Lead Platform Engineer: GCP, Terraform & CI/CD

Quantum; Greater London; Hybrid; GBP 110,000 - 170,000; Full time

Benefits offered by this job

Private Health Care (Bupa)

Hybrid Working (3 days in office)

Travel Insurance

Competitive Base Salary

Company Bonus Scheme

AI Subscription (Claude / ChatGPT /Gem

Market-Leading Training Programme

Recognition & Reward Scheme

Annual Company Conference

Regular Happy Hours & Team Lunches

Free Coffee, Drinks & Snacks

Job summary

Quantum is hiring a Lead Platform Engineer to own our Google Cloud platform and drive production readiness. You will design, build and operate scalable infrastructure, lead a small team of engineers, and shape platform standards across engineering teams.

You will manage security, observability, and compliance while enabling product teams to ship rapidly. The role blends hands-on engineering with leadership, mentoring, and roadmap responsibility.

Qualifications

• Significant experience as a platform, cloud or infrastructure engineer, including senior/lead roles.
• Deep, hands-on experience with GCP services (GKE, Compute Engine, Cloud Functions, Cloud Storage, BigQuery).
• Strong Terraform skills and IaC in production.
• Experience building and running CI/CD pipelines (GitHub Actions).
• Solid Docker and Kubernetes experience, including networking and ingress.
• Scripting in Python, Go, or Bash.
• Observability tooling and incident response experience.
• Experience mentoring engineers and interest in line management.
• Clear written and spoken English; able to explain technical trade-offs.

Responsibilities

• Design, build and run scalable, secure infrastructure on GCP, defined in Terraform.
• Own networking and IAM design (VPCs, ingress, encryption).
• Record architecture decisions and keep them visible to the team.
• Collaborate with software engineers to deliver the right infrastructure at the right time.
• Work with data engineers on BigQuery infrastructure and data pipelines.
• Own CI/CD pipelines in GitHub Actions and ensure repeatable deployments.
• Build self-service tooling so product engineers can ship and run services.

Skills

Platform engineering

GCP

Terraform

CI/CD

Docker

Kubernetes

Python/Go/Bash

Observability

Incident response

Mentoring

English communication

Tools

Terraform

GitHub Actions

BigQuery

Docker

Kubernetes

Job description

Quantum is hiring a Lead Platform Engineer to own our Google Cloud platform and drive production readiness. You will design, build and operate scalable infrastructure, lead a small team of engineers, and shape platform standards across engineering teams.

You will manage security, observability, and compliance while enabling product teams to ship rapidly. The role blends hands-on engineering with leadership, mentoring, and roadmap responsibility.