Cybersecurity Architect (F/H/X)

Leonardo Belgium is engaged in several cutting-edge research and technology programs within the aerospace and defense domains. In collaboration with the European Space Agency (ESA), we are seeking a Cybersecurity Architect to contribute to advanced initiatives focused on quantum and post-quantum cryptography technologies, helping secure next-generation space and communication systems.

This role represents a unique opportunity to work at the crossroads of cybersecurity innovation and space research, within an international, multidisciplinary environment.

Job Specifications

• Location: Brussels (main office) - Occasional travel to Redu (ESA) possible

• Work schedule: Flexible – remote work fully supported. The role allows working from home or from our Brussels office, with on-site visits when required

• Contract type: Permanent position preferred; freelance possible as well

• Starting date: December 2025

• Security: Eligibility for Personal Security Clearance (PSC) required

As a Cybersecurity Architect, you will operate within an existing and approved quantum security architecture framework. You will collaborate closely with technical teams from Leonardo and ESA, contributing to the design, validation, and integration of high-security systems supporting space missions and ground infrastructures.

Your responsibilities will include:

• Defining design constraints based on requirements, risk assessments, and system infrastructure

• Performing risk identification and impact assessments related to classified information management

• Reviewing and validating system architectures and cybersecurity requirements

• Supporting integration and hardening of trusted COTS/MOTS hardware and software components

• Assisting in project phases including documentation, SRR milestone support, and design updates

• Consolidating hardening guidelines and security best practices

• Providing general IT architecture support during bidding and ongoing project phases

• Proven hands-on experience in security architecture, preferably related to cryptography or quantum technologies

• Ability to work as an IT architect, comfortable contributing across architecture, project management, and bid support

• Excellent communication skills; open and transparent dialogue on project details encouraged

• Flexible and collaborative mindset to work in multi-national environments

• Mid-seniority level; autonomy and proactivity essential

• Eligible for security clearance

What do we have to offer?

• Opportunity to work on pioneering quantum cryptography projects

• A role within Leonardo, a global leader in aerospace, defence, and cybersecurity innovation

• A dynamic environment where learning and career growth are actively supported

• Flexible working arrangements, with a strong focus on remote work and minimal travel

• A supportive, inclusive culture where collaboration and innovation thrive

• A competitive salary based on experience, skills, and industry requirements