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Senior Architect – Simpl Program (m/f/d)

Contract
Brussels, Belgium
01.06.2026

A major European public-sector programme driving the development of large-scale, interoperable digital ecosystems across multiple domains. The organisation focuses on enabling secure, compliant, and scalable data-sharing environments, supporting innovation and collaboration between public and private stakeholders across Europe. They are currently seeking a Senior Architect to lead and govern architecture design across complex, multi-stakeholder initiatives.


Responsibilities:

  • Define and maintain overall solution and system architecture, ensuring alignment between business objectives, governance frameworks, and technical implementation.
  • Ensure compliance with regulatory, security, and interoperability standards across distributed platforms.
  • Lead the design of scalable, secure, and federated architecture models supporting multi-organisation collaboration.
  • Drive integration between platforms, services, and external ecosystems while maintaining architectural consistency.
  • Facilitate workshops and alignment sessions with stakeholders, governance bodies, and delivery teams.
  • Promote best practices in architecture governance, security-by-design, and operational readiness across the programme.

Qualifications and Skills:

  • Extensive experience (10+ years) in enterprise or solution architecture within complex, distributed environments.
  • Strong expertise in designing interoperable and scalable systems with a focus on data sharing and platform ecosystems.
  • Solid understanding of security, compliance, and regulatory frameworks in large-scale programmes.
  • Experience with cloud-based architectures, containerised environments, and API-driven integration.
  • Strong knowledge of architecture methodologies and modelling approaches.
  • Excellent communication and stakeholder management skills, with the ability to bridge technical and non-technical domains.

Halian Group:

With over 28 years of experience, we have come to understand that innovation is the only way to provide agile, practical solutions that transform businesses and careers.

Our resourcing and smart services help you to realise tomorrow’s potential. Discover the amazing things possible when you bring the right people and the right technologies together.

At Halian, we recognise that diversity, equity, and inclusion (DEI) are essential to building high-performing teams for our clients. We are committed to connecting organisations with top talent from all backgrounds, ensuring that every individual feels valued, respected, and empowered to contribute their unique perspectives. We encourage applications from all qualified candidates, regardless of race, gender, disability, or any other characteristic that makes them unique. By fostering diverse and inclusive workplaces, we help our clients drive innovation, enhance collaboration, and better reflect the communities they serve.

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