At a Glance
- Tasks: Join us to enhance system reliability and tackle real-world challenges in a dynamic environment.
- Company: Be part of a forward-thinking tech company that values innovation and collaboration.
- Benefits: Enjoy private healthcare, flexible work options, and generous learning opportunities.
- Other info: Embrace a hybrid work model with clear career paths and a focus on personal development.
- Why this job: Make a tangible impact on our platform's reliability while growing your skills in a supportive team.
- Qualifications: Mid-level SRE experience with a passion for problem-solving and cloud technologies.
The predicted salary is between 60000 - 80000 £ per year.
Responsibilities
- Develop an understanding of system architecture, dependencies, and failure modes across the Trainline platform.
- Participate in production incident response: investigation, mitigation, communication, and coordinated service restoration.
- Contribute to post‑incident reviews and follow‑up actions to improve reliability, scalability, and resilience.
- Take part in the SRE on‑call rotation.
- Design, build, and maintain observability using metrics, logs, events, and traces to support effective detection and diagnosis.
- Improve monitoring and alerting by aligning signals to business and customer impact, reducing noise and improving mean time to detection.
- Ensure relevant operational data is surfaced quickly and clearly during live incidents.
- Make informed tooling and technology choices using SRE principles, balancing team and business needs.
- Support AWS‑hosted infrastructure and shared platform services using infrastructure‑as‑code and CI/CD tooling.
- Collaborate with product engineering teams to ensure services are operationally ready and deployed safely.
- Advise on reliability and resilience practices.
- Write and maintain reliable, well‑structured code and scripts to support reliability and observability goals.
- Prioritise work effectively and collaborate using agile processes to deliver against team and business goals.
Qualifications
- Mid‑level Site Reliability Engineer with solid production experience, growth mindset, and willingness to challenge and be challenged.
- Experience with SRE concepts such as SLI, SLO, and error budgets.
- 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 scripting in at least one language, preferably Python.
- Understanding of load balancing, reverse proxy concepts, upstream config, health checks, worker & data flow concepts.
- Knowledge of application architecture concepts: threading, queuing, readiness checks, health checks, circuit breakers, timeouts, exponential backoff, throttling.
- 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 Git Hub Actions and Terraform.
- Tech Stack
- AWS
- New Relic
- ELK stack
- Grafana
- Incident. io
- Docker, ECS
- Terraform
- Git Hub Actions
Benefits
Private healthcare & dental insurance, generous work‑from‑abroad policy, 2‑for‑1 share purchase plans, EV scheme, extra festive time off, excellent family‑friendly benefits, hybrid work model with minimum office presence, clear career paths, transparent pay bands, personal learning budgets, regular learning days.
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StudySmarter Expert Advice🤫
We think this is how you could land Site Reliability Engineer
✨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 The 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 The 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 The 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 The 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
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 The 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 The 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 The 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 The 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.
