AI Data Scientist – LLMs & Knowledge Graphs

Siemens AG; Cincinnati, Northern (OH, KY); Hybrid; USD 110,000 - 198,000; Full time

Job summary

Siemens Software in Cincinnati seeks an experienced AI Developer with expertise in Large Language Models, ontologies, and knowledge graphs to advance AI‑driven knowledge discovery and semantic search.

The role emphasizes scalable, production‑ready NLP pipelines, knowledge representation, and collaboration across teams. We offer hybrid work options, strong benefits, and opportunities to shape next‑generation AI solutions in a global software environment.

Qualifications

• Bachelor’s or Master’s degree in CS/Data Science/AI
• 6–10+ years of SDLC experience
• 3–5 years of AI/Large Language Models experience with NLP
• Strong background in ontologies, RDF/OWL, SPARQL
• Proficiency in Python and ML frameworks (TensorFlow, PyTorch)
• Excellent analytical and problem‑solving skills
• Strong communication and cross‑functional collaboration

Responsibilities

• Build scalable, intelligent systems focusing on semantic technologies
• Implement and optimize NLP models and processing pipelines
• Research knowledge representation and advancements in LLMs and semantic search
• Document development processes, architecture, and APIs for maintainability

Skills

AI development

NLP techniques

Knowledge representation

Python programming

ML frameworks

Analytical skills

Communication skills

Cross-functional teamwork

Education

Bachelor’s or Master’s degree in CS/DS/AI

Tools

TensorFlow

PyTorch

Neo4j

SPARQL

Python

Job description

Siemens Software in Cincinnati seeks an experienced AI Developer with expertise in Large Language Models, ontologies, and knowledge graphs to advance AI‑driven knowledge discovery and semantic search.

The role emphasizes scalable, production‑ready NLP pipelines, knowledge representation, and collaboration across teams. We offer hybrid work options, strong benefits, and opportunities to shape next‑generation AI solutions in a global software environment.