Infrastructure Engineer

Jobtailor

Greater London

Hybrid

GBP 90,000 - 130,000

Full time

3 days ago

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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

Build resilient, scalable, fault-tolerant infrastructure for WRITER's 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
Work with Kubernetes, Helm, Terraform, and cloud and AI tooling
Use AI agents to investigate incidents, draft Terraform and Helm changes, write runbooks, scaffold tooling, and review pull requests
Encode recurring infrastructure tasks as reusable internal skills for human and agent teammates
Lead incident response, post-mortems, and root-cause analyses
Own reliability, performance, and efficiency of core services end-to-end
Define and uphold SLOs and error budgets and carry the on-call pager
Balance immediate reliability work with long-term platform, observability, cost, and reliability investments
Collaborate with product, security, and engineering peers on system design from conception through launch
Report to the director of engineering

Requirements

5+ years of experience in infrastructure engineering, DevOps, or a similar role focused on building and operating large-scale, high-availability production systems at a high-growth product company
Experience running containerisation in production
Experience with Helm and Terraform or Pulumi on at least one major cloud (AWS preferred)
Good proficiency in Python or Go for automation and tooling
Daily workflow already includes agentic tooling such as Claude Code, Droid, Codex, or internal skills; this is a hard requirement
Demonstrated ability to challenge the status quo, identify systemic weaknesses, and propose innovative solutions to complex reliability problems
Ability to reason from constraints and failure modes and articulate tradeoffs in business terms
Ability to make reversible decisions, write rollback plans, work with monitoring and logging stacks, and stress systems safely
Excellent communication, collaboration, and problem-solving skills
Strong ownership and accountability for mission-critical systems
At least one end-to-end 0-to-1 infrastructure build with an attached outcome metric
Willingness and ability to work in person in the office 3 days per week
Legally authorized to work in the country where the job is located

Core Competencies

Demonstrates expertise in building and operating resilient, scalable infrastructure for high‑traffic enterprise platforms, with a strong focus on automation using Python or Go. Proven ability to lead incident response and uphold reliability standards while collaborating effectively with cross‑functional teams.

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