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From the employer's careers site First seen 28 Oct 2026

Senior Platform Engineer

The employer hasn't listed a salary.

Apply on London Stock Exchange Group (LSEG)

Description

This is an exciting opportunity to join a high-impact engineering team at London Stock Exchange Group (LSEG), responsible for developing and evolving the LOCP platform.

You will be working at the forefront of platform engineering, contributing to the design, implementation, and evolution of enterprise-scale infrastructure and platform capabilities that operate at extraordinary scale.

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.
  • Participate in technical design discussions and contribute to engineering decisions within your areas of responsibility.
  • Apply Site Reliability Engineering (SRE) principles to improve platform reliability, scalability, performance, and operational effectiveness.
  • Develop and enhance observability capabilities through logging, metrics, tracing, dashboards, and alerting solutions.
  • Perform troubleshooting, root cause analysis, and problem resolution across platform services and infrastructure components.
  • Work closely with Lead Engineers, Principal Engineers, architects, product teams, and application owners to deliver platform capabilities aligned to business needs.
  • Participate in peer reviews, knowledge sharing, and engineering community activities.
  • Continuously develop technical expertise and remain current with emerging platform, cloud-native, and observability technologies.
  • Contribute positively to a culture of collaboration, innovation, ownership, and continuous learning.
  • Operate effectively within agile and iterative delivery models.
  • Deliver high-quality engineering outcomes through testing, documentation, automation, and adherence to engineering standards.
  • Balance multiple priorities while maintaining a focus on quality, reliability, and customer outcomes.
  • Demonstrate accountability, teamwork, and a proactive approach to problem-solving.

Requirements:

  • Building, operating, or supporting Kubernetes-based platforms in enterprise or large-scale production environments.
  • Infrastructure as Code, particularly Terraform.
  • Site Reliability Engineering (SRE) practices, including automation, operational excellence, incident management, and service reliability.
  • Observability technologies covering metrics, logging, tracing, monitoring, alerting, and dashboarding.
  • Software engineering and automation development using Go (Golang).
  • Linux systems knowledge, including troubleshooting, performance analysis, and platform operations; experience with CI/CD pipelines, Git-based workflows, and modern software delivery practices.
  • Strong analytical and problem-solving skills.
  • Effective communication skills and the ability to work collaboratively across technical teams.
  • Commitment to engineering excellence and a passion for learning, developing new capabilities, and taking ownership of engineering challenges.

Skills

Required

Ready to apply?

You apply with the employer directly. Their original posting is here: https://lseg.wd3.myworkdayjobs.com/en-US/Careers/job/St-Louis-Missouri/Senior-Platform-Engineer_R0122111

Apply on London Stock Exchange Group (LSEG)