Senior Cybersecurity Architect (onsite in Belgium)

KEYES; Brussel Hoofdstad; On-site; EUR 90,000 - 150,000; Full time

Job summary

KEYES in Brussels seeks a Senior Cybersecurity Architect to drive security across complex international projects, including cloud transitions, risk analyses, and secure architecture for critical systems.

The role requires hands-on design and documentation of cybersecurity measures, coordination with cross-functional teams, and ensuring EC policy compliance in a dynamic, multinational environment.

Qualifications

• Extensive experience in security consulting, including risk analysis using EBIOS and CRAMM.
• Bachelor's degree or higher in IT/cybersecurity or related areas.
• Familiarity with ISO/IEC 27001/27002 and BS 7799.
• Ability to define and manage Security Programs, BCPs, Security Awareness, Vulnerability Management, and Security Requirements.

Responsibilities

• Create and maintain architectural models and cybersecurity documentation.
• Coordinate secure development, integration, and maintenance of cybersecurity components.
• Verify cybersecurity controls using EC dedicated systems.
• Ensure the security of IT systems.
• Develop and maintain Security Plans.
• Collaborate with stakeholders on IT security via BIA and Risk Analysis.
• Engage with technical teams for secure architecture, vulnerability scans, code reviews, and cryptographic solutions.
• Ensure compliance with EC Security Policy including training, log management and access policies.
• Align with IT Security Policy and Strategy (Cloud First, Security by Design).
• Address security aspects of cloud transitions and modernization.

Skills

Security consulting

Risk analysis

EBIOS

CRAMM

ISO/IEC 27001

Security programs

Leadership

Communication

Education

Bachelor's degree or higher in IT/cybersecurity

Job description

Joining KEYES means giving purpose to your talent.

Who are we?

Are you looking for an environment where technology is not an end in itself, but a lever to build a sustainable future? At KEYES, we are not just looking for technical expertise; we are looking for people who share our values. Do you want to continue your career and grow within one of Belgium’s leading IT companies?

KEYES - International Organizations (IO) is a dynamic global organization that takes pride in being the trusted partner of EU Institutions. With strong commitment to excellence and a 30-years track record of delivering high-quality solutions, we are dedicated to supporting the growth and success of our clients. Our Mission is to help our clients keep up with the challenges of digital transformation by providing the right talent at the right time for the right job. To this end, we are constantly looking for talented professionals who are interested in working on challenging international projects and able to deliver high-quality results within multicultural environments. Our services include (but are not limited to) modernization of solutions, digital workspaces, cloud technologies and IT security. Our Headquarters are in Brussels and we have active accounts and offices across Europe (i.e. Luxembourg, Amsterdam, Athens, Stockholm, Geneva).

More information: www.keyes.eu

Is this YOU?

For one of our main clients based in Brussels, we are looking for a Senior Cybersecurity Architect with expertise in cloud transition and risk analysis (EBIOS and CRAMM) to support corporate solutions in the area of designing aircrafts, securing autonomous vehicles, anticipating the obsolescence of nuclear facilities, and protecting industrial assets from cyberattacks.

Please note that the position is based onsite in Brussels, therefore being based in Belgium is required. The potential start of the mission is January 2027.

More specifically, you will be responsible for…

• Creates and continuously improves architectural models and develops appropriate architectural documentation and specifications related to

  the Cybersecurity aspects of the business systems.

• Coordinates secure development, integration, and maintenance of cybersecurity components in line with standards and other related

  requirements.

• Verify cybersecurity controls, using EC dedicated systems.

• Responsible for ensuring the security of IT systems

• Security Plan Development and Maintenance:

• Collaborate with business stakeholders to promote IT security through Business Impact Assessments and Risk Analysis.

• Engage with technical teams to establish security architecture, conduct vulnerability scans, perform code reviews and ethical hacking, and

  implement cryptographic solutions.

• Compliance and Follow-up: Implement the actions proposed in security plans to achieve compliance with the EC Security Policy, focusing on vulnerability scans, training programs, log management, and access policies.

• Policy Alignment: Ensure alignment with the IT Security Policy and security aspects of broader Commission strategies such as Dual Pillar, Cloud First, and Security by Design.

• Cloud Transition and Modernization: Address security aspects associated with transitioning to cloud infrastructure and migrating to modern components and architectures.

#LI-VB1

#TRASYS

Are you the perfect match?

• Extensive experience in security consulting, including conducting risk analysis using methodologies like EBIOS and CRAMM.

• University Bachelor degree or higher (Bachelor’s degree of 3 years or more or master’s degree or Ph.D. in IT or cybersecurity or

  related areas)

• Familiarity and experience with security frameworks such as ISO/IEC 27001 & 27002 and BS 7799.

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

• Leadership and Communication: Strong management skills with a proven track record in project management and leading cross-functional teams in system support, development, and operations.

• Exceptional communication and presentation abilities, adapt at interacting with Steering Committees, Middle and Senior Management.