Senior Machine Learning Engineer

Machine Learning Engineer – Defence & National Security

UK-wide (must be willing to travel to Hereford or Poole 2–3 days per week)

£60,000 – £90,000 + benefits

Our client is a specialist AI consultancy delivering safe, impactful, and human-centric AI solutions to government, defence, and national security organisations. With over a decade of experience and a track record of supporting hundreds of global customers, they are at the forefront of applied AI — taking cutting-edge research into real-world deployment at scale.

They are now hiring a Machine Learning Engineer to join their Defence & National Security team. This role offers the opportunity to design, build, and operationalise production-grade AI systems that directly impact high-stakes projects in the UK.

What you’ll be doing

• Designing, building, and deploying software, infrastructure, and MLOps systems that leverage machine learning.
• Working in cross-functional teams with engineers, data scientists, product managers, and designers.
• Developing scalable, reusable tools that accelerate ML delivery.
• Providing technical expertise to customers and mentoring junior engineers.
• Contributing to the scope, design, and technical delivery of complex projects.
• Embedding best practices for AI systems in production, balancing technical, ethical, and operational requirements.

What we’re looking for

Travel & Location

Why join

This role is ideal for an engineer who wants to take machine learning beyond theory and into live operational systems that solve critical national challenges. If you have the technical depth, the clearance, and the drive to deliver meaningful outcomes, this is a chance to do work that truly matters while developing your career alongside some of the brightest minds in applied AI.