Senior SRE Engineer: Build Reliable, Cost-Efficient Cloud

OVO; Greater London; On-site; GBP 58,000 - 75,000; Full time

Job summary

OVO is seeking a Senior Site Reliability Engineer to join our SRE team in the UK. You will ensure reliability, scalability and cost-efficiency of our cloud platforms, focusing on monitoring, incident response and resilience across services.

You’ll implement and automate monitoring with Datadog, Prometheus and Grafana, define SLOs, participate in design reviews, mentor peers and drive reliability improvements. The role is full-time on-site across OVO hubs in London, Bristol, or Glasgow.

Qualifications

• Expert level Site Reliability Engineering background.
• Strong programming background with Python, Java or Go.
• Cloud and IaC experience with modern tooling.

Responsibilities

• Develop, refine, and automate monitoring systems with Datadog, Prometheus and Grafana.
• Define and manage SLOs/SLIs and incident response.
• Lead incident management and post-mortem analyses.
• Implement cost optimisation for cloud resources.
• Collaborate with engineering, QA, security and product teams.
• Contribute to design reviews and knowledge sharing.

Skills

Python

TypeScript

Go

Java

CI/CD

Unit testing

Code reviews

AWS

GCP

Azure

Terraform

Pulumi

Crossplane

SRE best practices

Linux kernel

Networking

Debugging

On-call

Tools

Terraform

Pulumi

Crossplane

Datadog

Prometheus

Grafana

Job description

OVO is seeking a Senior Site Reliability Engineer to join our SRE team in the UK. You will ensure reliability, scalability and cost-efficiency of our cloud platforms, focusing on monitoring, incident response and resilience across services.

You’ll implement and automate monitoring with Datadog, Prometheus and Grafana, define SLOs, participate in design reviews, mentor peers and drive reliability improvements. The role is full-time on-site across OVO hubs in London, Bristol, or Glasgow.