Senior Engineer of Site Reliability Engineering

London Stock Exchange; Nottingham; On-site; GBP 70,000 - 110,000; Full time

Job summary

London Stock Exchange is seeking a Senior Engineer – Site Reliability Engineering (SRE) to join the Risk Intelligence Data Platforms (RIDP) Product Line. The role is based in Nottingham, UK, and focuses on reliability for data platforms supporting the EMEA region, with 24×7 on-call responsibilities and close collaboration with product and engineering teams.

You will drive reliability strategies, automation, and continuous improvement, maintaining SLOs/SLIs, and ensuring secure-by-design delivery

Qualifications

• 3+ years in production operations, SRE, or DevOps roles.
• Excellent communication and stakeholder management skills.
• Proficiency in CI/CD pipelines and infrastructure-as-code tools (Terraform, GitHub Actions, Jenkins).
• Familiarity with observability platforms (Datadog, OpenTelemetry).
• Strong understanding of SRE principles (SLOs, SLIs, error budgets, incident response).
• Hands-on experience with container orchestration (Kubernetes, Docker).
• Calm and structured under pressure.
• Strategic thinker with a bias for action and accountability.
• Committed to continuous learning and knowledge sharing.

Responsibilities

• Support 24×7 reliability operations for RIDP services, ensuring uptime and performance.
• Maintain SLOs, SLIs, and error budgets; produce reliability scorecards.
• Lead incident management, execution of post-incident reviews, and problem analysis.
• Drive automation-first initiatives across incident response, deployment, compliance, and observability.
• Collaborate with product and engineering to embed non-functional requirements into delivery pipelines.
• Maintain documentation, including policies, diagrams, and post-incident reports.
• Provide on-call coverage in a team rotation and coordinate with global teams.

Skills

SRE

Cloud operations

Incident management

Automation

Observability

Stakeholder management

CI/CD

Kubernetes

Docker

Terraform

OpenTelemetry

Datadog

AWS

Tools

Terraform

GitHub Actions

Jenkins

Datadog

OpenTelemetry

Kubernetes

Docker

AWS Lambda

ECS

ALB

RDS

CloudWatch Insights

Job description

• We are seeking an accomplished and forward-thinking Engineer to join our Risk Intelligence organisation as the Senior Engineer – Site Reliability Engineering (SRE) for the Risk Intelligence Data Platforms (RIDP) Product Line. Based in Nottingham, UK, this role will be part of the reliability engineering function for critical Data platforms applications supporting the EMEA region
• The successful candidate will be accountable for ensuring the availability, scalability, performance, and security of business-critical platforms while driving operational resilience and service excellence across a complex, cloud-native technology landscape
• You will lead reliability strategies, incident management, automation initiatives, and continuous improvement efforts, while partnering closely with product, engineering, and business stakeholders to align technology outcomes with organisational objectives
• Support 24×7 reliability operations for RIDP services, ensuring uptime, performance, and compliance across Applications
• Maintain SLOs, SLIs, and error budgets; maintain reliability scorecards and drive improvements through engineering backlogs
• Manage critical incidents and problems with appropriate urgency
• Participate in off-hour maintenance windows as needed to support a highly available application Communicate effectively with Design Engineering, Client Support, Management, and Software Development groups
• Document policies and procedures as they are defined and changed
• Drive automation-first mindset across incident response, deployment, compliance, and observability
• Collaborate with product and engineering teams to embed non-functional requirements and secure-by-design principles into delivery pipelines. Being accountable for resolving the outage via workaround or permanent fix
• Ensuring all administration and reports are maintained and up to date, including contacts information, technical diagrams, post major incident reviews
• Work closely with Problem Management to identify recurring or high-impacting incidents that require further analysis and long-term solutions
• Exceptional critical thinking and problem-solving ability
• Provide 24x7 on-call support within a team rotation

You will combine deep expertise in Site Reliability Engineering, cloud operations, and modern software delivery practices with a passion for building high-performing engineering teams3+ years in production operations, SRE, or DevOps rolesExcellent communication and stakeholder management skills; ability to influence across technical and business domainsStrong analytical mindset with a focus on measurable outcomes and continuous improvementProficiency in CI/CD pipelines and infrastructure-as-code tools (Terraform, GitHub Actions, Jenkins)Familiarity with observability platforms (Datadog, BigPanda, OpenTelemetry)Strong understanding of SRE principles (SLOs, SLIs, error budgets, incident response)Experience working with identity platforms and/or fraud detection systemsMinimum 2 + years of working knowledge on AWS Services – Lamda, ECS, ALB, RDS, CloudWatch Insights, etcHands-on experience with container orchestration (Kubernetes, Docker)Calm and structured under pressureStrategic thinker with a bias for action and accountabilityPassionate about engineering excellence, automation, and reliabilityStrong collaborator who builds trust across teams and geographiesCommitted to continuous learning and knowledge sharing