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Senior Platform Engineer

Attio· Engineering
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Hybrid (London), Hybrid (United Kingdom)£105k - £125kFull-timePosted 3mo ago

About the role

Senior Platform Engineer role at Attio. Owns platform infrastructure, CI/CD, observability, SLOs, incident response, and collaboration with product engineering to ensure reliable, fast, and cost-effective production systems at scale in a hybrid London (UK) environment.

Responsibilities

  • Build and evolve our platform infrastructure as code (Terraform, Kubernetes, GCP), so every environment is reproducible, version-controlled and auditable.
  • Own our CI/CD pipelines end-to-end, making builds, tests and deploys fast, reliable and secure for every engineer at Attio.
  • Own our observability stack - metrics, logging and distributed tracing - as the foundation of an exceptional reliability culture.
  • Define and hold SLOs for latency, availability and error rates, and manage capacity to stay comfortably inside them.
  • Lead incident response: triage and resolve complex production issues, then run blameless post-mortems and ship the fixes as code.
  • Partner with product engineering teams to remove manual toil and shorten the path from writing code to running it in production.

Qualifications

  • Hands-on experience operating production systems with an SRE mindset: SLOs, error budgets, toil reduction and blameless post-mortems.
  • Excellent knowledge of modern cloud architectures (either GCP or AWS), including networking, IAM and managed services.
  • Demonstrable deep expertise with Docker and Kubernetes at scale, covering cluster design, networking, storage and security.
  • Proficiency in a modern language such as Typescript, Go, Python or Rust, and a track record of writing well-tested automation.
  • Experience owning mission-critical operational tooling, including centralised logging or APM (e.g. Datadog, Splunk).
  • Ability to communicate technical ideas to the wider team and influence how other engineers build and operate their services.

Skills

Required:SRE mindset and practicesCloud architecturesDockerKubernetesProgramming languagesOperational toolingCommunication

Benefits

  • Competitive salary of £105,000 to £125,000
  • Equity in an early-stage tech company on an incredible trajectory
  • 25 days holiday plus local public holidays
  • Apple hardware
  • Private medical insurance through AXA
  • Pension contribution through Hargreaves Lansdown
  • Enhanced family leave
  • Team off-site in fun places! (Barcelona, Lisbon, Malta, Split)
Last updated Aug 30, 2026. Interested? Apply on the company site.
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About Attio

The revenue platform engineered for scale.

Attio is the AI CRM that builds pipeline, accelerates every deal, and compounds revenue around the clock.

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