Senior Site Reliability Engineer in London

Senior Site Reliability Engineer in London

London Full-Time 60000 - 80000 £ / year (est.) No working from home possible
NewDay Ltd

At a Glance

  • Tasks: Lead initiatives to enhance platform reliability and automate processes.
  • Company: Join a diverse tech company focused on innovation and inclusivity.
  • Benefits: Enjoy competitive pay, flexible work options, and growth opportunities.
  • Other info: Collaborative environment with a commitment to diversity and inclusion.
  • Why this job: Shape the future of technology while solving complex problems.
  • Qualifications: Experience in software engineering and automation, preferably with .net/C#.

The predicted salary is between 60000 - 80000 £ per year.

Mission Statement & Summary

As a Senior Site Reliability Engineer, you'll sit at the intersection of software engineering and operations, driving reliability, performance, automation, and resilience across our technology estate. This is an opportunity to shape the future of our platform rather than simply maintain it. You'll work alongside talented engineers, influence technical direction, and champion modern reliability practices that enable teams to move faster with confidence. If you're passionate about solving complex problems, eliminating toil through automation, and creating systems that are resilient by design, we'd love to hear from you.

How you'll contribute

  • Lead initiatives that improve platform reliability, scalability, and operational excellence.
  • Design and deliver automation solutions that reduce manual effort and accelerate engineering teams.
  • Develop observability capabilities, enabling proactive monitoring and faster incident resolution.
  • You will facilitate incident management, driving root cause analysis and continuous improvement.
  • You'll collaborate with engineering teams to embed reliability, resilience, and performance into every stage of delivery.

We're looking for these essential skills

  • Software engineering and design experience (preferably .net/C#), to build and improve production systems, apply solid design principles, and contribute directly to codebases to deliver reliable, scalable, and maintainable services.
  • The ability to automate infrastructure, operational processes, and deployments using modern engineering practices.
  • Experience building effective observability solutions, including monitoring, logging, alerting, and tracing.
  • Strong problem-solving skills with the ability to diagnose and resolve complex production issues.
  • The ability to influence technical decisions and collaborate effectively across engineering and business teams.

It's a plus if you also have these skills

  • Experience operating Kubernetes-based platforms at scale.
  • Knowledge of Infrastructure as Code tools and cloud platform services.
  • Experience implementing Site Reliability Engineering principles, including SLOs, SLIs, and error budgets.
  • Familiarity with security, compliance, and resilience best practices within cloud environments.
  • Experience mentoring engineers and helping teams adopt modern operational and reliability practices.

At NewDay, we value all types of diversity. We’re an equal opportunity employer and believe that our differences create a vibrant, authentic working culture. We want all our colleagues to feel able to bring their whole selves to work. We don’t discriminate on the basis of protected characteristics or identities. We make sure that every job is crafted to be inclusive and that people with disabilities or caring responsibilities can take part in the application and interview process. Tell us if you need accommodations: We’ll put reasonable adjustments in place to support you. We work with Textio to make our job design and hiring inclusive.

Senior Site Reliability Engineer in London employer: NewDay Ltd

At NewDay, we pride ourselves on being an exceptional employer, offering a dynamic work culture that fosters innovation and collaboration in the heart of London. As a Senior Site Reliability Engineer, you'll not only have the opportunity to shape our technology landscape but also benefit from a commitment to employee growth through mentorship and continuous learning. Our inclusive environment ensures that every team member can thrive, bringing their authentic selves to work while enjoying competitive benefits and a focus on work-life balance.

NewDay Ltd

Contact Details:

NewDay Ltd Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Senior Site Reliability Engineer 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 NewDay Ltd 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 NewDay Ltd.

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 NewDay Ltd.

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 NewDay Ltd 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 Senior Site Reliability Engineer in London

Software Engineering
.NET/C#
Automation Solutions
Observability Solutions
Monitoring
Logging
Alerting

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 NewDay Ltd.

Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at NewDay Ltd 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 NewDay Ltd

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 NewDay Ltd 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.