Senior Data Architect — Shape Public-Sector Data Architecture

ABAKUS IT-SOLUTIONS; Brussel; Sur place; EUR 85 000 - 120 000; Plein temps

Résumé du poste

ABAKUS IT SOLUTIONS in Brussels seeks an Expert Data Architect to lead a large-scale public-sector digital transformation. You will analyse the current landscape, define data architecture principles and contribute to a pragmatic roadmap.

You will collaborate with business and IT stakeholders across data governance, MDM and modern architecture paradigms (Data Hub, Lakehouse, Data Mesh), translating requirements into actionable architecture decisions.

Qualifications

• Proven experience as a Senior / Expert Data Architect in complex IT environments.
• Strong expertise in data modelling, both conceptual and logical.
• Solid experience with data landscape mapping, including sources, flows, applications and repositories.
• Strong knowledge of Master Data Management (MDM), Systems of Record, data quality, metadata and data catalogues.
• Experience designing modern data architectures such as Data Hub, Lakehouse, Data Mesh, Data Fabric.
• Knowledge of data governance, lifecycle, access rights, GDPR.
• Experience with TOGAF, ArchiMate, DAMA-DMBOK or equivalent.
• Ability to translate business requirements into data models and architecture principles.

Responsabilités

• Analyse and document the existing data landscape, including data sources, applications, repositories, flows and interfaces.
• Identify data silos, redundancies, quality issues, ownership gaps and other architectural pain points.
• Design conceptual and logical data models for key business domains and produce the associated data dictionary.
• Identify master data, Systems of Record (SoR) and data ownership rules.
• Define data architecture principles and standards aligned with enterprise architecture.
• Assess and compare different data architecture paradigms such as Data Hub, Lakehouse, Data Mesh, Data Fabric and Data Virtualisation.
• Define appropriate patterns for API, event-driven architecture, replication, virtualisation and analytical data flows.
• Translate requirements related to security, GDPR, data sovereignty and digital sustainability into actionable architecture principles.
• Contribute to the definition of the target data architecture and document architectural decisions.
• Define the minimum data governance foundations required to support the target architecture, including roles, metadata, cataloguing, access rights and data lifecycle.
• Develop a prioritised and actionable roadmap, including transition architectures, work packages and dependencies.
• Facilitate workshops with Business Analysts, Enterprise Architects, Solution Architects, Data Engineers and other stakeholders.
• Present and defend architecture options and recommendations to decision-making stakeholders.
• Ensure knowledge transfer and produce clear, reusable documentation for internal teams.

Connaissances

Data modelling

Data landscape mapping

MDM

Data governance

APIs & event-driven

TOGAF

ArchiMate

Sparx EA

GDPR knowledge

English reading

Formation

TOGAF certification

Outils

Sparx Enterprise Architect

Description du poste

ABAKUS IT SOLUTIONS in Brussels seeks an Expert Data Architect to lead a large-scale public-sector digital transformation. You will analyse the current landscape, define data architecture principles and contribute to a pragmatic roadmap.

You will collaborate with business and IT stakeholders across data governance, MDM and modern architecture paradigms (Data Hub, Lakehouse, Data Mesh), translating requirements into actionable architecture decisions.