Confirmed on the employer's own hiring board on Oct 18, 2026. First seen by Alion on Oct 7, 2026.
Senior AI Infrastructure Engineer (Agent Runtime Platforms)
London - Hybrid
ASAP
6 month Contract Inside IR35/ Fixed Term Employment
UST is looking for a Senior AI Infrastructure Engineer with deep experience building and operating production-scale agentic AI systems.
You'll work with leading agent runtime platforms such as Amazon AgentCore Runtime (or similar) to deploy, secure, and scale AI agents and multi-agent workflows across enterprise environments.
What You'll Do:
What You'll Bring:
Preferred Experience:
- Enterprise AI platform engineering and MLOps
- Event-driven architectures (Kafka, AWS Step Functions, EventBridge, Celery)
- Regulated industries such as Financial Services, Insurance, Healthcare, or Public Sector
- Large-scale multi-agent deployments
What We're Looking For:
A senior engineer who understands that successful AI solutions require robust runtime infrastructure, not just LLMs. You'll have hands-on experience building, deploying, and operating agent-based systems, with expertise in agent runtimes, tool integrations, permissions, guardrails, and memory/state management.
Hurry & apply!
#UST

