Whitehall Resources are looking for a Machine Learning Engineer. This role is hybrid working with 3 days per week onsite in South Yorkshire, and the remainder remote working, for an initial 5-month contract.

***Inside IR35***

Job Description:

Build the knowledge, retrieval, and evaluation layer that allows the AI helpdesk to answer accurately and safely.

Key Responsibilities:

• Build and maintain data pipelines for IT knowledge articles, SOPs, ticket history, and troubleshooting content.
• Develop RAG pipelines, embeddings, indexing, and retrieval optimization.
• Improve answer quality using chunking, ranking, filtering, and grounding techniques.
• Create evaluation datasets and automated quality tests for accuracy, hallucination, and task completion.
• Support model selection, tuning, and performance benchmarking.
• Work with engineering teams to improve response quality and reduce failure ra...