At a Glance
- Tasks: Join us to enhance platform reliability and support incident management in a dynamic environment.
- Company: Trainline, Europe's leading independent rail platform for greener travel choices.
- Benefits: Enjoy private healthcare, generous leave, and a clear path for career growth.
- Other info: Hybrid work model with opportunities for personal development and learning.
- Why this job: Make a positive impact on travel while working with cutting-edge technology.
- Qualifications: Experience in SRE, cloud services, and scripting; a growth mindset is essential.
The predicted salary is between 63000 - 77000 £ per year.
About us At Trainline, our purpose is to empower greener travel choices, connecting people and places. Trainline enables millions of travellers to find and book the best value tickets across carriers, fares, and journey options through our highly rated mobile app, website, and B2B partner channels.
We're Europe's leading independent rail platform, helping millions of travellers find and book the best-value rail and coach journeys across our app, website and partner channels. Our job is to make the green travel choice the best choice. By building a better train travel experience, we help more people choose rail - creating a positive impact for customers, our business and the planet. Now is a brilliant time to join us and help shape the future of travel.
Introducing Reliability & Operations Engineering Trainline is a fast-growing tech company powering world-class digital journeys for millions of customers. Our platform runs primarily on AWS, built on cloud-native architecture, modern CI/CD pipelines, and strong DevOps and SRE practices.
The Reliability & Operations Engineering team (ReliabilityOps) brings together SRE, Incident Management, and Database Reliability to keep our platform observable, reliable, scalable, and resilient. We partner closely with product engineering teams to enable safe delivery, respond to incidents, and continuously strengthen system reliability.
We're looking for a mid-level Site Reliability Engineer to help drive this forward. You'll bring solid production experience, a growth mindset, and a willingness to challenge and be challenged — contributing to platform reliability while developing broader technical ownership with support from senior engineers.
- Developing an understanding of system architecture, dependencies, and failure modes across the Trainline platform
- Participating in production incident response, supporting investigation, mitigation, communication, and coordinated service restoration
- Contributing to post-incident reviews and follow-up actions to improve reliability, scalability, and resilience
- Taking part in the SRE on-call rotation
- Designing, building, and maintaining observability using metrics, logs, events, and traces to support effective detection and diagnosis
- Improving monitoring and alerting by aligning signals to business and customer impact, reducing noise and improving mean time to detection (MTTD)
- Ensuring relevant operational data is surfaced quickly and clearly during live incidents
- Making informed tooling and technology choices using SRE principles, balancing team and business needs
- Supporting AWS-hosted infrastructure and shared platform services using infrastructure-as-code and CI/CD tooling
- Collaborating with product engineering teams to ensure services are operationally ready and deployed safely
- Advising on reliability and resilience practices
- Writing and maintaining reliable, well-structured code and scripts to support reliability and observability goals
- Prioritising work effectively and collaborating using agile processes to deliver against team and business goals
Our Tech Stack: AWS, New Relic, ELK stack, Grafana
Hands-on experience with observability tooling such as New Relic, Elastic (ELK Stack), Influx, Grafana or similar. Experience working with cloud providers (preferably AWS). Experience troubleshooting Linux operating systems. Experience of scripting in at least one language (preferably Python). Understanding of load balancing and reverse proxy concepts, upstream config concepts, upstream health checks, worker & data flow concepts. Experience building, maintaining and evolving time series data, retention, cardinality, deviation, moving averages and other functions. Experience with build, deployment & configuration management tooling such as GitHub Actions and Terraform.
Enjoy fantastic perks like private healthcare & dental insurance, a generous work from abroad policy, 2-for-1 share purchase plans, an EV Scheme to further reduce carbon emissions, extra festive time off, and excellent family-friendly benefits. We prioritise career growth with clear career paths, transparent pay bands, personal learning budgets, and regular learning days. We're operating a hybrid model and ask that Trainliners work from the office a minimum of 60% of their time over a 12-week period. We also have a 28-day Work from Abroad policy.
Think Big - We're building the future of rail. Own It - We focus on every customer, partner and journey. Travel Together - We're one team. Do Good - We make a positive impact.
We know that having a diverse team makes us better and helps us succeed. And we mean all forms of diversity - gender, ethnicity, sexuality, disability, nationality and diversity of thought.
Site Reliability Engineer (Home-based) in London employer: Trainline
Trainline is an exceptional employer, dedicated to fostering a culture of innovation and sustainability in the travel industry. With a strong emphasis on employee growth, we offer clear career paths, personal learning budgets, and a supportive environment for mentorship and collaboration. Our hybrid work model, generous benefits, and commitment to diversity make Trainline a rewarding place to build a meaningful career while contributing to a greener future.
StudySmarter Expert Advice🤫
We think this is how you could land Site Reliability Engineer (Home-based) in London
✨Join Local Tech Meetups
Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at Trainline or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!
✨Contribute to Open Source Projects
Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to Trainline.
✨Tap into Online Developer Communities
Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like Trainline.
✨Explore Job Boards Specifically for Tech Roles
Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like Trainline that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!
We think you need these skills to ace Site Reliability Engineer (Home-based) in London
Some tips for your application 🫡
Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.
Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at Trainline.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Trainline and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!
Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!
How to prepare for a job interview at Trainline
✨Brush Up on Your Coding Skills
For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.
✨Know Your Tools and Frameworks
Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If Trainline uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.
✨Showcase Your Projects
Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.
✨Prepare for Behavioural Questions
While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.
