Lead Site Reliability Engineer SRE AWS Azure
About the role
Salary: £80,000 - 80,000 per year
Requirements
- Strong experience in SRE, DevOps, or infrastructure engineering
- Strong programming or scripting skills in at least one language such as Go, Python, or similar
- In-depth experience with cloud platforms AWS and/or Azure
- Experience with observability tools such as Prometheus, Grafana, or Datadog
- Experience leading incident response and driving reliability improvements
- Proficiency with container orchestration such as Kubernetes and Infrastructure-as-Code such as Terraform, Pulumi, or similar
- Good understanding of networking, Linux OS, and distributed systems
- Collaborative mindset with strong communication skills
Responsibilities
- Build and operate highly available, scalable, and resilient platforms
- Work closely with Platform Engineering and DevSecOps to drive reliability across the technology stack
- Improve observability and automate operational processes
- Help ensure systems remain secure, performant, and easy to operate
- Lead incident response activities
- Champion a culture of continuous improvement
- Collaborate with engineering teams to embed reliability into service design
- Define and evolve reliability standards
- Contribute to capacity planning and performance optimisation
- Mentor fellow engineers
- Help shape the tools, platforms, and practices that support reliable service delivery at scale
Technologies
- AI
- AWS
- Azure
- Cloud
- Datadog
- DevSecOps
- DevOps
- Grafana
- Support
- Kubernetes
- Linux
- Prometheus
- Python
- REST
- Terraform
More
We are a world-leading cybersecurity technology business using AI to protect clients across the globe from advanced cyber threats. You will join a highly talented, diverse team in our Cambridge office twice a week, with the flexibility of working from home the rest of the time. We offer a great team atmosphere, free lunches, problem-solving sessions, and a competitive package including bonus, pension, private medical insurance, life assurance, enhanced parental leave, employee assistance, 23 days holiday plus your birthday off, charity giving schemes, and personal training and development budgets.
last updated 25 week of 2026
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