As a Site Reliability Engineer (SRE), you will play a critical role in ensuring BT delivers exceptional service performance, reliability, and availability across its digital platforms. In a fast‑paced, cloud‑driven AI environment where customers expect seamless experiences, this position enables scalable, fault‑tolerant, and cost‑effective solutions through cross‑team collaboration, automation, monitoring, and resilience strategies. By minimising downtime, reducing operational risk, and accelerating innovation, you will safeguard BT's reputation for reliability while empowering the business to adapt quickly to emerging technologies and deliver consistent value to customers worldwide.
Responsibilities
* Implement and optimise CI/CD pipelines, automation frameworks, and infrastructure‑as‑code solutions using AWS, GitOps, and container technologies.
* Design, develop, and troubleshoot large‑scale distributed systems across on‑prem and cloud environments, ensuring reliability and scalability.
* Lead performance and scale testing, monitoring, and analysis to improve system stability, security, and efficiency.
* Integrate AI‑driven observability and monitoring tools to improve incident detection, anomaly identification and root‑cause analysis.
* Implement and maintain ML/AI automation (e.g., predictive scaling, automated remediation, intelligent alerting) to improve platform reliability and reduce manual toil.
* Proactively identify and mitigate risks, perform root‑cause analysis, and implement preventive measures following incidents.
* Champion best practices in Site Reliability Engineering, mentor team members, and share knowledge on emerging trends and technologies.
* Collaborate across organisational boundaries to deliver improvements aligned with broader SRE initiatives.
Qualifications
* A deep understanding of full‑stack monitoring solutions, such as Dynatrace, to ensure current end‑to‑end performance and trends of owned Digital Applications.
* Strong proficiency in one or more programming languages (e.g., Java, Python).
* Experience with cloud platforms (AWS, Azure, or GCP).
* Solid understanding of software architecture, design patterns, and microservices.
* Familiarity with CI/CD tools and DevOps practices.
* Desirable skills include:
o AIOps fundamentals (cross‑domain telemetry ingestion, event correlation, topology/context building, and remediation augmentation).
o Agentic/autonomous observability skills (using intelligent agents to detect anomalies, correlate signals, and trigger guarded remediations to cut MTTR).
o AI‑assisted alerting & noise reduction (designing contextual, business‑impact aware alerts; prioritisation via ML).
Company Overview
BT Group was the world's first telco and our heritage in the sector is unrivalled. As home to several of the UK's most recognised and cherished brands – BT, EE, Openreach and Plusnet – we have always played a critical role in creating the future, and we have reached an inflection point in the transformation of our business. Over the next two years, we will complete the UK's largest and most successful digital infrastructure project – connecting more than 25 million premises to full‑fibre broadband. Together with our heavy investment in 5G, we play a central role in revolutionising how people connect with each other. While we are through the most capital‑intensive phase of our fibre investment, meaning we can reward our shareholders for their commitment and patience, we are absolutely focused on how we organise ourselves in the best way to serve our customers in the years to come. This includes radical simplification of systems, structures and processes on a huge scale. Together with our application of AI and technology, we are on a path to creating the UK's best telco, reimagining the customer experience and relationship with one of this country's biggest infrastructure companies. Change on the scale we will all experience in the coming years is unprecedented. BT Group is committed to being the driving force behind improving connectivity for millions and there has never been an exciting time to join a company and leadership team with the skills, experience, creativity and passion to take this company into a new era.
Benefits
* An annual on‑target bonus of 10% (personal and company multipliers).
* BT Pension scheme: minimum 5% employee contribution, BT contribution 10%.
* EE Broadband – from £10/month for 150 Mb and £20 for 900 Mb – lower than any other provider.
* EE Mobile – Save 50% on Mobile & SIM‑only plans or pay just £10/month for an EE SIM.
* EE TV – Enjoy premium content like Netflix and TNT Sports, with the flexibility to swap packages monthly, starting from just £10/month.
* Combine Broadband, TV and Mobile from just £30/month and unlock extra savings when you take both Broadband and Mobile.
* There is also great support for working parents, including pay whilst on maternity, adoptive, and paternity leave.
* 25 days annual leave (not including bank holidays), increasing with service.
* Volunteering days, so you can give back to your local community.
* Brand new electric vehicle salary sacrifice arrangement, known as "My EV".
Core Values
* Leading inclusively and safely – I inspire and build trust through self‑awareness, honesty and integrity.
* Owning outcomes – I take the right decisions that benefit the broader organisation.
* Delivering for the customer – I execute brilliantly on clear priorities that add value to our customers and the wider business.
* Commercially savvy – I demonstrate strong commercial focus, bringing an external perspective to decision‑making.
* Growth mindset – I experiment and identify opportunities for growth for both myself and the organisation.
* Building for the future – I build diverse future‑ready teams where all individuals can be at their best.
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