at their best.
A genuine speak-up culture with highly accessible leadership.
Tailored career pathways aligned to individual strengths and ambitions.
Agile working that supports both personal and organisational needs.
A relationship-driven culture built on trust, respect, and appreciation.
Robust wellbeing support, including open dialogue around mental health and access to specialist help.
Investment in emotionally intelligent leaders focused on coaching, growth, and team development.

About the Company

TwentyAI is a talent and staffing solutions firm that combines cutting-edge AI technology, deep data insights, and human expertise to connect top talent with outstanding opportunity, specializing in data, technology, finance and GTM. Our in-house proprietary data analytics platform streamlines the recruitment process, enabling our consultants to focus on building meaningful relationships and staying ahead of industry trends. Since 2008, we've invested in both people and technology, driving business growth and career developm... Know more