Platform Reliability Engineer — AI Infra & Cloud

Jobtailor; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Job summary

WRITER is seeking an experienced Infrastructure Engineer to build and run scalable, fault-tolerant systems for a high-traffic enterprise generative AI platform. You will balance SRE, DevOps, and platform work, and automate tasks using Python or Go.

Candidates should have 5+ years in infrastructure/DevOps, hands-on containerisation, and experience with Helm/Terraform or Pulumi across major clouds (AWS preferred). Hybrid work with three days in the office is expected.

Qualifications

• 5+ years of experience in infrastructure engineering, DevOps, or similar role focused on large-scale, high-availability production systems.
• Experience running containerisation in production.
• Experience with Helm and Terraform or Pulumi on at least one major cloud (AWS preferred).
• Proficiency in Python or Go for automation and tooling.
• Daily workflow includes agentic tooling (Claude Code, Droid, Codex, or internal) as a hard requirement.

Responsibilities

• Build resilient, scalable, fault-tolerant infrastructure for a high-traffic enterprise generative AI platform.
• Move between SRE, DevOps, Infrastructure, and Platform initiatives as priorities shift.
• Automate operational tasks and infrastructure management with Python or Go.
• Design and operate infrastructure across AWS, GCP, and Azure.
• Collaborate with product, security, and engineering peers on system design from conception through launch.
• Lead incident response, post-mortems, and root-cause analyses.

Skills

Infrastructure Engineering

DevOps Practices

Python or Go Automation

Kubernetes

Helm

Terraform

Pulumi

AWS

GCP

Azure

Tools

Agentic Tooling

Terraform

Helm

Job description

WRITER is seeking an experienced Infrastructure Engineer to build and run scalable, fault-tolerant systems for a high-traffic enterprise generative AI platform. You will balance SRE, DevOps, and platform work, and automate tasks using Python or Go.

Candidates should have 5+ years in infrastructure/DevOps, hands-on containerisation, and experience with Helm/Terraform or Pulumi across major clouds (AWS preferred). Hybrid work with three days in the office is expected.