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Lead Entreprise Architect

Proximus


Job Location:

Brussels - Belgium

Monthly Salary: Not provided by the employer
Posted: 26 July 2026 (30+ days ago)
Application Deadline: 23 October 2026
Vacancies: 1 Vacancy

Job Summary

A job at Proximus Youll 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 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 organizations 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

  • Define and maintain the overall IT architecture framework covering application landscape data architecture infrastructure (including cloud and hybrid platforms) tooling and standards.
  • Establish and evolve architectural principles reference architectures and target states aligned with business strategy and long-term objectives.
  • Govern architectural consistency by reviewing challenging and approving solution designs against agreed standards and target architectures.
  • Own and document key architectural decisions including rationale trade-offs and long-term implications.
    Strategic & Advisory Contribution
  • Translate business requirements and strategic priorities into coherent architectural roadmaps that balance business value technical sustainability and risk.
  • Act as a trusted advisor to management and senior stakeholders on architectural options constraints and technology choices.
  • Provide architectural input into transformation modernization and innovation initiatives.
    Alignment & Cross-Functional Leadership
  • Ensure alignment between solutions platforms and technologies across teams domains and initiatives.
  • Influence and guide development infrastructure operations and vendor teams in applying architectural principles without direct line authority.
  • Promote a shared understanding of the architecture increasing architectural awareness and adoption across the organization.

Risk Security & Compliance

  • Ensure that solutions are secure by design resilient and compliant with internal policies and applicable regulatory requirements.
  • Identify architectural risks and define mitigation strategies in collaboration with the Security Architect and other relevant stakeholders.

Innovation & Continuous Improvement

  • Monitor technology trends and emerging practices assess their relevance and advise on opportunities for innovation or optimization.
  • Contribute to the continuous improvement of architectural practices methods and governance processes.
Your Profile

Your profile

Knowledge & Experience

  • Proven experience as an IT Architect Solution Architect or similar role in complex multi-domain environments.
  • Strong understanding of:
    • Application and integration architectures
    • Data and information architectures
    • Infrastructure cloud and hybrid environments
    • Security principles and best practices
  • Experience making strategic technology choices with long-term impact.
  • Experience contributing to digital transformation or modernization programs.
  • Exposure to both IT and telecom infrastructure environments.

Skills & Competencies

  • Strong analytical and conceptual problem-solving skills enabling the resolution of non-standard and complex architectural challenges.
  • Excellent communication and presentation skills able to explain complex technical concepts to business audiences and senior management.
  • Pragmatic business-oriented mindset with a focus on sustainable value creation.
  • Ability to influence align and guide stakeholders without formal authority.
  • Curiosity and continuous learning mindset.

Interested

Please send your application to

What do we offer you
  • We are 100% Belgian. So we make decisions in three languages. And all at the same time if you like!
  • We are open to everyone: M W X and in fact all the other letters of the alphabet.
  • We encourage personal growth. At the Proximus Academy you wont even want to miss a session.
  • We are of course committed to sustainability. What else did you think
  • 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!)
  • We believe in responsibility. Also in yours. For example you can take it to launch your own initiatives.
  • We put our customers first. And because we are all customers somewhere you already know what that means. Thats good.
  • And the ever-important work-life balance We keep it in the right place.

Naturally we have a competitive salary package for you. Clickhere(or apply) to discover what else we offer.


Required Experience:

Staff IC