Platform Engineer — Hybrid, Infra & Automation

Trainline; Greater London; Hybrid; GBP 60,000 - 70,000; Full time

Benefits offered by this job

Private healthcare

Dental insurance

EV scheme

Share purchase plan

Generous time off

Learning budgets

Job summary

Trainline is hiring for a Platform Engineer to join the Atlas team in a hybrid role based in London. You will help build and run Trainline’s infrastructure, focusing on reliability, automation, and secure delivery.

The role collaborates with Senior Platform Engineers and Tech Leads to deliver high-quality platform improvements. We attend to least-privilege access, CI/CD pipelines, and cross-functional collaboration in an agile setup.

Qualifications

• Experience with AWS services such as ECS, Lambda, IAM or CloudFront.
• Experience delivering infrastructure changes using Terraform.
• Ability to work with minimal supervision and raise risks when needed.
• Experience using Node.js or Python for automation or scripting.

Responsibilities

• Deliver improvements to Trainline’s engineering platforms for reliable deployment and operation of services.
• Implement infrastructure changes using Terraform with modular patterns.
• Apply least-privilege and secure-by-default principles across AWS accounts.
• Contribute to automation scripts or tooling using Node.js or Python.
• Collaborate with Senior Platform Engineers, Tech Leads and Delivery Managers to meet milestones.
• Test, validate and deploy changes through CI/CD pipelines.
• Provide clear delivery updates and raise blockers early to stay aligned.

Skills

Terraform

AWS

Node.js

Python

Security best practices

CI/CD

Tools

ECS

Lambda

IAM

CloudFront

Git CI/CD

Job description

Trainline is hiring for a Platform Engineer to join the Atlas team in a hybrid role based in London. You will help build and run Trainline’s infrastructure, focusing on reliability, automation, and secure delivery.

The role collaborates with Senior Platform Engineers and Tech Leads to deliver high-quality platform improvements. We attend to least-privilege access, CI/CD pipelines, and cross-functional collaboration in an agile setup.