Junior Ontology & Semantic Process Architect (f/m/d)

Join us in building the semantic backbone of Siemens, enabling AI, process harmonization, automation and smarter decision-making across Global Business Services (GBS). As a Junior Ontology & Semantic Process Architect (f/m/d) , you will work alongside senior architects to capture business knowledge, create clear semantic models and ensure accurate meaning in AI-driven solutions and digital services.

This role is ideal for analytical, curious and structured individuals looking to grow in consulting, AI transformation, and semantic modeling while contributing to strategic innovations at Siemens.

What we offer you

• 2 to 3 days of mobile working per week as a global standard
• Development opportunities for both personal and professional growth 
• 30 leave days and a variety of flexible working models that allow time off for yourself and your family 
• Share matching programs to become a shareholder of Siemens AG
• Appealing Siemens pension benefits

Since each of over 300,000 team members feels that other benefits are particularly important, and we cannot list our entire benefit portfolio here, you can find more information here .

The individual benefits are subject to regulatory, contractual, or corporate conditions.

You’ll make an impact by

• Semantic Discovery & Workshops:
• Preparing and assisting in workshops with business stakeholders to capture key domain knowledge.
• Documenting processes, terms, definitions and relationships while identifying inconsistencies across hubs.
• Business Process Analysis:
• Reviewing business documentation, processes and system logic to break down complex operations into structured semantic elements.
• Identifying entities, attributes, business rules and interactions.
• Building Conceptual Ontologies:
• Contributing to the creation of conceptual semantic models (no programming required).
• Maintaining modeling templates, glossaries and semantic libraries.
• Collaboration with Technical Teams:
• Supporting technical graph engineers by providing business context and validating implementations against business reality.
• Preparing semantic specifications and handover materials to ensure alignment.
• Governance & Documentation:
• Maintaining definitions, naming conventions, change logs and updating semantic artifacts.
• Ensuring semantic documentation is organized and easily accessible, including version management.
• Enablement & Internal Support:
• Creating visualizations, summaries and training materials for stakeholders.
• Supporting the onboarding process into the ontology approach and building a Community of Practice.

This is how you'll win us over

• Education: Bachelor’s degree in Industrial Engineering, Information Systems, Data Science or a related field.
• Experience & Skills:
• First experience in business analysis, data analysis, consulting, process management or similar roles.
• Strong analytical and structured thinking with the ability to simplify complexity into logical components.
• Interest in AI, semantic modeling, process improvement or enterprise architecture.
• Effective communication and stakeholder management skills.
• Ways of working:
• Structured and process-oriented with a collaborative approach to teamwork.
• Proactive engagement with challenges, paired with curiosity for new tools and solutions.
• Ability to adapt in dynamic environments and multitask effectively.
• Languages: Fluent English is essential; German proficiency is a strong advantage.
• Nice-to-Have:
• Exposure to BPMN, UML, taxonomies, or conceptual modeling methods.
• Familiarity with AI/ML, knowledge graphs, or information architecture (conceptual frameworks).
• Hands-on experience with tools like Miro, Confluence, Jira, or basic modeling tools.

You are much more than your qualifications, and we believe in the potential of every single candidate. We look forward to getting to know you!

At Siemens, we believe that feeling valued and included is the foundation for doing great work. That’s why we aim to create an inclusive workplace where everyone feels a sense of belonging, and where individual perspectives and experiences are celebrated. Our commitment to fairness and respect extends to every applicant.

As an equal opportunity employer , we welcome applications from individuals of all backgrounds and particularly encourage applications from persons with disabilities.

About us

Imagine being part of a company where you deliver innovative services across functions.

That's exactly what we do at Siemens Global Business Services. We are the creative force that provides other units of Siemens AG with state-of-the-art services. Whether it's fine-tuning business management, optimizing human resources, supply chains, or engineering, you'll find us involved. Are you ready to redefine the boundaries of what's possible?

You can find more information about the department and its services here

– if you would like to find out more about jobs & careers at Siemens.

FAQ – if you need further information on the application process.