Site Reliability Engineer

Discipline: IT

Sector: Central Government

Location: Bristol / Manchester

Type: Permanent

Date posted: 18/11/2021

Start: ASAP

Duration: Permanent

Salary: Up to £70,400 per annum*


Are you ready to join a Government department undergoing an exciting and significant Digital Transformation? Cabinet Office are seeking the appointment of 3 permanent Site Reliability Engineer to help support the ambition to make UK Government digital services the best in the world.

This role sits within the CDIO Cyber Security team of the CDIO directorate of the Cabinet Office. It is a small team with a big mandate – we offer security services to all services that the Cabinet Office provides. Our work is wide ranging, from GDS services such as Notify and Pay to the Cabinet Office Official IT platform and everything in between. The team provides threat modelling, pen testing, threat intelligence and threat detection services, ensuring that we support across the lifecycle of each product.

Our work is user-focused, touching the lives of millions of UK citizens on a daily basis and our culture is dynamic and forward-looking, making our organisation an exciting, rewarding and innovative place to work.


As a Site Reliability Engineer in the Cabinet Office you will:

  • have and apply broad knowledge of core web technologies
  • take responsibility for solving complex issues
  • automate tasks, deployments, and tests by creating infrastructure as code, taking responsibility for the quality of code you produce
  • implement resilient, highly available systems
  • share knowledge of tools and techniques with your wider team
  • act as a digital ambassador, supporting recruitment, identifying good practices to adopt and sharing experiences, eg through blog posts, tech talks at conferences etc.
  • participate in our in-house (2nd line)  support, and the out-of-hours support rota – you’ll be paid an allowance, and a further hourly payment, for any duties you perform when on call
  • share knowledge among our teams, ensuring that your team is understood by others and understanding the working of the wider organisation
  • provide technical leadership within the team, advising and working with Reliability Engineers and product teams to identify the best solutions

Who you are

We’re interested in people who want to use their skills and experience to make a genuine difference and:

  • are experienced with UNIX-like operating systems and technologies used for web applications, e.g Linux, databases, backups, CDNs
  • can demonstrate a working familiarity with at least one programming language such as Ruby, Java, Python, Javascript, Go
  • are experienced with AWS and the use of orchestration tools such as Terraform, Cloud Foundry, Kubernetes
  • understand software design principles
  • take a systematic approach to solving problems
  • use automated testing to validate solutions
  • understand agile environments and version control
  • are familiar with web security
  • understand network protocols, eg HTTPS, TLS etc
  • have familiarity with working practices such as test driven development, continuous integration and continuous delivery

Senior Site Reliability Engineers will also have experience of:

  • leading teams and projects, line management, helping colleagues with their career development and coaching more junior staff members


We’ll assess you against these behaviours during the selection process:

  • working together
  • changing and improving
  • making effective decisions

The process:

This is a rolling campaign. Sifting of CV’s and interviews will be held weekly. Please submit your CV immediately.

Applicants will be required to provide an up to date CV and supporting statement (up to 1,250 words) detailing how you meet the requirements and behaviours listed above. You will also provide a completed diversity form.

View the full job description here.

To apply, please email

Cabinet Office are an equal opportunity employer and value diversity in our organisation. You can find out more about our commitment to diversity and inclusion and read our equal opportunities statement on our Diversity and Inclusion page. CDIO is based in Bristol, London and Manchester, and you will be working with colleagues across all three sites. CDIO supports flexible working, including a balance between office and home-based working.

Security Clearance

Please note that this role requires SC clearance, which would normally require 5 years’ UK residency in the past 5 years. This is not an absolute requirement but supplementary checks may be required where individuals have not lived in the UK for the required period. This may mean that your security clearance (and therefore your appointment) will take longer or, in some cases, not be possible.

*The base salary of this grade is £49,700. Offers made above this will be made up with a specialist pay allowance.

Register Interest

33 King Street, St. James’s,
London, SW1Y 6RJ

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