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Digital Lead Architect

  • Proximus Group
Brussels, Belgium
  • Proximus Group
Brussels, Belgium


We are a Telecom & ICT company operating in Belgium and on the international markets, providing services to consumers, businesses, and the public sector.

Our advanced interconnected fixed and mobile networks offer access anywhere and anytime to digital services and data, as well as to a broad offering of multimedia content. We invest in future-proof networks and innovative solutions, creating the foundations for sustainable growth.

We have huge digital ambition implementing state of the art technology to achieve our objective. You will drive the architecture technology choice and define the path for a successful implementation.

Your role will be to focus and support in the migration process and roadmap along within the Digital Architecture team. You will review and assess cloud migration approach, potential risks, mitigation, etc.

As Lead Architect, operating in agile context, you are in contact with multiple stakeholders: network, product and services, process experts, IT experts, latest digital technologies, AI, … and acting as a role model and mentor to the architectural staff and provide technical leadership and guidance throughout the software development process. As a lead architect you will play a pivotal role in shaping digital solutions across various aspects of the organization, driving the successful delivery of high-quality software solutions by providing technical leadership, making informed decisions, fostering collaboration, and continuously striving for improvement.


  • Manage, direct and mentor architects, and junior staff;

  • Design software solutions from the ground up, making high-level decisions about each stage of the process and leading a team of engineers to create the final product;

  • Do the architecture design and oversight, taking charge of designing and overseeing the architecture of digital platforms, ensuring they are robust, scalable, and aligned with business objectives;

  • Technical Project Leadership: lead specific tracks within technical projects, conducting comprehensive technical analyses, delivering essential documentation, and assuming end-to-end responsibility for track implementation;

  • Collaborative Solution Development: engage in collaborative solution proposals, organizing brainstorming sessions, and presenting well-argued recommendations to management;

  • Effective Communication and Knowledge Transfer: communicate effectively with stakeholders, both technical and non-technical, through presentations and internal knowledge transfer sessions, ensuring shared understanding and expertise;

  • Cost, Size, and Impact Assessment: assess project costs, sizes, and ecosystem impacts, categorizing projects appropriately and identifying tribes and artifacts affected by changes;

  • Platform Management and Improvement: manage the overall architecture of digital platforms, including technology stack selection, integration, scalability, performance optimization, security, and compliance;

  • Continuous Improvement and Tooling: implement processes for continuous improvement, drive the development of tooling to optimize time and budget, and ensure seamless platform framework updates;

  • Provide the development with architectural blueprints to follow;

  • Guide and assist the development throughout the process;

  • Capture platform migration requirements, select the appropriate technology stack, and deployment methods;

  • Assist with creating cloud migration strategies, defining delivery architecture, creating the migration plans, designing the orchestration plans, and more. Assist in creating and executing of migration run books;

  • Use troubleshooting skills and work closely with operations, support, engineering and/or other functions to ensure successful migrations;

  • Define and follow the migration playbook with emphasis on capturing the advantages of operating in the cloud for migrated applications;

  • Partner with Cloud Engineering, Cloud Ops, and other teams in executing migration projects to ensure minimal risk and business disruption;

  • Provide deep cloud migration expertise covering infrastructure, application architectures, cloud capabilities, security, etc;

  • In partnership with sector teams, review and identify candidate applications for cloud migration based on pre-defined application rationalization output of categorized applications;

  • Ensure migrated applications comply with required security and controls requirements;

  • Communicate cloud migration program health to key stakeholders including senior leadership as needed.


  • Bachelor's degree or higher in computer science, engineering, or related field, with 7+ years of experience;

  • Demonstrated ability to effectively communicate with all levels of the organization;

  • Solves highly complex problems across teams;

  • Cutting edge innovator who continuously studies new technologies and functionality and is involved in projects that push the capabilities of existing technologies;

  • Some years of relevant experience including cloud Infrastructure principles and methodologies with at least five years of experience supporting application development and software engineering functions;

  • Excellent understanding of design patterns and architectural patterns;

  • Experience with private, hybrid or public cloud technology;

  • Experience managing container orchestration tools such as PCF, Kubernetes, Mesos, Docker swarm or equivalent;

  • Solid understanding of Containerization and Virtualization technologies such as VMWare, docker;

  • Solid understanding of networking concepts (BGP, DNS, Load Balancing, firewall and core Internet), including CDN;

  • Experience working with Azure DevOps or similar tooling for tracking, developing, deploying software;

  • Familiarity with functional operations of server, storage, and network functions;

  • Detail-oriented with the ability to rapidly learn and take advantage of new concepts, business models, and technologies;

  • Strong soft skills, including attention to detail, problem-solving and communication skills;

  • Leadership Abilities: should be able to inspire and motivate team members, providing guidance and direction in architectural decision-making. Should foster a collaborative work environment, encourage knowledge sharing and mentor junior team members to facilitate their professional growth;

  • Business Acumen: outstanding capabilities to understand the business context and objectives, to align the technical solutions with the organization goals, and should be able to assess the impact of architectural decisions on business outomes and make strategic recommendations accordingly;

  • Proficient at collaboration and working with members of a team;

  • Ability to work with virtual teams (remote work locations); lead team of technical resources (employees and contractors) based in multiple locations.


  • 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 won't 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. That’s good;

  • And the ever-important work-life balance? We keep it in the right place.

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