AI Engineer

• Strong Python coding skills.
• Hands-on experience building or deploying machine learning models using tools such as PyTorch, TensorFlow or scikit-learn.
• Good software engineering habits, including Git, testing and CI/CD basics.
• Curiosity about AI/ML research and the judgement to apply it responsibly and securely.
• Experience with containerization for deploying and scaling AI solutions (Docker).

Nice to have

• Experience with LLMs, prompt engineering, RAG, fine-tuning, agents, evaluation using frameworks such as LangChain or LangGraph.
• MLOps experience with tools such as MLflow, DVC or Weights & Biases.
• Practical experience deploying AI solutions on AWS.

Woking is close to London customer links and a short walk from the station. A proportion of your time may be spent on client sites in the London area. Clearance This role requires you to be eligible and willing to achieve DV clearance. Eligibility criteria are available on the gov.uk website. Why join us

• Competitive reward package - highly competitive salary, performance-related bonuses, salary reviews and pension scheme.
• Private medical cover - access to private healthcare through Bupa.
• Work-life balance - flexible working through flexi-time and hybrid arrangements, plus 30 days’ annual leave with the option to buy or sell additional holiday.
• Health and wellbeing support - flexible benefits including life assurance, a Healthcare Cash Plan, Employee Assistance Programme and eye care support.
• Recognition and rewards - length of service awards that celebrate and reward your contribution.
• Learning and development - access to LinkedIn Learning courses and our dedicated Roke Academy, supporting continuous learning and career development.
• Supportive and inclusive culture - a range of employee community groups that bring colleagues together, foster meaningful connections and create a genuine sense of belonging.

With a heritage spanning more than 70 years, Roke delivers specialist expertise across sensors, communications, cyber, artificial intelligence and machine learning. We transform complex data into actionable insight, helping organisations make smarter decisions and stay ahead of evolving challenges. United by purpose and driven by innovation, we’re on an exciting growth journey. We invest in technology, push technical boundaries, and empower our people to make a meaningful difference through work that protects what matters most. Shaping the future of digital defence and security. Solving complex, high-stakes challenges with purpose and lasting impact. Join Us in Securing the Nation’s Future Are you ready to make a real impact? At the forefront of national security, Roke are a trusted partner delivering mission-critical solutions that protect the UK and its interests. As a AI Engineer at Roke, you’ll help build ethical, secure AI solutions that turn complex data into insight for national security teams. You’ll join a supportive, collaborative group of engineers, scientists and analysts, working on projects where your ideas can make a real difference. Based from Woking or Romsey, you’ll work across AI, machine learning, cyber, cloud and data challenges, with some time on client sites in the London area when projects need it. What you’ll be doing

• Design, build and deploy machine learning models that solve real-world national security problems.
• Work with multidisciplinary teams to integrate AI into secure, mission-critical systems.
• Prototype new algorithms and approaches, turning research into practical tools.
• Use MLOps practices to make model pipelines scalable, maintainable and secure.
• Apply large language models to agents, retrieval systems and user-facing workflows.