Senior SRE – Production & On-Call (UK)

Heidi; Greater London; Hybrid; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Real product momentum

Equity from day one

Private medical & dental

Mental health & wellbeing support

Home office budget

Job summary

Heidi is seeking a mid-to-senior SRE to join the core Platform/SRE team responsible for production reliability. You’ll engage in on-call, incident response, and day-to-day operations, owning parts of the production environment and driving improvements to alerts, automation, and deployment safety.

The role emphasizes hands-on operations and collaboration with product and feature teams to raise production readiness.

Qualifications

• 3–6+ years in SRE, DevOps, Platform, or operations-heavy engineering roles.

Responsibilities

• Participate in on-call and incident response, lead incidents end-to-end over time.
• Improve operational reliability through alerts, automation, and process improvements.
• Own parts of production: Kubernetes clusters, cloud infra, and core platform services.
• Strengthen observability with dashboards, logs, and traces.
• Reduce toil via automation and better runbooks.
• Support safe change with deployments and rollback readiness.
• Contribute to incident response processes and blameless post-mortems.
• Collaborate with engineers to improve production readiness and reliability.

Skills

SRE

DevOps

On-call experience

Cloud (AWS)

Kubernetes

IaC (Terraform)

Monitoring (Datadog/Prometheus)

Scripting (Python/Bash)

Tools

Terraform

Datadog

Prometheus

Kubernetes

AWS

Job description

Heidi is seeking a mid-to-senior SRE to join the core Platform/SRE team responsible for production reliability. You’ll engage in on-call, incident response, and day-to-day operations, owning parts of the production environment and driving improvements to alerts, automation, and deployment safety.

The role emphasizes hands-on operations and collaboration with product and feature teams to raise production readiness.