Machine Learning Engineer

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Are you ready to make a real impact? At the forefront of national security, Roke is a trusted partner delivering mission‑critical solutions that protect the UK and its interests.

As a Machine Learning Engineer at Roke, your mission is to harness the power of AI to protect and advance national interest. You’ll be part of a team that transforms complex data into actionable intelligence, enabling decision‑makers to stay ahead of emerging threats. Your work will directly contribute to safeguarding the UK through innovative, ethical, and secure AI solutions.

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• Design, develop, and deploy machine learning models to solve real‑world problems in national security.
  
• Collaborate with multidisciplinary teams to integrate AI capabilities into mission‑critical systems.
  
• Conduct research and rapid prototyping to explore new algorithms and techniques.
  
• Apply MLOps best practices to ensure scalable, maintainable, and secure model pipelines.
  
• Work with large language models (LLMs) to build intelligent agents, enhance retrieval systems, and improve user interaction.
  
• Translate stakeholder requirements into technical solutions, balancing innovation with operational needs.
  
• Contribute to the continuous improvement of our AI/ML frameworks and tooling.
  
• Engage with clients and partners to understand challenges and deliver impactful solutions.
  

We’re looking for individuals with a blend of analytical thinking, stakeholder engagement, and a passion for national security.

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• Strong Python coding skills.
  
• Hands‑on AI/ML expertise: Built and deployed models using PyTorch, TensorFlow, or scikit‑learn.
  
• LLM expertise: Experience with prompt engineering, RAG, fine‑tuning, agents, evaluation, and safety, with frameworks such as LangChain or LangGraph.
  
• Research: Reading papers, prototyping, and implementing algorithms (AI or otherwise).
  
• MLOps: Strong grasp of CI/CD for models, version control, monitoring, retraining pipelines (MLflow, DVC, Weights  Biases).
  
• Cloud: Practical experience deploying AI solutions on AWS.
  
• Experience with containerisation (Docker) for scaling AI deployments.
  
• Software engineering fundamentals: version control (Git), CI/CD, testing.
  
• Passion for staying current with AI/ML research landscape.
  

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• Purpose‑Driven Work: Contribute to projects that protect lives and national interests.
  
• Innovation at the Core: Work with leading‑edge technologies in AI, Cyber, and Cloud.
  
• Career Growth: Be part of a growing business with clear progression paths and investment in your development.
  
• Culture of Excellence: Join a team of experts who are passionate, collaborative, and mission‑focused.
  
• Flexible Working: Hybrid model with time at state‑of‑the‑art offices, remote work, or client sites.
  

We have locations in Hursley, Southampton, Whiteley, Bournemouth, Romsey, Chilworth, and Portsmouth. Expect a proportion of your time to be spent on client sites in London.

Due to the nature of this role, we require eligibility for DV clearance. You must be a British Citizen and have resided in the UK for the last 10 years.

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• Associate
  

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• Full‑time
  

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• Information Technology and Consulting
  

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• IT Services and IT Consulting
  

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We look forward to hearing from you. The Next Step… Click apply, submitting an up‑to‑date CV.