RELYzIT Brussels, Brussels Region, Belgium
Solution Architect (Freelance) – 12 months – Brussels, Belgium
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About the Role
RELYzIT Talent is seeking a freelance Solution Architect (tactical domain level) for a 12‑month mission in Brussels. You’ll join our client’s transformation journey at the heart of the Belgian public sector, taking ownership of the functional and technical architecture for one of seven key business domains. Your work will shape how complex processes and information are modeled, understood, and delivered — directly impacting the future of digital public services.
Why This Role Matters
This is a mission‑critical role where your architectural vision will clarify, simplify, and empower business and IT teams to deliver real change. You’ll bridge the gap between business needs and technical solutions, ensuring that every architectural decision drives value, transparency, and operational excellence. The stakes are high: your expertise will help our client modernize essential public services, impacting millions of citizens.
Key Responsibilities
Define and document architecture deliverables that provide clear insight into domain functions, business processes, and information concepts
Co‑define business services in close collaboration with business stakeholders
Align business architecture with application architecture, working hand‑in‑hand with the domain application architect
Prepare and shape both strategic and tactical changes at a high level
Produce clear functional scoping for work packages delivered to project and product teams
Embed architecture deliverables into tactical governance alongside the Domain Portfolio Manager
Harmonize vocabulary and understanding between business and IT stakeholders
Ensure frameworks and methodologies are consistently understood and applied
Participate in the architect community, contributing to methodology and transversal topics
Coach and mentor other architects on collaboration models, ArchiMate usage, stakeholder engagement, and change management
Technical Skills & Experience
Expert‑level proficiency in ArchiMate
Deep experience in Business Process Management, process development, and optimization
Expertise in project management (scope, budget, time)
Proven ability to structure and model complex domains, simplifying and clarifying for diverse audiences
Experience in large‑scale organizations (2000+ employees)
Concrete experience within a federal public service environment
Demonstrated track record coaching and guiding other architects
Dutch: Native
French: Active knowledge
English: Active knowledge
Other Requirements
Freelance position with a 12‑month full‑time engagement
Hybrid work mode: 2 days per week on‑site in Brussels required
Ability to submit a CV including 5 lines describing your approach as a Solution Architect
Mindset: Strong communicator, team player, coach/mentor, and protector of the “big lines”
Seniority level
Mid‑Senior level
Employment type
Full‑time
Job function
Information Technology
Industries
IT Services and IT Consulting
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