Freelance Cybersecurity Architect (F/M/X)

Leonardo Belgium; Brussel; On-site; EUR 110,000 - 140,000; Full time

Benefits offered by this job

International environment

Leonardo Group collaboration

Job summary

Leonardo Belgium is seeking a Senior Cybersecurity Architect to contribute to the design, implementation and continuous improvement of security architectures, controls and policies across a diverse portfolio of information systems. You will work with stakeholders to ensure the security, compliance and resilience of critical IT environments.

The role requires strong experience in cybersecurity architecture, risk management and security governance, with hands-on knowledge of risk assessment

Qualifications

• Significant experience in cybersecurity architecture or IT security governance.
• Knowledge of risk assessment methodologies (EBIOS, CRAMM or comparable).
• Familiarity with ISO/IEC 27001/27002 and security-by-design principles.
• Experience defining security programs, BC plans and vulnerability management.

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.

Skills

Cybersecurity architecture

Security consulting

IT security governance

Risk assessment methodologies

ISO/IEC 27001/27002

Education

Bachelor's degree or higher in a relevant discipline

English and French proficiency (C1 in both)

Job description

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.