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Senior AI Engineer

Harwell, England, United Kingdom🌐 Remote💼 Full-time💰 $182,000–$182,000🗓 2026-09-07 → 2026-09-25

Core

Design and build multi-agent AI systems from the ground up for high-stakes decision-making in defence, security, and commercial sectors.

Role type

Senior Applied AI Engineer (Private Sector Contractor)

Builds

Agentic AI systems, multi-agent pipelines, reasoning and retrieval infrastructure, and production-grade code for mission-critical environments.

Domain

Defence, national security, critical infrastructure, and commercial high-stakes decision-making.

Deliverable

production ML models

Required skills

Python, LLM frameworks (LangGraph, LangChain, Haystack), multi-agent system design, production-grade software engineering, data pipeline construction, model integration (LLM/VLM), search and retrieval over large multi-modal datasets, cloud/on-premises deployment, Docker, Git, AWS.

Preferred skills

Multimodal reasoning, edge/offline AI deployments, Kubernetes (EKS/OpenShift), MLOps, observability tooling for agentic systems.

Technologies

LangGraph, Haystack, LangChain, AWS, Docker, Git, Kubernetes, EKS, OpenShift.

Responsibilities

Design and build multi-agent AI systems from the ground up; write clean, tested, maintainable code with reliability and latency as first-class concerns; integrate large language and vision-language models into reasoning and task-execution pipelines; deploy systems into cloud, on-premises, and fully offline environments; build production pipelines from data ingestion through inference; create evaluation, observability, and guardrails for system behaviour; set technical direction and design patterns for the workstream.

Seniority

Senior, hands-on IC with technical ownership

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