Job Details: Title: Solution & Technical Architect Location: Brussels, Belgium | Hybrid – 3 days onsite Duration: 6 months Job role: The organization is undergoing a major IT transformation, modernizing legacy systems toward Cloud/hybrid architectures while ensuring compliance with NIS2 regulations. Core systems support unemployment regulation, payments, debt management, and financial accounting. The architect will ensure secure, scalable, and compliant system evolution during this transformation. What You'll Be Doing: Lead the design of secure, scalable Cloud & hybrid architectures Translate enterprise strategy into practical, implementable technical blueprints Drive Security by Design principles across systems Architect high-availability, resilient, and performance-optimized solutions Provide architectural leadership across integration, data modelling, and scalability Guide engineering teams on modern architectural patterns and Cloud adoption Lead architectural reviews, governance, and technical decision-making Bridge business, security, and engineering stakeholders Ensure compliance within a regulated European environment Required Skills: 10+ years' experience designing complex enterprise architectures Strong Cloud expertise (AWS, Azure, or GCP) Deep Java knowledge (Spring, microservices, API & event-driven design) Containerisation/orchestration experience (OpenShift preferred) Strong database & data modelling experience (MySQL) Experience with messaging systems, REST/GraphQL integrations Strong understanding of security standards & regulatory compliance (NIS2 highly desirable) Proven experience designing resilient, high-availability systems Education: Master's degree in Computer Science, Engineering, or equivalent experience Professional Cloud/Architecture certifications (preferred) Language: Full professional fluency in French, Dutch, and English