Site Reliability Engineer - Cloud Reliability & AI Observability

BT Group; England; On-site; GBP 70,000 - 110,000; Full time

Job summary

BT Group is seeking a Site Reliability Engineering Specialist to independently drive service performance, reliability and availability across digital platforms. You will enable scalable, fault‑tolerant, and cost‑effective cloud services with automation, monitoring, and resilience strategies.

You will mentor other SREs, lead cross‑team engineering discussions, and push for changes that improve reliability and velocity while aligning with BT’s AI/Observability initiatives.

Qualifications

• A degree in IT, Maths or Science.
• Deep understanding of full stack monitoring solutions such as Dynatrace to ensure current end to end performance and trends of owned 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.
• High levels of quality presentation and reporting capabilities to collate output from Managed Service Partners.
• Resilience to ensure support teams are engaged 24x7x365 to support priority incident resolution.
• Ability to adapt to latest industry trends
• Micro-Service functionality
• Business Process Improvement
• Growth mindset

Responsibilities

• Execute implementation of new automation tools, pipelines, and CI/CD practices.
• Develop platform solutions using AWS cloud, IaC, GitOps, and container technologies.
• Coordinate a diverse team and deliver testing within time, budget, and quality targets.
• Automate repeatable tasks to reduce toil and MTTR.
• Identify and manage risk with proactive controls and mitigations.
• Lead scale testing to measure and optimize system performance.
• Perform monitoring analysis to improve stability and security.
• Design, build, and troubleshoot distributed production systems across on‑prem and cloud environments.
• Write infrastructure as code to improve availability and efficiency.
• Implement robust monitoring and run post‑mortems for prevention.
• Inspect queues and support processing for early issue warning.
• Lead retrospective actions after major incidents.
• Analyze complex systems for reliability and resilience.
• Share SRE best practices and mentor others.
• Collaborate across teams to deliver improvements aligned with broader initiatives.
• Mentor other SREs to raise the team’s capabilities.

Skills

IT degree

Dynatrace

Java

Python

Cloud platforms

Microservices architecture

CI/CD tools

DevOps practices

End-to-end performance

Telemetry monitoring

Anomaly detection

SRE fundamentals

Communication skills

Leadership/mentoring

Education

Degree in IT, Maths or Science

Tools

Terraform

Prometheus

Grafana

GitOps

Job description

BT Group is seeking a Site Reliability Engineering Specialist to independently drive service performance, reliability and availability across digital platforms. You will enable scalable, fault‑tolerant, and cost‑effective cloud services with automation, monitoring, and resilience strategies.

You will mentor other SREs, lead cross‑team engineering discussions, and push for changes that improve reliability and velocity while aligning with BT’s AI/Observability initiatives.