Senior Data Architect

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 is looking for an Expert Data Architect to join a large-scale public-sector digital transformation programme in Brussels. In this role, you will analyse and model an existing data landscape, define data architecture principles, assess target architecture options and contribute to a pragmatic, prioritised roadmap. You will work at the intersection of business, enterprise architecture, solution architecture, data engineering and data governance, helping stakeholders move from an AS-IS landscape towards a coherent and sustainable data architecture.

Your Missions

• 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.

Your 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 comparing and designing modern data architecture approaches such as:
• Data Hub
• Data Lake / Lakehouse
• Data Mesh
• Data Fabric
• Good understanding of data integration and exposure patterns, including APIs, event-driven architecture, replication and analytical data pipelines.
• Knowledge of data governance, data ownership, lifecycle management, access rights and GDPR.
• Experience with architecture frameworks or methodologies such as TOGAF, ArchiMate, DAMA-DMBOK or equivalent.
• Experience with data modelling, architecture and mapping tools such as Sparx Enterprise Architect or similar.
• Ability to translate business requirements and processes into data models and architecture principles.
• Experience working closely with Business Analysts, Enterprise Architects, Solution Architects and Data Engineers.
• Strong analytical, communication and documentation skills.
• Ability to challenge assumptions, compare alternatives and provide well-argued architectural recommendations.
• English: Passive / Reading knowledge.
• Experience in the public sector and/or the education sector is a strong asset.
• TOGAF certification is an asset.

Why Join ABAKUS IT SOLUTIONS?

• Work on a strategic data architecture mission within a large-scale digital transformation programme.
• Contribute to decisions that will shape a long-term data architecture, rather than simply implementing predefined solutions.
• Collaborate with experienced professionals across data, enterprise architecture, solution architecture and governance.
• Work on challenging topics including Data Governance, MDM, data sovereignty, GDPR and modern data architecture paradigms.
• Join a professional IT consulting environment where your expertise and recommendations have a direct impact.
• Benefit from the support of an experienced IT organisation while working on high-value technology projects.