Technical Lead SRE — Build Reliability & Observability

LSEG; St. Louis (MO); On-site; USD 140,000 - 200,000; Full time

Job summary

London Stock Exchange Group (LSEG) is seeking a highly senior Technical Lead SRE to shape reliability across platforms in our Markets and Risk Intelligence division. You will lead hands-on efforts, collaborate with Architecture, Security, and Platform teams, and drive observability, security, and operational excellence from day one.

You will guide SRE practice, implement modern monitoring and alerting, and mentor engineers while influencing cloud cost strategies and overall system health in a

Qualifications

• 10+ years of hands-on technical experience in SRE, Platform Engineering, Infrastructure, or related roles.

Responsibilities

• Lead the establishment of SRE foundations for new projects with monitoring, alerting, and readiness from day one.
• Collaborate with Architecture and Engineering to embed reliability, scalability, security, and observability into system design.
• Define, implement, and champion observability standards, tooling, and guidelines across metrics, logs, traces, and SLIs/SLOs.
• Design and evolve monitoring and alerting solutions to improve visibility and reduce toil.
• Drive reliability improvements through incident reduction, performance tuning, and resilient patterns.
• Partner with Security to meet compliance, security, and risk-management expectations.
• Lead handovers from project delivery into BAU SRE operations with proper documentation and readiness.
• Influence architectural decisions through data-driven cloud cost optimization.
• Mentor engineers and foster a culture of learning and development.

Skills

Azure & AKS

Kubernetes

Linux

Observability

Datadog

SRE principles

Architecture collaboration

Cloud security

Cloud cost optimisation

AI observability

Education

Bachelor's Degree in CS or related

Tools

Prometheus

Grafana

ELK

OpenTelemetry

Terraform

CloudFormation

Job description

London Stock Exchange Group (LSEG) is seeking a highly senior Technical Lead SRE to shape reliability across platforms in our Markets and Risk Intelligence division. You will lead hands-on efforts, collaborate with Architecture, Security, and Platform teams, and drive observability, security, and operational excellence from day one.

You will guide SRE practice, implement modern monitoring and alerting, and mentor engineers while influencing cloud cost strategies and overall system health in a