At a Glance
- Tasks: Ensure system stability and performance while automating operational tasks.
- Company: Join Serco, a leader in public service innovation.
- Benefits: Competitive salary, flexible working, and health support for you and your family.
- Other info: Dynamic team culture with excellent career development opportunities.
- Why this job: Make a real impact on public services with cutting-edge technology.
- Qualifications: Strong programming skills and experience in cloud platforms required.
The predicted salary is between 65000 - 75000 £ per year.
Here at Serco, we're looking for a Site Reliability Engineer to ensure the stability, availability, and performance of production systems and services across UK&E Digital Services. The role combines software engineering and systems operations to improve resilience, reduce operational overhead, and enable safe, scalable service delivery.
Responsibilities
- Build automation and tooling to eliminate manual operational tasks and improve service reliability
- Respond to production incidents, lead root cause analysis, and implement long‑term fixes to prevent recurrence
- Design, implement, and maintain monitoring, observability, and alerting solutions across platforms and services
- Define and manage SLIs, SLOs, and error budgets to guide reliability and operational decision‑making
- Analyse system performance and capacity trends, ensuring services remain scalable and resilient under load
- Support safe and reliable change management, including deployments, releases, and production transitions
- Drive continuous improvement in system reliability through automation, standardisation, and engineering best practice
Qualifications
- Strong programming and scripting skills (Python, Go, Java, or Ruby)
- Solid systems engineering experience across Linux/Unix environments and networking fundamentals
- Cloud platform experience (AWS, Azure, or GCP)
- Infrastructure as Code tools (Terraform, Ansible) and container platforms (Kubernetes)
- Observability and monitoring tools (Prometheus, Grafana, ELK, CloudWatch or equivalent)
- CI/CD pipelines and automated deployment tooling
- Background in Site Reliability Engineering, DevOps, or production operations
- Proven experience in incident management and on‑call support in live production environments
- Strong track record of identifying operational inefficiencies and driving automation‑led improvements
- Experience working in complex, distributed systems or enterprise‑scale environments
- Strong analytical and problem‑solving capability, particularly under pressure
- Clear communication skills, able to explain technical issues to non‑technical stakeholders
- Ability to prioritise, adapt, and work effectively in fast‑paced environments
- Proactive mindset with ability to anticipate risks and system failures
- Experience applying systems engineering principles and contributing to design decisions
- Strong collaboration skills, building effective relationships across technical and operational teams
Participation in on‑call rotation is required. May require security clearance.
Compensation and Benefits
- Salary: £65,000 to £75,000 (depending on experience)
- Flexible working considered
- Pension – 6%
- Chance to contribute to innovation in the public services
- A company passionate about diversity and inclusion
- Serco discounts which include cinema, merlin entertainment and online shopping discounts, and discounts on mobile phone plans and leisure centre memberships
- A range of benefits to support the health and wellbeing of you and your family such as Employee Assistance Programme, Simply Health Cash Plans, and more
- A wealth of career development training to suit your future aspirations
- A safe and supportive culture
Equal Employment Opportunity
As a Disability Confident employer, we will offer an interview to any applicant that declares they have a disability and meets the minimum criteria for the job.
Site Reliability Engineer employer: Serco Group plc
At Serco, we pride ourselves on being an excellent employer, offering a dynamic work culture that fosters innovation and collaboration. Our hybrid working model in Solihull, London, and Hook allows for flexibility while providing competitive salaries and a comprehensive benefits package, including health and wellbeing support, career development opportunities, and a commitment to diversity and inclusion. Join us to make a meaningful impact in public services while enjoying a supportive environment that values your contributions.
StudySmarter Expert Advice🤫
We think this is how you could land Site Reliability Engineer
✨Tip Number 1
Network like a pro! Reach out to current or former employees at Serco on LinkedIn. A friendly chat can give you insider info and maybe even a referral, which can really boost your chances.
✨Tip Number 2
Prepare for the technical interview by brushing up on your coding skills. Practice common algorithms and system design questions, especially in Python, Go, or Java. We want to see your problem-solving skills shine!
✨Tip Number 3
Show off your passion for Site Reliability Engineering! During interviews, share examples of how you've improved system reliability or automated tasks in past roles. We love hearing about real-world experiences.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you’re genuinely interested in joining our team at Serco.
We think you need these skills to ace Site Reliability Engineer
Some tips for your application 🫡
Tailor Your CV:Make sure your CV is tailored to the Site Reliability Engineer role. Highlight your programming skills, cloud experience, and any relevant projects that showcase your ability to improve system reliability. We want to see how you fit into our team!
Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Use it to explain why you're passionate about Site Reliability Engineering and how your experience aligns with our needs. Keep it engaging and personal – we love getting to know you!
Showcase Your Problem-Solving Skills:In your application, don’t forget to mention specific examples where you've tackled complex issues or improved processes. We’re looking for those strong analytical skills, so let us see how you’ve made a difference in past roles!
Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way to ensure your application gets to us quickly and efficiently. Plus, you’ll find all the details you need about the role and our company culture there!
How to prepare for a job interview at Serco Group plc
✨Know Your Tech Stack
Make sure you’re well-versed in the programming languages and tools mentioned in the job description, like Python, Go, or Terraform. Brush up on your knowledge of cloud platforms and monitoring tools, as these will likely come up during technical questions.
✨Showcase Problem-Solving Skills
Prepare to discuss specific incidents you've managed in the past. Be ready to explain how you approached root cause analysis and what long-term fixes you implemented. This will demonstrate your analytical skills and ability to handle pressure.
✨Understand SLIs and SLOs
Familiarise yourself with Service Level Indicators (SLIs) and Service Level Objectives (SLOs). Be prepared to discuss how you’ve defined and managed these in previous roles, as they are crucial for guiding reliability and operational decision-making.
✨Communicate Clearly
Practice explaining complex technical concepts in simple terms. You’ll need to communicate effectively with both technical and non-technical stakeholders, so being able to break down your thought process is key to making a good impression.
