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# Senior Engineer, Site Reliability Engineer

- **Company:** LSEG (London Stock Exchange Group)
- **Location:** Creve Coeur, MO, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Amazon Web Services, Systems Engineering, Microsoft Azure, Unix, Computer Networks, Distributed Systems, Domain Name System (DNS), Hypertext Transfer Protocols (HTTP), Reliability Engineering, Shell Script, TCP/IP, Datadog, Scripting, Spring Cloud, Git, Kubernetes, Information Technology, Low Latency, Software Version Control, Docker
- **Published:** June 18, 2026
- **Apply:** https://diversityjobs.com/career/14033842/Senior-Engineer-Site-Reliability-Engineer-Missouri-Creve-Coeur

## About the Role

* Extensive experience in UNIX administration and scripting, including shell scripting and automation.

 * Practical experience supporting cloud-native applications, with a preference for AWS or Azure.

 * Advanced understanding of networking concepts such as TCP/IP, HTTP, and DNS resolution, with experience in real-time or low-latency environments a plus.

 * Experience in configuring and using Kubernetes, Docker, and container-based development and applications.

 * Proven experience in troubleshooting large distributed systems; experience with market data systems is a plus.

 * Expertise in working with and maintaining observability tooling (DataDog and BigPanda experience is highly desirable)

 * Strong grasp of version control systems, particularly Git.

 * A bachelor's degree in computer science or a related technical field involving software/systems engineering, or equivalent practical experience.

 * A minimum of 8 years of work experience in the industry, with customer support experience being a plus.

## Description

* Lead Incident Recovery: Direct the recovery of incidents, analyze facts quickly, perform troubleshooting activities, and coordinate actions through incident recovery meetings.

 * Incident Reporting and Customer Advocacy: Write detailed incident reports, advocate for customers in post-incident reviews, and review and approve customer statements.

 * Production Environment Stability: Ensure a stable production environment by safely delivering changes and thoroughly assessing deployment risks.

 * Operational Process Improvement: Automate operational processes to reduce manual work. Ensure all alerts are actionable and collaborate with development teams to eliminate unnecessary alerts.

 * Subject Matter Expertise: Develop expertise in application dataflows and networking topologies and maintain comprehensive troubleshooting knowledge bases.

 * Collaboration with Development Teams: Collaborate closely with development teams to prioritize iterative improvements to production environments in the product backlog.

 * Project Intake and Delivery: Serve as the SRE point of contact for new projects. Collaborate with project delivery teams to produce high-quality project artifacts, ensure application designs meet supportability standards, conduct operational acceptance testing, and lead Game Day activities.


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