Senior Architect

Sopra Steria BeLux is seeking a Senior IT Architect to design, govern and assure end-to-end solutions for EU agencies and directorates and the Belgian Federal Government within our ADS/EU portfolio (Aeroline, Defense & Security / European Union). The role spans enterprise, solution and technical architecture with strong emphasis on security, interoperability, compliance, and delivery governance aligned to Group standards.

Key Responsibilities

• Define target architectures, transition roadmaps, and integration patterns across hybrid/multi-cloud and on-prem environments using TOGAF/ArchiMate methods.

• Lead Design Authority activities, architecture decision records, and ensure non-functional requirements coverage (security, resilience, performance).

• Embed Security-by-Design and Privacy-by-Design principles, aligning with BeLux IS Policy, Group security processes and regulations (GDPR, NIS2, ISO 27001).

• Apply EU architecture assets and interoperability frameworks (EIRA, eGov…