technology job

Data / RAG Engineer - watsonx.ai & Data

  • Posted April 28, 2026
  • £500 - £550 per day
  • London
  • Contract

Data / RAG Engineer – watsonx.ai & Data

Contract | July-December 2026
Up to £550 per day | Inside IR35
UK‑based | Mostly Remote (occasional onsite required)
British‑born nationals or UK residents (5+ years) | One passport only
Previous SC clearance highly advantageous

Build AI‑driven solutions using watsonx

We’re looking for an experienced Data / RAG Engineer to support the delivery of a high‑profile AI MVP using watsonx.ai and watsonx.data.

This role will play a key part in designing, implementing and optimising Retrieval‑Augmented Generation (RAG) pipelines and data foundations that enable LLM‑driven insights within a structured, secure delivery environment.

You’ll work closely with front‑end and AI delivery teams to ensure data, retrieval and model interactions are accurate, scalable and production‑ready.

Project overview

  • Start date: 1 July 2026
  • End date: 31 December 2026
  • Remote working: Yes (occasional onsite presence may be required)

Key responsibilities

Data & RAG Engineering

  • Design and implement Retrieval‑Augmented Generation (RAG) architectures to support LLM‑powered use cases
  • Build and manage data pipelines feeding structured and unstructured data into AI workflows
  • Optimise retrieval strategies, embeddings and indexing approaches for accuracy and performance

AI Integration

  • Integrate RAG pipelines with watsonx.ai models and services
  • Ensure reliable orchestration between data layers, retrieval logic and LLM prompts
  • Support prompt inputs with high‑quality, well‑governed data sources

Quality & Assurance

  • Validate outputs to ensure consistency, explainability and relevance
  • Support testing of data flows, retrieval accuracy and model responses
  • Ensure solutions align with secure SDLC and governance expectations

Collaboration

  • Work closely with UI engineers, AI engineers and solution leads
  • Support iterative MVP development and refinement based on stakeholder feedback

Required experience

  • Strong experience as a Data Engineer, RAG Engineer or AI‑focused Data Specialist
  • Hands‑on experience designing and implementing RAG pipelines
  • Strong understanding of LLMs, embeddings, vector databases and retrieval patterns
  • Experience building and managing data pipelines for analytics or AI use cases
  • Comfortable working in structured delivery environments

Nice to have

  • Experience with watsonx.ai and/or watsonx.data
  • Previous work on MVPs or proof‑of‑value AI initiatives
  • Experience supporting AI solutions in regulated or secure environments

Security & eligibility

  • British‑born national or UK resident with 5+ years’ continuous UK residency
  • One passport only
  • Previous SC clearance is a strong advantage
  • Willingness to comply with security and access requirements

Why this role?

  • Hands‑on delivery role shaping a real, production‑focused AI capability
  • Apply RAG techniques in a meaningful, decision‑support context
  • Mostly remote working with flexibility
  • Up to £550 per day, Inside IR35

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.

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