Senior Application Manager – Rail Infrastructure & Signalling Systems

Our client, a major organization in the transport infrastructure sector, is seeking a Senior Application Manager to oversee the technical architecture of critical signalling design platforms. This role focuses on ensuring technical solutions are scalable, secure, and aligned with long-term infrastructure strategies while managing the transition from legacy systems to modern microservices.

• Design and validate technical architectures including infrastructure, middleware, and integration components for critical signalling systems.
• Coordinate with cross-functional teams spanning cybersecurity, infrastructure, and operations to align technological choices with organizational strategy.
• Perform technical impact analysis for application integrations and validate technology stacks proposed by development teams.
• Produce comprehensive technical documentation, including AS-IS/TO-BE roadmaps and action plans for digital transformation.
• Monitor market trends in cloud computing and artificial intelligence to propose innovative improvements for the technical landscape.
• Integrate cybersecurity requirements into system designs to ensure compliance with international security and quality standards.

• You have 8+ years of experience in technical architecture or application management within complex infrastructure environments.
• You possess 3+ years of experience with IT infrastructure including servers, operating systems, storage, databases, and virtualization.
• You bring 2+ years of experience with Cloud computing platforms such as AWS, Azure, or GCP.
• You have 2+ years of experience in DevOps and CI/CD using tools like Jenkins, Docker, Kubernetes, Azure DevOps, or OpenShift.
• You bring 2+ years of experience in Middleware & integration including APIs, ESB, microservices, and microfront-ends.
• You possess 2+ years of experience with security and quality standards such as ISO 27001, ISO 9001, and NIS/NIS2.
• You have 2+ years of experience in Project Management methodologies such as Agile, Scrum, or PMBOK.
• You bring 2+ years of experience with UML and third-party/legacy system integration.
• You're proactive, possess strong analytical skills, and are able to communicate complex technical concepts to diverse stakeholders.
• You are fluent in French or Dutch at C2 level, with B2 level proficiency in the other language and C1 level in English.

Nice to Haves

• Experience with the Enterprise Architect modeling tool.
• Proficiency with collaboration tools like Jira, Confluence, and SharePoint.
• Familiarity with the EN 50128 standard for railway applications.

• Start date: 01-06-2026.
• Duration: 5 years.
• Work regime: Full-time.
• Location: Brussels.
• Working model: Onsite (availability for standby duty required).
• Contract: open to both permanent employees and freelancers.