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Senior AI Engineer

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Contract Senior AI Engineer/ London Security Clearance: Active SC required The Opportunity We’re looking for a Senior AI Engineer to design, build and run cutting-edge AI-enabled applications that drive real organisational impact. This is a hands-on engineering role focused on applying advanced AI (especially large language models) in live services—rather than developing new algorithms from scratch.

Contract Senior AI Engineer/ London
Security Clearance: Active SC required


The Opportunity

We’re looking for a Senior AI Engineer to design, build and run cutting-edge AI-enabled applications that drive real organisational impact.

This is a hands-on engineering role focused on applying advanced AI (especially large language models) in live services—rather than developing new algorithms from scratch.

You’ll work at the forefront of:

  • AI Assistants
  • Agentic systems
  • Retrieval-Augmented Generation (RAG)
  • Enterprise-grade AI solutions

What You’ll Be Doing

  • Designing and delivering AI-powered applications using modern cloud platforms
  • Building and operating LLM-based systems, including RAG pipelines and agents
  • Developing robust, scalable solutions using software engineering best practices
  • Integrating AI capabilities into existing systems and workflows
  • Monitoring performance, cost, reliability, and security of AI services in production
  • Collaborating with cross-functional teams to bring AI ideas to life
  • Ensuring AI systems meet ethical, governance, and compliance standards
  • Supporting experimentation, proofs of concept, and continuous improvement

🛠️ Tech & Tools

You’ll work with technologies such as:

  • Python
  • Azure AI / cloud platforms
  • Microsoft Copilot Studio
  • Azure OpenAI & AI Foundry
  • APIs, CI/CD pipelines, version control

What We’re Looking For

Essential:

  • Strong experience delivering AI applications into production
  • Solid software engineering background (Python, cloud-based systems)
  • Hands-on experience with large language models (LLMs)
  • Experience working in multidisciplinary delivery teams
  • Ability to shape and recommend AI use cases with real business value

Desirable:

  • Experience in regulated or public sector environments
  • Familiarity with agile or user-centred delivery approaches

What Makes This Role Different

  • Focus on real-world AI impact, not academic modelling
  • Ownership of solutions from design through to live operation
  • Opportunity to work on secure, scalable, and responsible AI systems
  • Exposure to emerging AI patterns like agentic workflows and assistants

Key Skills

  • Software engineering & system integration
  • LLM application design & prompt engineering
  • Data ethics, governance, and security awareness
  • Stakeholder communication (technical & non-technical)
  • Understanding of product delivery and business value

What You’ll Deliver

  • Production-ready AI applications
  • Scalable and secure solution architectures
  • Measured and monitored AI systems
  • Reusable components and technical documentation

Robert Walters Operations Limited is an employment business and employment agency and welcomes applications from all candidates

Contract Type: Temporary Interim Management

Specialism: Technology & Digital

Focus: Software Development/Engineering

Industry: IT

Salary: Negotiable

Workplace Type: Hybrid

Experience Level: Mid Management

Location: Cardiff

Job Reference: 88O8WJ-AAED6646

Date posted: 18 June 2026

Consultant: Tina Sollom