Platform Engineer - London

The role

The Platform Engineer will build reusable platforms, tools, and services to improve developer productivity and standardize engineering practices. This role writes code for the internal developer platform, including self-service tooling, infrastructure-as-code, and automation for CI/CD, cloud, and observability. The work supports conventional software and AI workloads.

What you will do

• Build and maintain self-service tooling, CLIs, libraries, and templates.
• Contribute features and fixes to the internal developer platform and portal.
• Provide day-to-day support to developers using platform services.
• Support governed self-service access to AI platform capabilities.
• Implement and maintain pipelines-as-code.
• Execute and support release activities using GitOps and change-management processes.
• Write and maintain automated tests and quality gates within pipelines.
• Author and maintain modular, tested infrastructure-as-code.
• Deploy and operate workloads across cloud platforms and Kubernetes.
• Instrument services and implement monitoring, logging, and alerting as code.

Required qualifications

• Proficiency writing production-quality code in Go and Python (plus PowerShell/Bash).
• Use of Git, pull requests, code review, and automated testing.
• Working proficiency building pipelines-as-code (GitHub Actions, Azure DevOps, GitLab CI, Jenkins).
• Experience with infrastructure as code (Terraform, Ansible, Helm) and GitOps concepts.
• Hands-on experience with at least one major cloud platform (AWS or Azure) and Kubernetes/Docker.
• Familiarity with observability tooling (Grafana, Datadog, Splunk, ELK, OpenTelemetry) and basic SRE practices.
• Exposure to test automation, policy-as-code, and platform security practices.
• 5+ years of experience in platform, DevOps, infrastructure, or software engineering roles.
• Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related field (or equivalent experience).
• Experience supporting business-critical systems, ideally within professional services, legal, or regulated environments.

Nice to have

• Familiarity with ITIL best practices (incident, change, and problem management)
• Experience with Lean or Agile methodologies
• Relevant certifications (e.g., AWS/Azure Associate, Certified Kubernetes Administrator)

About the company

Gibson Dunn is a leading global law firm, advising clients on significant transactions and disputes. The firm’s work is distinguished by a unique combination of precision and vision.