Senior Enterprise Architect - Public Sector
1. Full-time
Sopra Steria offers tailored, end-to-endcorporate technology and software solutionsto help clients make bold choices and deliverresults. Successfully so! With more than 51.000colleagues in nearly 30 countries, we rank as Europe’s leading digital solutions provider.Some of the most successful companies inEurope rely on our technology due to ourcommitment to innovation, collaboration, andvalue in business development. The world is how we shape it. Let’s shape ittogether.
We are currently seeking for an experienced Solution / Enterprise Architect to strengthen its Public Sector practice in Belgium. You will act as a trusted advisor to key government organisations such as FOD BOSA, Digitaal Vlaanderen, and SPW Digital. Your role bridges business strategy and technical execution, ensuring the design and governance of scalable, secure, and future-proof architectures.
Key responsibilities
* Identify and develop opportunities within public sector clients
* Contribute to and lead presales and proposal development
* Build strong stakeholder networks across client organisations
* Support public tenders, framework agreements, and bid reviews
* Drive scope extensions and revenue growth
* Design enterprise and solution architectures for complex programmes
* Define blueprints using TOGAF, ArchiMate, and OSLO standards
* Lead architecture boards and ensure compliance (security, scalability, interoperability)
* Advise on cloud strategies (Azure preferred, AWS, GCP) aligned with G-Cloud
* Embed NIS2, GDPR, ISO 27001 requirements in all designs
Client Advisory & Stakeholder Engagement
* Act as lead architecture advisor at management level
* Translate technical concepts into clear executive communication
* Lead governance bodies (steering committees, architecture boards)
* Influence strategic decisions and promote best practices
* Contribute to thought leadership and market visibility
Delivery & Quality
* Ensure high-quality, on-time delivery of architecture artefacts
* Collaborate with delivery teams to ensure implementation alignment
* Identify and mitigate architectural risks
* Apply company methodologies and quality standards
Knowledge & Team Development
2. Contribute to the architecture community of practice
3. Develop reusable frameworks and accelerators
4. Mentor junior consultants and architects
5. Support recruitment and team development
Experience & Skills
6. 8+ years in IT architecture (≥4 years in Belgian public sector)
7. Public Sector Knowledge: Familiarity with key institutions and frameworks
8. Frameworks: Strong expertise in TOGAF (ADM), ArchiMate
9. Presales: Proven experience in RFPs/tenders with successful outcomes
10. Dutch and/or French + English (bilingual is a plus)
11. Strong client focus and advisory mindset
12. Ability to simplify complex topics for senior stakeholders
13. Excellent communication, influence, and leadership skills
14. Structured, results-driven, and able to manage multiple priorities
15. Curious and proactive about innovation and eGovernment trends
What to expect from working at Sopra Steria
* Work on high-impact digitalisation programmes that shape the future of Belgian public services.
* Be part of a multidisciplinary consulting team of 160+ experts with deep public sector expertise.
* Clear career path from Manager to Senior Manager and beyond, supported by structured career development.
* Access a strong architecture community of practice, certifications and continuous learning programmes.
* Competitive remuneration package, hybrid working model, and a culture that values both performance and wellbeing.
Ready to take the next step?
We’re here to support you all the way and we are looking forward to your application!
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Sopra Steria is an equal opportunity employer. All qualified applicants will be considered for employment without regard to age, ancestry, nationality, color, family or medical leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, gender (including pregnancy), sexual orientation or any other characteristic protected by applicable local laws, regulations and ordinances. We foster a work environment that is inclusive and respectful of all differences.
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