Engineer, Site Reliability Engineering

Role Profile 

We are looking for a Site Reliability Engineer (SRE) to join our Production SRE Support Team within the Markets and Risk Intelligence division. This role focuses on supporting Snowflake environments and ensuring reliability and operational excellence across production and selected non-production environments. 

 
The role involves managing testing, build, and implementation of releases, as well as independent infrastructure and environment support. Working within the wider SRE Support Team, the focus will be on delivering the change programme across all lifecycles—from development, test, UAT, Member Test, to Production environments. A production-focused approach is essential, with resilience, operational readiness, performance, and production support at the forefront of delivery. 

 
Flexibility to work across different shifts aligned to UK time is expected, with occasional out-of-hours support including nights, weekends, and holidays. The role involves collaborating with business teams for investigations and providing technical guidance when needed. A good understanding of underlying technologies and the ability to assist developers with fixes or enhancements is important. The ideal candidate should be dedicated and able to manage priorities effectively without rigid oversight. 

Key Responsibilities 

Operational Support 

• Monitor and maintain Snowflake databases and related infrastructure for performance, availability, and reliability. 

• Participate in incident management, troubleshooting, and root cause analysis. 

• Maintain and improve documentation, runbooks, and operational procedures. 

• Participate in shift rotations and occasional out-of-hours support. 

Deployment & Automation 

• Implement releases and changes across development, test, and production environments. 

• Apply standard processes for database administration, including backups, recovery, and security. 

• Automate deployment and maintenance tasks using Infrastructure-as-Code tools (Terraform, CloudFormation). 

• Develop scripts and tools to improve operational efficiency. 

Monitoring & Performance 

• Configure and maintain monitoring and logging tools (e.g., Datadog) to ensure system health. 

• Analyze system performance and implement improvements for cost efficiency and resilience. 

Collaboration 

• Work closely with developers and product teams to embed reliability into the software lifecycle. 

• Contribute to knowledge sharing and team documentation. 

• Support global SRE initiatives and cross-regional collaboration. 

Person Specification 

• Bachelor’s degree in computer science, Engineering, or a related technical field or equivalent practical experience. 

Required Skills and Experience 

• Experience in SRE, DevOps, or related roles would be advantage. 

• Hands-on experience with Snowflake or other database technologies. 

• Hands-on in version control repository (ideally Bitbucket or GitHub) 

• Proficiency in SQL and basic query optimization. 

• Familiarity with cloud platforms (AWS or Azure) and Infrastructure-as-Code tools (Terraform, CloudFormation). 

• Scripting skills in Python, Bash, or PowerShell. 

• Exposure to CI/CD pipelines and DevOps practices. 

• Experience with monitoring tools (Datadog or similar) and 

• ITSM platforms (ServiceNow preferred). 

• Good communication and problem-solving skills. 

Personal Attributes 

• Technically curious and detail oriented. 

• Detail-oriented and proactive in identifying reliability improvements. 

• Strong collaboration skills and ability to work in a fast-paced environment. 

• Passionate about automation, reliability, and continuous improvement. 

Career Stage:

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 their 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.

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