Senior Site Reliability Engineer in Nottingham

Senior Site Reliability Engineer in Nottingham

Nottingham Full-Time On-site
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  • We are evolving our Site Reliability Engineering capabilities to strengthen reliability, observability, security, and operational excellence across our Risk Intelligence division
  • As a Senior SRE, you will be a senior hands‑on technical person help shape the foundations of reliability across both new and existing platforms
  • You will collaborate with Architecture, Engineering, Security, and Platform teams to ensure reliability is built into systems from day one
  • While this is not a people‑management you will work closely with global teams and may occasionally be called upon for major incidents or critical issues
  • This position requires a highly proactive, hard-working expert with strong leadership presence and ownership of platform reliability outcomes
  • We are looking for a person who is passionate about reliability engineering and who bring a continuous improvement approach to everything they do!
  • Lead the establishment of SRE foundations for new projects building environments, monitoring, alerting, and ensuring operational readiness from day one
  • Define, implement, and champion observability standards, tooling, and guidelines across metrics, logs, traces, and SLIs/SLOs
  • Design and evolve monitoring and alerting solutions that improve visibility, reduce toil, and strengthen system health
  • Continuously drive reliability improvements across our environments through incident reduction, performance tuning, and building resilient patterns
  • Partner with Security teams to ensure our platforms meet compliance, security, and risk‑management expectations
  • Influence architectural and design decisions through data‑driven cloud cost optimization and efficiency initiatives
  • Be a technical leader and mentor supporting engineers, shaping engineering standards, and fostering a culture of learning and development

Bachelor’s Degree or equivalent experience in Computer Science, Engineering, or a related fieldExperience with cloud cost optimization strategies and toolingHands-on experience with Datadog for metrics, logs, APM, and alertingStrong experience with AWS (or Azure), including services such as EKS, ECS, EC2, networking, IAM, and managed servicesStrong understanding of SRE principles, including SLOs, error budgets, incident management, and reliability engineeringProven experience designing and operating observability platforms, including monitoring, logging, and alertingSolid understanding of cloud security principles and experience collaborating with security teams5+ years of hands‑on technical experience in SRE, Platform Engineering, Infrastructure, or related rolesStrong background in Linux systems administrationsExperience working closely with architecture and engineering teams on system design and deliveryStrong technical authority with the ability to influence design and operational decisionsCalm and methodical under pressure, especially during incidents and critical issuesClear communicator, able to explain complex technical concepts to diverse audiencesHighly collaborative, comfortable working across architecture, engineering, security, and operations teamsPragmatic problem-solver who balances reliability, security, cost, and delivery speedExperience supporting multi-cloud or hybrid environmentsExposure to Infrastructure as Code (e.g., Terraform, CloudFormation)Experience in large-scale, complex, or regulated environmentsKnowledge of vector databases and RAG architectures for building internal SRE knowledge assistantsKnowledge of Generative AI and LLM platforms (e.g., Claude, Amazon Bedrock)

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Senior Site Reliability Engineer in Nottingham employer: London Stock Exchange

The London Stock Exchange Group is an exceptional employer, offering a dynamic work environment that fosters innovation and collaboration within the Global Security Operations team. Employees benefit from comprehensive professional development opportunities, a strong commitment to work-life balance, and the chance to contribute to cutting-edge cybersecurity initiatives in one of the world's leading financial hubs. Join us to be part of a culture that values expertise and encourages growth while making a meaningful impact in the security landscape.

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Contact Details:

London Stock Exchange Recruitment Team