Senior Data Architect – Ontologies & Semantic Web

Description

Job Summary: We are seeking a Senior Data Architect specialized in ontologies, semantic web, and knowledge graphs for high-complexity technological projects. Key Highlights: 1. Experience in ontologies, semantic web, and knowledge graphs. 2. High-complexity technological projects in the defense sector. 3. Design of complex conceptual models and data dictionaries. DESCRIPTION We are looking for a Senior Data Architect specialized in ontologies, semantic web, and knowledge graphs to join directly a major multinational in the defense sector, participating in high-complexity technological projects within a corporate environment. Barcelona \| Hybrid Mode #### **Responsibilities:** * Design and maintain corporate cybersecurity architecture. * Assess risks and propose mitigation controls. * Define security standards and policies. * Supervise implementation of solutions. * Collaborate in internal and external audits. * Advise on IT and development projects. * Monitor threat and vulnerability trends. * Ensure regulatory compliance. REQUIREMENTS * Solid knowledge of ontologies, taxonomies, and semantic modeling. * Experience with semantic languages and standards: RDF, RDFS, OWL, and SPARQL. * Experience with Linked Data and knowledge graphs. * Experience designing complex conceptual models and data dictionaries. * Ability to produce technical documentation and define vocabularies. * Knowledge of data interoperability and semantic normalization. #### **Education:** * Bachelor’s degree in Computer Science, Mathematics, or related fields. * Master’s degree in Data Science, Artificial Intelligence, or Semantic Web is desirable. * Minimum English level B2 (C1 preferred). #### **Desirable Requirements:** * Experience with triplestores or graph databases such as Neo4j, GraphDB, or Stardog. * Knowledge of artificial intelligence applied to knowledge graphs. * Experience integrating data from multiple domains. * Familiarity with sector-specific standards in defense, healthcare, or industry. * Knowledge of NAFv4, enterprise architecture frameworks, and MBSE. * Experience with tools such as Enterprise Architect or Cameo. #### **Valuable Certifications:** * Certifications in Semantic Web or Data Science. * Neo4j Certified Professional. * TOGAF. * CDMP. #### **Personal Skills:** * Abstract thinking and conceptualization ability. * Strong analytical skills and capacity to structure complex information. * Attention to detail and terminological consistency. * Clear communication with both technical and functional stakeholders. * Continuous learning across diverse domains.