Senior AI Infrastructure Engineer (Remote UK)

Together AI; Greater London; On-site; GBP 90,000 - 140,000; Full time

Job summary

Together AI is building one of the world's largest GPU fleets and autonomous AI infrastructure in the UK. We are hiring for an Infra Agent Systems role that designs production AI agent systems, knowledge graphs, and retrieval systems to operate at scale.

You will own critical components from architecture to production, collaborating across platforms and observability tooling. Remote in the UK, this role offers the chance to work on foundational systems at scale, enabling agents to diagnose,

Qualifications

• 5+ years of experience building production backend systems, distributed systems, or infrastructure platforms.
• Strong systems design skills and ownership of significant systems.
• Expertise in AI agent systems, knowledge graphs, search/retrieval/grounding.
• Strong backend engineering experience, including API design, data modeling, and integrations across complex systems.
• Experience with Kubernetes and GitOps tools such as ArgoCD; cloud platforms.
• Proficiency in Go, TypeScript, Python, or Rust.

Responsibilities

• Design and build production AI agent systems that diagnose, investigate, and remediate infrastructure issues across one of the world’s largest GPU fleets.
• Build the distributed services, orchestration framework, knowledge graph, and retrieval systems that power infrastructure agents.
• Develop fleet intelligence systems that combine telemetry, infrastructure state, operational knowledge, and historical incidents to help agents make better decisions.
• Integrate with observability, incident management, ticketing, fleet inventory, source control, chat, and internal infrastructure systems through well-designed APIs.
• Own services end to end, including architecture, implementation, testing, deployment, observability, and production operations.
• Improve agent performance through evaluations, retrieval improvements, better tools, and production feedback loops.
• Turn what agents learn in production into reliable, reviewed software and automation.

Skills

Backend engineering

Distributed systems

Kubernetes

Go

TypeScript

Python

Rust

Education

Bachelor's degree in Computer Science

Tools

ArgoCD

Kubernetes

NATS

Kafka

Prometheus

Grafana

Job description

Together AI is building one of the world's largest GPU fleets and autonomous AI infrastructure in the UK. We are hiring for an Infra Agent Systems role that designs production AI agent systems, knowledge graphs, and retrieval systems to operate at scale.

You will own critical components from architecture to production, collaborating across platforms and observability tooling. Remote in the UK, this role offers the chance to work on foundational systems at scale, enabling agents to diagnose,