Senior Site Reliability Engineer - Observability

LSEG (London Stock Exchange Group); Allen (TX); On-site; USD 140,000 - 190,000; Full time

Job summary

LSEG (London Stock Exchange Group) is seeking a Senior Site Reliability Engineer to drive reliability across new and existing platforms. You will work with Architecture, Engineering, Security, and Platform teams to embed reliability from day one.

This role emphasizes proactive ownership, leadership presence, and collaboration with global teams. No people-management or shift-based duties are required; you will respond to major incidents when needed.

Qualifications

• Senior SRE role shaping foundations of reliability across platforms.
• Not a people-management or shift-based role.
• Requires proactive ownership and leadership presence.

Responsibilities

• 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 to improve visibility, reduce toil, and strengthen system health.
• Continuously drive reliability improvements through incident reduction and performance tuning.
• Partner with Security to ensure platforms meet compliance.

Skills

Reliability engineering

Observability

Incident management

Leadership

Cross-team collaboration

Tools

Monitoring systems

Observability tooling

Job description

LSEG (London Stock Exchange Group) is seeking a Senior Site Reliability Engineer to drive reliability across new and existing platforms. You will work with Architecture, Engineering, Security, and Platform teams to embed reliability from day one.

This role emphasizes proactive ownership, leadership presence, and collaboration with global teams. No people-management or shift-based duties are required; you will respond to major incidents when needed.