Job Specifications
Job Title: Enterprise IT Architect
Location: 1060 Brussels, Belgium
Languages: English, French, Dutch
Contract Duration: As soon as possible - 31/12/2026
Working Mode: Hybrid
Job description:
Developing an integrated and consolidated application architecture for the projects within the strategic roadmap to ensure proper exploitation and to ensure applications of good usability and sustainable quality. This includes:
Take a leading role in identifying and structuring applications, application components and application functions that support the cross-functional processes in the broader organization
Creating a product catalogue and a logical application landscape, including an overview of the products and their mutual relationships
Maintaining and updating these architecture deliverables to ensure their continuity in order to meet the needs and efficiency of the information systems.
Develop, optimize, and monitor intermediate and target architectures, both project-specific and at enterprise level.
Concretize the target architecture, together with business and IT, in line with the strategic objectives of the organization.
Supporting strategic decisions through impact analyses, scenario development and the provision of correct, essential and sufficient information.
Contribute to business cases (e.g. Buy vs. Build), RFPs, defining master plans and programs, and realizing proofs of concept.
Contribute to the development of transformation roadmaps, including architectural dependencies, risks, and priorities.
Monitoring the architectural quality of IT solutions, in collaboration with application architects and project teams
Translate, apply, and disseminate generally accepted Application Architecture standards to the various teams, taking into account internal transformation processes and other applicable standards within Company.
Supporting other roles (architects, IT project managers, functional analysts, developers, etc.) in applying architectural principles, standards and reference models
Targeted coaching of other architects
Supporting collaborative initiatives within Social Security (eGov 3.0, etc.)
2. Technical and generic competencies:
Experience in setting up, implementing, and monitoring IT architecture governance and application architecture.
Analytical and strategic thinking: able to perform impact analyses, evaluate scenarios, and substantiate decisions.
Able to evaluate legacy applications, develop migration plans, and guide integration into new platforms.
Possess the necessary technical expertise to engage constructively and substantively with IT experts.
You have the necessary leadership skills to involve your stakeholders in architectural governance and decision-making.
You are an excellent communicator, you provide structure for your stakeholders, and you work systematically.
Experience in change management: you can guide transformations and effectively manage resistance.
Collaborative: works effectively with various roles (architects, project managers, business analysts, developers) and encourages cross-domain collaboration.
Autonomy and results-oriented.
Advantages: Experience in the public sector, knowledge of pensions and the Belgian social security system.
Mandatory Skills:
Enterprise Architect Expert -
.NET Expert -
Agile / Scrum -Expert -
Would Take (Note: unclear skill name – may need clarification) - Expert
Java - Expert
TOGAF (The Open Group Architecture Framework) - Expert
Languages
Dutch • Level: Active knowledge
English • Level: Active knowledge
French • Level: Active knowledge
About the Company
OneSource is a pan European based recruitment, employment agency founded in response to the market demands for more flexible, cost-effective, tailored recruitment solutions. It aims at providing high-quality services to provide the best outcomes in the recruitment and employment of personnel from a diverse set of business sectors.
In today's highly competitive and ever-changing IT market, hiring the right candidate can
make the difference between success and failure of any mission-critical project.
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