Senior Machine Learning Engineer - SC/DV Cleared

Role: Senior Machine Learning Engineer
Location: London (Hybrid)
Clearance Required: SC/DV Clearance or ability to obtain
Salary: £115,000 - £135,000 + Benefits

iO Associates have recently engaged with one of the most talked about Defence SMEs in the UK at the moment who is seeking a Senior Full-Stack AI/ML Engineer to deliver advanced AI capabilities into mission-critical Defence and National Security environments.

This role is focused on designing and deploying agentic AI systems that operate securely in air-gapped, edge, or constrained environments, supporting operational decision-making and autonomous workflows in complex, real-world conditions.

You'll lead the development of multi-agent architectures using LangGraph frameworks, integrate LLMs into secure toolchains, and bring cutting-edge AI research into practical deployment at scale, supporting sovereign capability and mission-readiness across defence and intelligence domains.

Key Skills & Experience:

- Commercial experience with LangGraph or equivalent agentic frameworks
- Python for AI/ML workflows, with Bash/Go for automation
- Secure cloud deployment experience (AWS - multi-account, multi-region)
- Terraform, Helm, CloudFormation
- Kubernetes (EKS/OpenShift) and CI/CD (GitHub Actions / Argo CD)
- Strong understanding of IAM, GuardDuty, and observability tooling
- Ability to translate research into hardened, production-grade systems

If you are interested in the above position, please contact me, James Chapman on or email me at (even if you don't have a CV yet, I'd like to speak with you!)