A job at Proximus? You’ll find that everything revolves around the idea ‘Think Possible’. This means: we always assume that something is possible, even if it seems impossible. Well, especially so, actually. Call it a way of thinking that involves being open to a world of digital solutions that make our lives easier. And our way of working smarter.
The mission of MWingz, as a Joint Venture between Orange and Proximus, is to power the first shared mobile network in the best and most efficient way. We are the Magic WINGZ for Orange and Proximus making society fly.
Within MWingz, we make every effort to be a “great place to work” for our approximately 240 colleagues. In our diverse and caring organization, you can use your talents to the full, develop yourself further and you will find yourself in a culture where you can recharge together with colleagues, and be genuinely proud of our common goal of value creation for our clients.
We offer a flexible and easily accessible working environment in the heart of Brussels, with an attractive remuneration package and numerous contemporary and personalized benefits.
We currently have an open position as Lead Entreprise Architect
Your Mission
The Lead Enterprise Architect is accountable for defining, governing, and continuously evolving the organization’s enterprise IT architecture, ensuring that applications, data, infrastructure, and platforms coherently support business strategy and operational objectives.
The role translates business direction into target architectures, architectural principles, and technology roadmaps, and steers architectural decision making to ensure that IT solutions are scalable, secure, resilient, cost effective, and sustainable over time.
Acting as a trusted architectural authority, the Lead Enterprise Architect provides expert guidance to management, business stakeholders, and delivery teams, ensuring alignment across initiatives and increasing architectural maturity across the organization.
As a Lead Entreprise Architect, you are responsible to :
Architecture Definition & Governance
1. Define and maintain the overall IT architecture framework, covering application landscape, data architecture, infrastructure (including cloud and hybrid platforms), tooling, and standards.
2. Establish and evolve architectural principles, reference architectures, and target states aligned with business strategy and long-term objectives.
3. Govern architectural consistency by reviewing, challenging, and approving solution designs against agreed standards and target architectures.
4. Own and document key architectural decisions, including rationale, trade-offs, and long-term implications.
Strategic & Advisory Contribution
5. Translate business requirements and strategic priorities into coherent architectural roadmaps that balance business value, technical sustainability, and risk.
6. Act as a trusted advisor to management and senior stakeholders on architectural options, constraints, and technology choices.
7. Provide architectural input into transformation, modernization, and innovation initiatives.
Alignment & Cross-Functional Leadership
8. Ensure alignment between solutions, platforms, and technologies across teams, domains, and initiatives.
9. Influence and guide development, infrastructure, operations, and vendor teams in applying architectural principles, without direct line authority.
10. Promote a shared understanding of the architecture, increasing architectural awareness and adoption across the organization.
Risk, Security & Compliance
11. Ensure that solutions are secure by design, resilient, and compliant with internal policies and applicable regulatory requirements.
12. Identify architectural risks and define mitigation strategies in collaboration with the Security Architect and other relevant stakeholders.
Innovation & Continuous Improvement
13. Monitor technology trends and emerging practices, assess their relevance, and advise on opportunities for innovation or optimization.
14. Contribute to the continuous improvement of architectural practices, methods, and governance processes.
Your Profile
Your profile
Knowledge & Experience
15. Proven experience as an IT Architect, Solution Architect, or similar role in complex, multi-domain environments.
16. Strong understanding of: Application and integration architectures Data and information architectures Infrastructure, cloud, and hybrid environments Security principles and best practices
17. Experience making strategic technology choices with long-term impact.
18. Experience contributing to digital transformation or modernization programs.
19. Exposure to both IT and telecom infrastructure environments.
Skills & Competencies
20. Strong analytical and conceptual problem-solving skills, enabling the resolution of non-standard and complex architectural challenges.
21. Excellent communication and presentation skills, able to explain complex technical concepts to business audiences and senior management.
22. Pragmatic, business-oriented mindset with a focus on sustainable value creation.
23. Ability to influence, align, and guide stakeholders without formal authority.
24. Curiosity and continuous learning mindset.
Interested?
Please send your application to .
What do we offer you?
25. We are 100% Belgian. So we make decisions in three languages. And all at the same time if you like!
26. We are open to everyone: M, W, X, and in fact all the other letters of the alphabet.
27. We encourage personal growth. At the Proximus Academy, you won't even want to miss a session.
28. We are, of course, committed to sustainability. What else did you think?
29. We firmly believe that working together is important, but that having fun together is even more so. That is why we regularly organise fun activities. (Please let us know if you have a talent for playing Santa Claus!)
30. We believe in responsibility. Also in yours. For example, you can take it to launch your own initiatives.
31. We put our customers first. And because we are all customers somewhere, you already know what that means. That’s good.
32. And the ever-important work-life balance? We keep it in the right place.
Naturally we have a competitive salary package for you. Click (or apply) to discover what else we offer.