Referso Jobs

Senior Specialist, Context Engineer

MSD (I.A.) LLC, TW Branch · Posted Nov 10, 2026

Open

Hyderabad, Telangana, India
Hybrid
Full-time · Senior
7+ years

Senior Specialist, Context Engineer

MSD (I.A.) LLC, TW Branch · Posted Nov 10, 2026

Open

Hyderabad, Telangana, India
Hybrid
Full-time · Senior
7+ years

Ontology Architect & Knowledge Modeling Specialist

E-Infosol LLC · Posted Nov 9, 2026

Open

Chantilly, Virginia, United States
On-site
Full-time · Senior
10+ years

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Responsible for the semantic architecture, design, and implementation of enterprise knowledge graphs and ontological models that transform unstructured data into interconnected, machine-readable intelligence.

Responsibilities

Engineer domain-specific ontologies, taxonomies, and controlled vocabularies using modern semantic web standards (OWL, RDF, and SHACL).
Design semantic schemas that enable cross-system interoperability, advanced inference, and robust metadata management.
Collaborate with data scientists, software engineers, and AI architects to integrate semantic frameworks with enterprise graph databases (GraphDB, Neo4j).
Integrate semantic frameworks with modern AI pipelines including Retrieval-Augmented Generation (RAG) and vector search structures.
Establish strict data governance, validation workflows, and data harmonization pipelines.

Requirements

Bachelor's degree in Computer Science
Information Technology
Engineering
related technical discipline

Skills

OWL RDF SHACL Semantic web GraphDB

Ontology FDO

Synechron · Posted Nov 9, 2026

Open

Glasgow, Scotland, United Kingdom

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Graph Engineer / Ontologist to design, develop, and implement enterprise knowledge graphs and semantic data solutions in a regulated financial‑services environment.

Responsibilities

Design and develop knowledge graphs, ontologies, taxonomies, and semantic information models
Translate business, operational, financial, and regulatory requirements into formal graph and ontology specifications
Define entities, relationships, attributes, constraints, classifications, and semantic rules
Develop graph data models using RDF, OWL, SKOS, SHACL, SPARQL, property‑graph models and Cypher
Build data‑mapping and ingestion processes from relational databases, APIs, documents, and other enterprise data sources

Requirements

Relevant degree or equivalent experience in computer science, information systems, data science, mathematics, engineering, or a related field
Nice to have: Experience in banking, capital markets, financial services, risk, compliance, or regulatory data
Nice to have: Knowledge of financial‑industry standards and reference models such as FIBO, ISO 20022, LEI
Nice to have: Experience with data lineage, metadata management, master data management, data catalogues, or data governance
Nice to have: Familiarity with cloud platforms, containerisation, CI/CD, and infrastructure‑as‑code

Skills

Graph engineering Ontology development Semantic modelling Knowledge representation Data modelling principles Information architecture RDF OWL SKOS SHACL SPARQL Neo4j Amazon Neptune Stardog GraphDB AllegroGraph

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Data Centric Architecture (DCA) Specialist

Saab · Posted Nov 9, 2026

Open

Solna, Stockholm County, Sweden
Hybrid
Full-time · Senior

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A specialist role focused on pivoting data strategy from application-centric silos to a unified, data-centric ecosystem, leading the design and implementation of ontologies and semantic layers.

Responsibilities

Lead the design and implementation of ontologies and semantic layers
Own and define the metadata management strategy
Ensure data is discoverable, traceable, and governed
Act as a technical leader within the designated technical area
Drive the development of the technical area and anticipate future trends

Requirements

Degree in Computer Science, Engineering, or Physics field

Skills

Data-Centric Architecture Ontologies Semantic layers Metadata management RDF OWL SHACL SPARQL

Data Centric Architecture (DCA) Specialist

Saab · Posted Nov 9, 2026

Open

Stockholm, Stockholm County, Sweden +1 more

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Lead the design and implementation of ontologies and semantic layers to pivot data strategy from application-centric silos to a unified, data-centric ecosystem.

Locations (2)

Stockholm, Stockholm County, Sweden
Solna, Stockholm County, Sweden

Responsibilities

Lead design and implementation of ontologies and semantic layers
Own and define metadata management strategy
Ensure data is discoverable, traceable, and governed
Drive technical development and advocate for change
Engage in external and international relations

Requirements

Bachelor's degree in Computer Science, Engineering, Physics or related technical field

Skills

RDF OWL

Senior Semantic Engineer

Argus Media · Posted Nov 6, 2026

Open

London
Hybrid
Senior

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Lead the development and maintenance of enterprise semantic assets, ontologies, taxonomies, and knowledge graph solutions.

Compensation

Competitive salary and company bonus scheme

Responsibilities

Discover, analyse, transform, validate and publish semantic assets derived from enterprise data
Support development and maintenance of ontologies, taxonomies, controlled vocabularies, business glossaries and knowledge graph assets
Bridge between enterprise data sources, metadata platforms and semantic assets
Apply semantic technologies, data analysis, automation and modern AI-assisted techniques
Prepare, transform, validate and publish semantic assets

Requirements

Nice to have: Graphologi
Nice to have: PoolParty
Nice to have: TopBraid EDG
Nice to have: Semaphore
Nice to have: OpenMetadata

Skills

RDF RDFS SKOS OWL SHACL Linked Data

Semantic Analyst

Argus Media · Posted Nov 6, 2026

Open

London
Hybrid
Senior

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Responsible for definition, governance and stewardship of Argus semantic assets, including ontologies, taxonomies, thesauri, glossaries, controlled vocabularies and semantic reference data.

Compensation

Competitive salary and company bonus scheme

Responsibilities

Define semantic requirements and evaluate candidate concepts for governance and modelling
Design and maintain ontologies, taxonomies, thesauri, glossaries and controlled vocabularies
Operate semantic governance processes and approval workflows
Manage the lifecycle of semantic assets from proposal through retirement
Conduct quality reviews, impact assessments and change management activities

Requirements

Nice to have: Graphologi
Nice to have: PoolParty
Nice to have: Knowledge graph
Nice to have: Information architecture
Nice to have: Metadata management

Skills

Ontologies Taxonomies Thesauri Controlled vocabularies Business glossaries

Ontologist, Product Knowledge

Amazon · Posted Nov 6, 2026

Open

Seattle, Washington, United States +1 more
On-site
$83K–$159K per year
3+ years

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Build and maintain product knowledge ontologies to enhance Amazon’s product discovery across web and mobile experiences.

Locations (2)

Seattle, Washington, United States
New York, New York, United States

Compensation

USA, NY, New York - 91,000.00 - 159,200.00 USD annually USA, WA, Seattle - 82,700.00 - 144,700.00 USD annually

Responsibilities

Develop logical, semantically rich, and extensible data models for Amazon's expansive product catalog
Ensure ontologies provide comprehensive sub-domain coverage for machine ingestion and inference
Research worldwide understanding of Amazon products to develop scalable data models
Create new schema using Generative Artificial Intelligence models
Expand existing data retrieval techniques using product catalog and query languages

Requirements

Bachelor's degree or equivalent
Nice to have: Master’s degree in Library Science, Information Systems, Linguistics

Knowledge Engineer / Semantic Expert for AI

Accenture Infrastructure and Capital Projects, LLC · Posted Nov 5, 2026

Open

California, United States +13 more
Full-time
$74K–$220K per year
12+ years

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Lead and develop Knowledge Graph solutions, design AI and semantic solutions, collaborate with cross-functional teams, justify value of semantic layer to clients, support sales efforts, and stay current on emerging AI technologies.

Locations (14)

California, United States
Colorado, United States
Connecticut, United States
District of Columbia, United States
Illinois, United States

Data Solution Architect

Indra Group · Posted Nov 5, 2026

Open

Madrid, MD, ES
Hybrid

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Arquitecto/a de Soluciones y Datos en unidad de CiberDefensa

Responsibilities

Diseñar y evolucionar la arquitectura de datos y soluciones
Definir modelos de información, ontologías y modelos semánticos
Diseñar integraciones mediante APIs, servicios, bases de datos y eventos en tiempo real
Garantizar la interoperabilidad y trazabilidad entre requisitos, datos y sistemas
Colaborar con equipos funcionales y de desarrollo para transformar necesidades operativas en soluciones técnicas

Skills

Arquitectura de datos Modelado de información Ontologías RDF OWL SHACL SPARQL APIs Servicios Bases de datos

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