Linked Open Data specialist JP055223

ITProposal; Brussel; Hybride; EUR 120 000 - 166 000; Temps partiel

Résumé du poste

ITProposal in Brussels seeks a Linked Open Data Specialist / Data Architect to transform open geographical data into a Linked Open Data ecosystem. The hybrid, part-time role focuses on interoperability, semantic modelling and governance for international data exchange.

You will develop a target semantic model, assess ontologies, and facilitate workshops with stakeholders to define use cases and a roadmap for RDF/OWL/SKOS implementations.

Qualifications

• Proven experience as a Data Architect / Linked Open Data Specialist.
• Strong knowledge of RDF, OWL, SKOS and SPARQL.
• Experience translating business needs into semantic models and data architectures.
• Ability to facilitate workshops with business and data stakeholders.

Responsabilités

• Analyse datasets, structures and data models to design a semantic model.
• Identify entities, attributes and relationships for LOD.
• Develop and document a conceptual data model and align with ontologies.
• Produce RDF/OWL diagrams and semantic mappings.
• Define governance for URI/IRI identifiers and interoperability.

Connaissances

Linked Open Data

RDF

OWL

SKOS

SPARQL

Knowledge Graphs

Ontology Design

Semantic Modelling

URI Governance

Stakeholder Facilitation

Outils

GeoSPARQL

INSPIRE

Description du poste

Linked Open Data Specialist – Brussels | Hybrid

We are looking for a Linked Open Data (LOD) Specialist / Data Architect to support a strategic and technical initiative focused on transforming open geographical data into a Linked Open Data ecosystem.

Location: Brussels, Belgium
Work model: Hybrid
Start: ASAP
Duration: Until January 2027
Commitment: Part-time (2/5)
Daily Rate: €650–€900/day

Your Mission

You will conduct a strategic and technical study to prepare the transformation of existing open-data assets into Linked Open Data, with a strong focus on interoperability, semantic modelling, reuse and integration with international data ecosystems.

Key responsibilities include:

• Analyse existing datasets, structures and data models
• Identify business entities, attributes and relationships
• Develop and document a conceptual data model
• Produce UML, RDF or equivalent representations
• Identify and assess relevant ontologies and vocabularies
• Define semantic alignments and extensions
• Develop a target semantic model
• Identify stakeholders and facilitate workshops
• Capture and prioritise business use cases
• Define competency questions to validate the semantic model
• Identify relevant external reference datasets
• Assess interoperability opportunities with sources such as Wikidata, GeoNames and INSPIRE
• Define a governance strategy for URI/IRI identifiers
• Establish naming conventions and rules ensuring stable, persistent identifiers
• Evaluate RDF modelling, transformation, publication and storage technologies
• Propose a target architecture and recommend suitable tools
• Define an implementation roadmap, dependencies, risks and indicative planning
• Produce clear strategic recommendations and final deliverables

Required Skills & Experience

• Strong experience as a Data Architect / Linked Open Data Specialist
• Proven experience with Linked Open Data (LOD)
• Strong knowledge of:
  • RDF
  • OWL
  • SKOS
  • SPARQL
  • Knowledge Graphs
  • Ontology Design
  • Conceptual & Semantic Modelling
  • URI / IRI Governance
  • Data interoperability and standards alignment
• Experience translating business requirements into semantic and data models
• Experience facilitating workshops with business and data stakeholders
• Ability to evaluate data architectures, technologies and implementation approaches
• Strong analytical and documentation skills

Nice to Have

• Experience with GeoSPARQL
• Knowledge of INSPIRE and geographical data
• Experience with geospatial / topographic datasets
• Knowledge of international reference datasets
• Experience designing or implementing Knowledge Graph solutions
• Experience with open-data initiatives and public-sector environments

Languages

Dutch: Active knowledge
French: Active knowledge
English: Passive knowledge

Ideal Profile

We are looking for a specialist who can combine data architecture, semantic modelling and Linked Open Data expertise with strong stakeholder and workshop facilitation skills.

The successful candidate should be able to translate complex datasets and business requirements into a practical semantic architecture and a clear roadmap towards a sustainable Linked Open Data implementation.