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Site Reliability Engineer

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Barclays

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Location:
United Kingdom , Knutsford

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

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Job Description:

Join us at Barclays as a Site Reliability Engineer (SRE). We're looking for a SRE to help design, develop, and enhance software that powers critical business, platform, and technology capabilities for our customers and colleagues.

Job Responsibility:

  • Development and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and tools. Ensuring that code is scalable, maintainable, and optimized for performance
  • Cross-functional collaboration with product managers, designers, and other engineers to define software requirements, devise solution strategies, and ensure seamless integration and alignment with business objectives
  • Collaboration with peers, participate in code reviews, and promote a culture of code quality and knowledge sharing
  • Stay informed of industry technology trends and innovations and actively contribute to the organization’s technology communities to foster a culture of technical excellence and growth
  • Adherence to secure coding practices to mitigate vulnerabilities, protect sensitive data, and ensure secure software solutions
  • Implementation of effective unit testing practices to ensure proper code design, readability, and reliability

Requirements:

  • Platform resiliency & capacity management for clusters and platforms (Kubernetes/OpenShift): SLOs, error budgets, autoscaling, quotas, node pools, capacity planning
  • AWS platforms including Lambda and cost optimisation/resource management (EKS, EC2, VPC, IAM, budgets, rightsizing, scaling policies)
  • Observability & incident response with automation: monitoring, alerting, tracing, on-call, postmortems
  • Python/Shell for runbooks and auto-remediation

Nice to have:

  • Performance & load engineering and capacity modelling
  • Chaos/DR testing and reliability patterns: circuit breakers, bulkheads, retries/backoff
  • FinOps tooling familiarity: cost explorer/curation, anomaly detection, utilisation dashboards
What we offer:
  • Competitive holiday allowance
  • Life assurance
  • Private medical care
  • Pension contribution

Additional Information:

Job Posted:
January 07, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
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