Senior Platform Engineer - LOCP Platform

About the role

LSEG (London Stock Exchange Group) is hiring a Senior Platform Engineer in St. Louis to join a high-impact engineering team building the LOCP platform, a container-based platform designed for ultra-low latency, high throughput and resilience. You will work alongside engineering, product, architecture and SRE specialists on enterprise-scale infrastructure.

Key responsibilities

• Design, develop, implement and support LOCP platform capabilities across development, test and production environments.
• Build and maintain platform services using Infrastructure as Code, automation and modern engineering practices.
• Take part in technical design discussions and engineering decisions.
• Apply SRE principles to improve reliability, scalability, performance and operational effectiveness.
• Enhance observability through logging, metrics, tracing, dashboards and alerting, and perform troubleshooting and root cause analysis.
• Work with Lead Engineers, Principal Engineers, architects, product teams and application owners, and take part in peer reviews and knowledge sharing.
• Stay current with platform, cloud-native and observability technologies and work in agile, iterative delivery.

Required profile

• Strong experience in several of the listed areas, with expertise in at least two.
• Ability to balance multiple priorities while keeping quality and reliability in focus.
• Effective communication and collaboration across technical teams, and a commitment to engineering excellence.

Required skills

• Kubernetes-based platforms in production environments.
• Infrastructure as Code, particularly Terraform.
• SRE practices, including automation, incident management and service reliability.
• Observability: metrics, logging, tracing, monitoring, alerting and dashboards.
• Software engineering and automation in Go (Golang).
• Linux, CI/CD pipelines, Git workflows and modern software delivery practices.