Job Description
Job Title:  Site Reliability Engineering Specialist
Req ID:  59899
Job Function:  Software Engineering
Posting Start Date:  18/08/2026
Posting End Date:  21/08/2026
Division:  Digital
Job Location:  GBR Bristol - Assembly, GBR-Birmingham-Three Snowhill
Advertised Salary:  Competitive with Benefits

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About the role

The Site Reliability Engineering Specialist independently executes activities that help ensures BT is in the best position to deliver the service performance, reliability and availability that internal and external customers expect, through enabling cross-team engineering discussions to achieve scalable, measurable, fault-tolerant, and cost-effective cloud services.

What you’ll be doing

•    Executes the implementation of new software development life cycle automation tools, frameworks, and code pipelines (continuous integration/continuous delivery pipelines whilst 
•    executing best practices with a focus on the re-use of application code, demonstrates consistent software delivery practices and produces continuous integration/continuous delivery platform solutions using Amazon Web Services cloud, infrastructure as code (IaC), GitOps, and container technologies
•    Coordinates a diverse team and creates the initial test schedule to deliver all aspects of testing to time, budget and quality targets, ensuring producing outlines of solutions and defining 
•    depth of testing required
•    Executes the implementation of automation technologies to ensure repeatability, eliminating toil, reducing mean time to detection and resolution and repair services
•    Proactively identifies and manages risk through regular assessment and diligent execution of controls and mitigations, proactively raising any concerns
•    Leads scale testing to measure, tune and optimise system performance
•    Executes metric/monitoring analysis that creates stability, security, and performance improvements
•    Designs, analyses, develops and troubleshoots highly distributed large-scale production systems spanning on-prem and cloud-based hosting

Essential Skills / Experience

  • Incident Management
  • Cloud Infrastructure
  • Infrastructure Configuration
  • Continuous Integration/Continuous Deployment Automation & Orchestration

Desirable Skills / Experience

  • Service Assurance
  • Computer Networking
  • System Integration
  • Troubleshooting

Our Package

Tailored benefits make a real difference. That’s why we offer a comprehensive range to support your growth, wellbeing, and everyday life. You can design the package to suit you and your lifestyle. Your core benefits include:
•    10% on target annual bonus
•    Access to an online private GP 24/7 for you and your immediate family
•    Market-leading paid carers leave with up to 2 weeks off
•    Equalized maternity, paternity, and adoption leave – 18 weeks’ full pay and 8 weeks’ half pay
•    Discounted EE and BT products, including mobile and broadband
•    Market leading Pension scheme – 5% from you and 10% from us
•    Holiday purchase scheme
You can select additional benefits, including healthcare, dental, gym memberships and more when you’re ready. Ready to connect for good and help shape the future? Apply now.

BT Group is the UK’s leading communications group and the holding company behind some of the country’s most recognised brands – including BT, EE, Openreach and Plusnet. Our purpose is as simple as it is ambitious: we connect for good.  Our customers include consumers, small, medium and large businesses, public sector organisations and other communications providers. 

BT Group’s role is about setting direction, unlocking value and creating the conditions for our brands and businesses to thrive.

Having come through the most capital-intensive phase of our fibre investment, our focus now is on what comes next – simplifying how we operate, using technology and AI to work smarter, and organising ourselves to serve customers better and grow sustainably. Group teams shape strategy, policy, brand, capital allocation and transformation, helping the whole organisation perform at its best.

We have a singular culture that unites all our people: we are customer-first challengers, who are committed, clear and connected. These behaviours unite us as one team to deliver for our colleagues, our customers, our stakeholders and the country.   Joining BT Group means working at the heart of a business that matters to the UK, with the opportunity to shape decisions, influence outcomes and help set the future course of one of the country’s most important companies.