Knowledge Engineer

Fusion Consulting; Berlin; On-site; EUR 70,000 - 100,000; Full time

Job summary

Fusion Consulting is seeking a Knowledge Graph Engineer to design and implement enterprise ontologies and knowledge graphs for life sciences data. You will translate business concepts into RDF/OWL representations, collaborate with SMEs, and ensure scalable, standards-based governance across systems.

You will work with graph databases and platforms like Stardog or AWS Neptune, applying SPARQL queries to enable AI-driven analytics and cross-domain reasoning. Fluent English required.

Qualifications

• 3–5 years in engineering, semantic modeling, or information/knowledge management.
• Proficiency in ontology and taxonomy modeling and formal representation languages (e.g., RDF, OWL, SKOS).
• Hands-on experience building enterprise ontologies and knowledge graphs (e.g., Stardog, AWS Neptune).
• Ability to work with SMEs to capture domain logic and turn business definitions into machine-readable structures.
• Strong communication, problem-solving and stakeholder management, focused on reuse and scalability across use cases.
• Practical experience with graph databases and knowledge graph platforms (e.g., Stardog, AWS Neptune), including SPARQL querying.
• Ability to work independently and take ownership within a collaborative team.
• Deep understanding of regulatory requirements, data governance practices, and industry trends.
• Strong English communication skills (spoken and written).

Responsibilities

• Design and Build Enterprise Ontologies & Knowledge Graphs: develop entity hierarchies, relationships, and inference rules for AI reasoning across data domains.
• Formalize Knowledge Representations: translate business definitions into machine-readable representations (OWL, RDF) ensuring consistency and scalability.
• Capture Domain Logic: work with SMEs to elicit and formalize domain knowledge into ontologies and taxonomies.
• Maintain Clear Semantic Boundaries: coordinate with data modelers to separate ontology, semantic data model, and knowledge graph.
• Ensure Standards and Governance: align assets with internal standards and governance guidelines for ontology and knowledge graph development.
• Enable AI and Analytics Use Cases: support diverse downstream consumers including conversational analytics and cross-domain reasoning.

Skills

Ontology modeling

Knowledge graphs

SPARQL

Graph databases

Stardog

AWS Neptune

English communication

Tools

Stardog

AWS Neptune

Job description

Company Description

Transforming Life Science Consulting Worldwide. Fusion Consulting is a globally leading Business and IT boutique consultancy specialized in the Life Sciences industry, partnering with leading companies in pharma, healthcare, and animal health. With over 450 employees and 25 offices worldwide, our mission is to revolutionize our clients' business transformation challenges and set new industry standards through innovative solutions. Focused on S4HANA, Data & Cloud, and innovative technologies, Fusion Consulting brings unparalleled expertise and commitment to excellence to every project we undertake. Grounded in our commitment to fast and intelligent decision-making, our client-first and open-hearted approach defines our ethos. With unwavering support and an entrepreneurial spirit, our global teamwork transcends boundaries and turns shared visions into reality.

Job Description

• Design and Build Enterprise Ontologies & Knowledge Graphs: Develop entity hierarchies, relationship types, and inference rules that allow AI systems to reason correctly across commercial data domains.
• Formalize Knowledge Representations: Translate business definitions and data models into machine-readable representations (e.g., OWL, RDF), ensuring consistency, reusability, and scalability.
• Capture Domain Logic: Work with business subject matter experts to elicit, capture, and formalize domain knowledge and business logic into structured ontologies and taxonomies.
• Maintain Clear Semantic Boundaries: Collaborate with data modelers and semantic engineers to maintain well-defined boundaries between the ontology, the semantic data model, and the knowledge graph.
• Ensure Standards and Governance: Align knowledge assets with internal standards and semantic web best practices and contribute to governance guidelines for ontology and knowledge graph development.
• Enable AI and Analytics Use Cases: Ensure knowledge structures support a broad range of downstream consumers including conversational analytics, AI agents, and cross-domain reasoning rather than a single use case.

Qualifications

• Experience & Expertise: 3-5 years in engineering, semantic modeling, or information/knowledge management. Proficiency in ontology and taxonomy modeling and formal representation languages (e.g., RDF, OWL, SKOS), with hands-on experience building enterprise ontologies and knowledge graphs (e.g., Stardog, AWS Neptune)
• Business Translation: Ability to work with SMEs to capture domain logic and turn business definitions into clear, machine-readable structures
• Strategic Skills: Strong communication, problem-solving and stakeholder management, focused on reuse and scalability across use cases
• Technical Understanding: Practical experience working with graph databases and knowledge graph platforms (e.g., Stardog, AWS Neptune, or similar), including querying with SPARQL
• Ways of Working: Ability to work independently and take ownership and accountability on assigned tasks driving execution through completion while being part of a collaborative team
• Industry Knowledge: Deep understanding of regulatory requirements, data governance practices, and industry trends
• Language: Strong communication skills in English (spoken and written), be an effective, passionate, trusted advocate and communicator for knowledge graph and Semantic Web technologies

Additional Information

WHY YOU SHOULD JOIN FUSION:

At Fusion, you’ll join a diverse team of talented professionals from around the world, united by a passion for delivering impactful digital transformation in the life sciences industry. You’ll be part of a flat-structured, collaborative organization where decisions are made efficiently, and your expertise directly shapes client outcomes. You’ll work alongside experienced consultants on complex, meaningful projects that demand both precision and innovation. Our culture emphasizes continuous learning, open knowledge sharing, and cross-functional teamwork—empowering you to grow both professionally and personally.

Joining Fusion Means Becoming Part Of a Company That

• Builds strong, trusted partnerships with clients, delivering tailored solutions that create real business value.
• Drives delivery excellence, holding ourselves accountable for the quality and impact of every outcome.
• Encourages entrepreneurial thinking, empowering you to take initiative, solve problems, and lead change.
• Operates with a truly global mindset, where diverse perspectives, cultures, and collaboration fuel our success.

What We Offer - Fusion Benefits

We’ve designed our benefits to support your growth, well-being, and global mobility.

Growth & Development

• Invest in Your Learning: Access annual training budget for professional development.
• Grow Your Skills: Join regular workshops and trainings to strengthen technical and soft skills.
• Advance Continuously: Build the mindset, confidence, and capabilities to grow your career on your terms.
• Shape an Inclusive Culture: Thrive in a workplace where your individuality is valued, and your voice drives meaningful change.

Recognition & Reward

• Earn What You’re Worth: Receive a competitive salary and benefits package that reflects your impact.
• Refer Talent: Get rewarded for recommending new hires through our referral program.

Global Mobility & Local Support

• Navigate Global Moves: Get help with visas, permits, and international assignments.
• Benefit Locally: Enjoy perks tailored to your country of residence.
• Collaborate Globally: Work in a diverse, inclusive culture where global teamwork drives success.

Fusion is an equal opportunity employer. We value diversity and are committed to fostering an inclusive workplace for all.