Engineer - Site Reliability Engineering

LSEG; St. Louis (MO); On-site; USD 120,000 - 210,000; Full time

Job summary

London Stock Exchange Group (LSEG) is seeking a Senior Site Reliability Engineer in a role focused on reliability, performance, and scalability of critical shared services. You will own availability and contribute to cloud migrations, deploying observability stacks with Datadog, Terraform, and IAM tooling.

Join a diverse team that values continuous improvement, on-call readiness, and strong engineering practices to deliver resilient, scalable services across hybrid cloud environments.

Qualifications

• Minimum Bachelor's degree in CS or related field or equivalent practical experience.
• Experience with OO languages: Java, C#, Python, or Go.
• Proficiency with Unix/Linux and Windows operating systems.
• Hands-on experience with cloud platforms Azure, AWS or GCP.

Responsibilities

• Maintain service reliability by defining and measuring SLAs/SLIs/SLOs.
• Write automation to scale systems and enable rapid recovery.
• Collaborate with development teams to improve observability and release velocity.
• Participate in on-call rotations, incident response, and post-mortems.
• Advocate strong engineering practices for scalable, reliable services.
• Contribute to cloud migration initiatives and architecture reviews.

Skills

Java

C#

Python

Go

Unix/Linux

Windows

AWS

Azure

GCP

Education

Bachelor's degree in computer science or related field

Tools

Datadog

Terraform

BigPanda

EntraID

Job description

Our Team

We are evolving our Reliability Engineering team to move beyond support and operations. As a Senior Engineer in Site Reliability, you will be part of a diverse and inclusive organization that has full ownership of the availability, performance, and scalability of one of the most critical shared services at LSEG.

Main responsibilities

We are looking for people with a passion to learn, and who bring a continuous improvement mentality to our team!

• SREs maintain Service Level Objectives for the systems they own. Constantly measuring and improving availability, latency, and overall system health is at the core of our team's purpose.

• Write automation to scale systems sustainably, prevent service issues, or when they occur, quickly recover service.

• Partner with development teams to improve system reliability, observability, and release velocity.

• Participate in on-call rotations, incident response, postmortems, and root cause analysis and resolution.

• Be a vocal advocate of strong/sound engineering practices that allow us to build, deploy, and run scalable, reliable, and performant services.

• Enablers for Cloud migration working with foundation and migration teams from the inception of the projects performing architectural reviews, operational acceptable testing and configuring Datadog dashboards and metrics.

• Be part of continuous learning and development culture.

Minimum qualifications

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

• Experience with Object Oriented programming languages such as: Java, C#, Python, or Go.

• Experience with Unix/Linux and Windows operating systems.

• Hands on Experience with one of the following cloud platforms: Azure, AWS, or GCP.

Preferred qualifications

• Minimum 8-10 years in the industry

• Experience on DevOps concepts and way of working

• Experience with algorithms and data structures.

• Experience in Observability practices with logging, metrics, tracing, and alerting.

• Experience with Infrastructure as Code.

• Understanding of identity and access management, and application security.

We use Datadog and BigPanda for our observability stack, Terraform for our cloud infrastructure, and EntraID as our IAM solutions but we're very open to incorporating your experience with any other tools.

Career Stage:

Senior Associate

London Stock Exchange Group (LSEG) Information:

Join us and be part of a team that values innovation, quality, and continuous improvement. If you're ready to take your career to the next level and make a significant impact, we'd love to hear from you.

LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.

Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership , Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.

Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.

We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone's race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs.

You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet our sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.

Please take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it's used for, and how it's obtained, your rights and how to contact us as a data subject.

If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.