Senior AI Agent Engineer — LangGraph & Knowledge Graphs

NES Fircroft; Matjhabeng Local Municipality; Hybrid; ZAR 300 000 - 400 000; Full time

Job summary

A leading engineering staffing provider is looking for a Senior AI Graph Engineer to design and implement complex semantic models and workflows in the Oil & Gas industry. This role involves deep collaboration with data teams to create intelligent data systems and APIs for analytics. Candidates should have advanced skills in LangGraph, Python, and domain knowledge in Oil & Gas data. The position offers hybrid working options and a full-time contract with long-term potential.

Qualifications

• Experience defining and building semantic models, ontologies, and taxonomies.
• Deep knowledge of Oil & Gas data domains.
• Ability to implement embeddings-assisted retrieval and cross-domain entity linking.

Responsibilities

• Architect and maintain knowledge graphs integrating data sources.
• Build and scale workflows for natural-language data exploration.
• Develop APIs and microservices for agent orchestration.

Skills

LangGraph

Python

Knowledge Graphs

Graph Databases

Relational Databases

Data Lakes

Natural Language Query Systems

AI/ML Knowledge

Education

6–10 years in data engineering or related field

1 year experience with LangChain/LangGraph

Tools

PostgreSQL

Neo4j

Docker

Kubernetes

Job description

A leading engineering staffing provider is looking for a Senior AI Graph Engineer to design and implement complex semantic models and workflows in the Oil & Gas industry. This role involves deep collaboration with data teams to create intelligent data systems and APIs for analytics. Candidates should have advanced skills in LangGraph, Python, and domain knowledge in Oil & Gas data. The position offers hybrid working options and a full-time contract with long-term potential.