Senior Ontology Expert

At Capgemini Engineering, the world leader in engineering services, we bring together a global team of engineers, scientists, and architects to help the world’s most innovative companies unleash their potential. From autonomous cars to life-saving robots, our digital and software technology experts think outside the box as they provide unique R&D and engineering services across all industries. Join us for a career full of opportunities. Where you can make a difference. Where no two days are the same.

#LI-Remote

Job Description

As part of our growing Data & AI practice, we are seeking a Senior Ontology Engineer to lead the development of enterprise semantic models, ontologies, and knowledge graph solutions that enable data interoperability and business understanding at scale.

Your Role

As a Senior Ontology Engineer, you will work closely with business stakeholders, data architects, and engineering teams to design and govern enterprise ontologies that support digital transformation initiatives. You will play a critical role in establishing semantic standards, driving knowledge graph adoption, and creating reusable semantic assets across the organization.

Key Responsibilities

• •Define, develop, and maintain enterprise ontologies and semantic models.
• •Design and govern Controlled Vocabularies, Taxonomies, and Business Glossaries.
• •Establish semantic modeling standards, best practices, and governance frameworks.
• •Design reusable semantic models supporting Knowledge Graph and Semantic Data Product initiatives.
• •Curate, validate, and manage ontology assets throughout their lifecycle.
• •Ensure semantic interoperability across enterprise systems, applications, and data products.
• •Collaborate with business SMEs, data architects, and technical teams to standardize terminology and business definitions.
• •Facilitate workshops and working sessions to achieve consensus on business concepts and metadata standards.
• •Support the implementation and evolution of enterprise knowledge management and semantic technologies.

Required Skills & Experience

• •5+ years of experience in Ontology Engineering, Semantic Modeling, or Knowledge Engineering .
• •Strong hands-on experience with:
• •OWL
• •RDF
• •SKOS
• •SHACL
• •Semantic Web technologies

• •Proven experience designing, implementing, and governing enterprise ontologies.
• •Practical experience delivering Knowledge Graph solutions and semantic data models at enterprise scale.
• •Expertise in creating and maintaining:
• •Controlled Vocabularies
• •Taxonomies
• •Business Glossaries

• •Strong understanding of:
• •Semantic interoperability
• •Metadata management
• •Ontology governance and lifecycle management

Excellent communication and stakeholder management skills with the ability to facilitate business workshops and drive consensus among diverse stakeholders.

Nice to Have

• •Experience within Manufacturing , Life Sciences , or Pharmaceutical domains.
• •Hands-on experience with:
• •Neo4j
• •Protégé
• •GraphDB

• •Exposure to enterprise data governance initiatives and modern Data & AI platforms.
• •Familiarity with Knowledge Graph architecture and semantic technologies within large-scale organizations.

What You Will Love About Working Here

We care about all our employees and want them to feel as comfortable as possible. That's why we offer health insurance from the first days, regardless of the probationary period.The Gift from the Company - Christmas holidays from December 25 to December 31.Cooperation with Superhumans center and Veteran HUB. Capgemini Engineering has supported the launch of psychological rehabilitation department of Superhumans. Our team also donated over UAH 500 000 prosthetics for three Ukrainian defenders. Currently, we support psychological counseling provided by the Veteran Hub, and we have implemented an internal policy making the company friendly to military and veterans with the assistance of the Hub.

Capgemini is a global business and technology transformation partner, helping organizations to accelerate their dual transition to a digital and sustainable world, while creating tangible impact for enterprises and society. It is a responsible and diverse group of 340,000 team members in more than 50 countries. With its strong over 55-year heritage, Capgemini is trusted by its clients to unlock the value of technology to address the entire breadth of their business needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem.

#LI-AT5