Cloud FinOps Engineer

  • Full-time
  • Office: London

Company Description

We are champions of rail, inspired to build a greener, more sustainable future of travel. Our purpose is our momentum. It makes us feel good because we know we’re doing good. As we lead the way to a greener future, we do it together. We’re all about connections - with each other, with our customers and with the world. Just as our platform brings the world together, it’s our ambition that connects us. We motivate each other to go beyond our limits, to experiment, to fail and to always grow. 

With over 110 million visits every month to our platform and £4.3 billion in net ticket sales, we're always innovating and making moves towards our final destination — a world where travel is as simple, seamless, and affordable as it should be. 

And we couldn't do any of it without our incredible people driving us forward. Today, we're a FTSE 250 company that's proudly home to more than 1000 Trainliners from over 60 nationalities across offices in London, Paris, Barcelona, Milan, Edinburgh, Berlin, Madrid and Brussels. It's this diversity that energises us and makes us stronger, helping us to achieve amazing things. 

With our sights firmly set on further European growth, there is no better time to jump on board this high-speed train and be part of our continued success. 

Great journeys start with Trainline. 

Job Description

Introducing the CloudOps Team

We are leading the approach to cost analysis, modelling, and forecasting our cloud journey in AWS. This includes identifying cost optimisation opportunities, budgeting, centralised purchasing, and monitoring the impact cost reduction strategies have in our AWS cloud platform with a focus on waste reduction and increased cost efficiencies. This role is an essential one supporting leadership as well bringing product engineering teams along on a data driven journey to cost effective and scalable services in the cloud. We have a vision of empowering engineering teams to manage their cloud cost footprint and implement solutions to drive cost efficiencies without compromising availability, performance, security, and deployment velocity on our platform. 

We are a fast-growing company that loves leveraging new technology to build world-class products for our customers. We run a diverse platform that is hosted on AWS utilising the best of what it has to offer, coupled with our own tooling this allows us to embrace Continuous Delivery, DevOps/SRE and cloud native microservices to their full potential. You will often find members of our leadership team, as well as our engineering community, speaking at meetups and conferences. 

Key Responsibilities 

  • Contribute to the development and maintenance of the CI/CD pipeline for in-house cost monitoring and reporting software 
  • Direct and manage the implementation of Savings plans and Reserved Instance strategies  
  • Partnering with finance teams to help bridge the gap between finance and technology 
  • Maintain documentation for FinOps practices and cost optimisation processes 
  • Create and maintain automated weekly, quarterly and year end reports  
  • Identify and remediate billing anomalies 
  • Advise product engineering teams on where and how to be cost efficient, as well as making it easier for them to adopt improvements 
  • Evaluate new technologies in AWS that will have a strategic impact on cost efficiency 
  • Participate in existing cost efficiency program, forecasting and budgeting processes 
  • Foster a culture of proactive cost management, transparency, and optimisation 
  • Keeping up to date on the latest cost optimisation trends within FinOps 


  • Hands-on experience with developing scripts using languages like Python (Libraries such as NumPy, Pandas and Boto) and SQL for cost reporting and automation.
  • Experience working with AWS cloud services such as EC2, IAM, S3, lambda, Athena, or Glue 
  • Experience working with any CI/CD tools such as Github actions, JIRA, etc 
  • Experience with any BI Tools (Business Intelligence)
  • Experience/interest in cost management strategies, EDP, commitment plans (SP, RI, Spot) 
  • Experience/interest in cloud expense management using FinOps disciplines 
  • Strong analytical skills with the ability to analyse and surface detailed insights from complex datasets 
  • Experience working collaboratively with customer success facing teams  
  • Experience working with Elastic search is desirable

Additional Information

Why should you jump on board? 

We pay special attention to learning and development and organise quarterly company learning days as well as offering a learning budget that can be put towards resources of your choice. We will cover the costs of your professional subscriptions and give you access to our very own learning platform. 

At Trainline, we care about the wellness of our employees. We host puppy therapy sessions, in-office yoga and run Mental Health First Aider training courses as well as having an Employee Assistance Program as one of our many company benefits.  

We regularly throw fun social events such pub quizzes, karaoke nights and our large-scale Summer and Winter Festivals every year. Additionally, we love hosting meetups in our amazing event spaces and having the opportunity to support internal and external community groups.  

We also hold companywide hackathons and our annual Trainline Tech Summit, which provides Trainliners with an opportunity to stand up and share their story, learnings, or new skills with their colleagues in a safe environment. 

Our flexi-first approach

We believe in the importance of a healthy work-life balance and the value of a flexible workforce. Our flexi-first approach outlines our commitment to a hybrid way of working and our expectations of Trainliners. A key part of what makes Trainline special is our people and the value we get from the buzz and energy of our workplaces, and that’s why we’re proud to offer the best of both worlds. In practice this means in–office attendance at least 40% of the time over a 12-week period for all Trainliners. These in-office days are typically team led to help us connect, collaborate and create together.  

Our Values 

  • Think Big - We're building the future of rail 
  • Own It - We care about every customer, partner and journey 
  • Do Good - We make a positive impact 
  • Travel Together - We're one team 

Interested in finding out more about what it's like to work at Trainline? Why not check out what our employees say about us on Glassdoor? You can also find out more information by following us on LinkedIn or our 'Life at Trainline' Instagram account.  

We value open expression at Trainline, we believe it’s the diversity of experience, backgrounds and perspectives of our employees that makes us who we are. We encourage everybody to play a part in changing the way people travel across the world. 

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