Hybrid DevOps & SRE Engineer — Kubernetes & Cloud Reliability

Bumper; Sheffield, Greater London; Hybrid; GBP 80,000 - 110,000; Full time

Benefits offered by this job

Competitive Salary

Company bonus scheme

Private Healthcare

26 days holiday + bank holidays

Salary Sacrifice Pension with Aviva

Cycle to Work and Nursery schemes

Wellbeing & development allowances

Job summary

Bumper is seeking a DevOps / SRE Engineer to join our London-based Infrastructure team. You’ll shape reliability, scalability and observability for our cloud-native platform, working across the business to improve how we build, deploy and monitor systems.

You’ll report to the CTO and work with engineers to build a high-performance, well-monitored platform, fostering a strong DevOps culture. Hybrid role, based in London, 3 days a week.

Qualifications

• Proven experience in DevOps, SRE, or Platform Engineering roles.
• Strong hands-on experience running Kubernetes in production.
• Experience with AWS and/or Azure cloud platforms.
• Solid experience with Terraform and IaC automation.
• Experience participating in or managing production incidents and on-call.
• Strong grasp of monitoring, alerting and observability principles.
• Ability to diagnose and fix complex distributed systems issues.
• Demonstrated use of GenAI tools (ChatGPT, Copilot, Claude) in workflows.
• Excellent communication and calmness under pressure.
• A passion for automation and reducing toil.

Responsibilities

• Design, build and maintain secure, scalable cloud infrastructure across AWS and Azure.
• Manage and enhance our Kubernetes platform to support reliable applications.
• Develop and maintain Infrastructure as Code using Terraform and Helm.
• Improve CI/CD pipelines using Argo Workflows, ArgoCD and GitHub Actions.
• Lead incident response, including on-call activities and major incident coordination.
• Drive high-quality monitoring, alerting and observability across metrics, logs and traces.
• Conduct blameless post-incident reviews and ensure follow-up actions.
• Define SLIs/SLOs to improve service reliability and ops excellence.
• Collaborate with engineering to embed best practices and improve developer experience.
• Contribute to automation and tooling to reduce toil and increase resilience.

Skills

DevOps mindset

Monitoring & observability

Incident response

English communication

Automation

GenAI tools usage

Tools

Kubernetes (EKS)

AWS

Azure

Terraform

Helm

Argo Workflows

ArgoCD

GitHub Actions

Grafana Cloud

Job description

Bumper is seeking a DevOps / SRE Engineer to join our London-based Infrastructure team. You’ll shape reliability, scalability and observability for our cloud-native platform, working across the business to improve how we build, deploy and monitor systems.

You’ll report to the CTO and work with engineers to build a high-performance, well-monitored platform, fostering a strong DevOps culture. Hybrid role, based in London, 3 days a week.