Freelance Cybersecurity Architect (F/M/X)

The Cyber & Security Division of Leonardo Belgium, part of the Leonardo group, focuses on mission-critical services for Institutional organizations, such as European Commission.

Based in Brussels, our team operates at the heart of the Institutional ecosystem, supporting high-impact initiatives in close coordination with our engineering and delivery teams across Europe.

We are currently looking for an experienced Senior Cybersecurity Architect to support a strategic cybersecurity programme within the European Commission, contributing to the security, resilience and modernisation of a large portfolio of information systems.

Job specifications

• Location: Brussels (On-site)

• Expected start date: Early January

• Urgent need, early applications highly appreciated

• Type of contract: Freelance

• Security clearance: Eligibility to obtain an EU security clearance is required

As a Senior Cybersecurity Architect, you will contribute to the design, implementation and continuous improvement of security architectures, controls and policies across a diverse portfolio of information systems.

Working closely with business stakeholders, technical teams and security specialists, you will play an important role in ensuring the security, compliance and resilience of critical IT environments.

Key responsibilities:

• Design, maintain and improve cybersecurity architectures, including architectural models, technical specifications and security documentation.

• Develop and maintain IT Security Plans, ensuring alignment with applicable security policies, standards and regulatory requirements.

• Conduct security risk assessments and Business Impact Analyses, identifying vulnerabilities and recommending appropriate mitigation measures.

• Coordinate the implementation and integration of security controls across applications, infrastructure and IT systems.

• Oversee security assessments, including vulnerability scans, security reviews and penetration testing activities, in collaboration with technical teams.

• Monitor the implementation of security recommendations and remediation measures, ensuring compliance with established security requirements.

• Support cloud migration and IT modernisation initiatives, integrating security-by-design principles throughout the process.

• Contribute to security governance, business continuity planning, access management and security awareness initiatives.

• Collaborate with technical teams, project managers and senior stakeholders, providing security guidance, recommendations and reporting.

We are looking for an experienced cybersecurity professional with a strong background in security architecture and risk management, capable of combining technical expertise with a structured and pragmatic approach to information security.

Experience & Technical Expertise

• Significant professional experience in cybersecurity architecture, security consulting or IT security governance, ideally within complex enterprise environments.

• Strong knowledge of security risk assessment methodologies, such as EBIOS, CRAMM or comparable frameworks.

• Good understanding of cybersecurity standards and frameworks, particularly ISO/IEC 27001 and 27002, as well as security-by-design principles.

• Proficiency in defining and following up on Security Programs, Business Continuity Plans, Security Awareness initiatives, Vulnerability Management, and specifying Security Requirements.

Education & Languages

• A Bachelor's degree or higher in a relevant discipline (EQF Level 6 minimum)

• Excellent command of English and French (minimum C1 level in both languages).

Additional Assets

• Previous experience working within European institutions, public-sector organisations or other highly regulated environments.

• Experience supporting cloud migration, digital transformation or IT modernisation programmes.

• Relevant professional certifications in cybersecurity, risk management or security architecture.

What we have to offer

• The opportunity to contribute to a strategic cybersecurity programme within the European Commission, supporting the protection and modernisation of critical information systems.

• A challenging international environment, working alongside experienced cybersecurity professionals, architects and technical specialists.

• A long-term collaboration opportunity within the Leonardo Group, a globally recognised leader in Aerospace, Defence and Security.

• A competitive daily rate aligned with your experience and expertise.

• The opportunity to contribute to complex, high-impact projects and further develop your professional network within the European institutional ecosystem.

If you are an experienced cybersecurity professional looking to take on a challenging architecture and security governance role within an international environment, we encourage you to apply and explore the opportunities offered by Leonardo Belgium.