Senior Site Reliability Engineer

0-2 years
3 months ago 1 Applied
Job Description


The Customer Identity Access Management (CIAM), Administration, Rights & Entitlements Technology group provides a secure, reliable, and scalable platform allowing LSEG, our customers, and our partners to provision and access our products, services, and the content within them.

We are evolving our Reliability Engineering team to move beyond support and operations. As a Site Reliability Engineer (SRE), 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.

You will be responsible to apply business requirements and knowledge of software lifecycle to support all aspects of CIAM applications, the CIAM production environment including support activities and customer solutions aligned to LSEG business and technology strategy.


  • Manage projects to ensure improvement of the availability, scalability, latency and efficiency of CIAM application and production services.
  • Mentor the team and establishes credibility through quality technical execution.
  • Partner with architects to decompose a solution for technology systems and products.
  • Manages end-to-end availability and performance of key services and build automation to scale systems sustainably, prevent service issues, or when they occur, quickly recover service.
  • 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 and review highly optimized code for LSEG products and solutions and provide feedback and suggested improvements to team members.
  • Be the point of contact in CIAM domain by showing significant depth of knowledge and expertise in technology and develop knowledge of other domains to act on linkages and dependencies.
  • Support the CIAM production environment, including the applications, production processes, and troubleshoot issues related to the critical components of CIAM with appropriate escalation to Developers as needed.
  • Provide Level 2 on-call Production Support for the Engineering team, with the ability to handle any technical issues and make business decisions regarding the Production cycle.
  • Partner with development teams to improve system reliability, observability, and release velocity.
  • Implement new / improved site reliability processes and best practices, as required by Group or departmental Heads.
  • Lead sustainable incident response and production improvements for LSEG.
  • Be a vocal advocate of strong/sound engineering practices that allow us to build, deploy, and run scalable, reliable, and performant services.


  • 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.
  • Experience with one of the following cloud platforms: Azure, AWS, or GCP.
  • Experience with algorithms and data structures, relational databases and Bigdata technologies.
  • Experience in Observability practices with logging, metrics, tracing, and alerting.
  • Experience with Infrastructure as Code.
  • Understanding of authentication and authorisation protocols, identity and access management, and application security.
  • Ability to deploy agile best practices as appropriate throughout the software development lifecycle. Experience working in client-supporting services.
  • Ability to create, apply, and implement technologies to deliver and produce services with minimal human intervention, to improve the efficiency, reliability, and speed tasks.
  • Enthusiastic in seeking new ways of working continuously to make processes run smoother and faster. Strong communication skills.
  • Experience as an Engineer, and a demonstrated proficiency in interfacing with and handling client related and impacting technical issues.
  • Possess knowledge of features and facilities for integration, and communication among applications, databases, and technology platforms to bring together different components and form a fully functional solution to a business problem.
  • Communicate with clarity and precision, presenting complex / technical information in a concise format that is audience appropriate.
  • Partner with clients and resolve issues by diagnosing problems, determining possible resolutions, and implementing effective solutions.
  • Knowledge in the following is a plus: Cloud operations, application support, Kubernetes, Terraform, Datadog, BigPanda, Ping Identity, Okta, and process automation.


  • Career growth by leading a high-profile business technology service.
  • Cutting edge development on AWS platform.
  • Real-world experience working on client-facing financial applications.

Does this sound like a challenge you'd be interested in taking on Join us!

At LSEG, we believe that creating a diverse and inclusive organisation is fundamental to the way we deliver on our promise of creating essential partnerships and open opportunities. Our open culture is central to how we deliver our purpose - driving financial stability, empowering economies and enabling customers to create sustainable growth - in everything we do.

Working with us means that you will be part of a dynamic organisation of 25,000 people across 70 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. You will be part of a collaborative and creative culture where we encourage new ideas and are committed to sustainability across our global business. You will experience the critical role we have in helping to re-engineer the financial ecosystem to support and drive sustainable economic growth. Together, we are aiming to achieve this growth by accelerating the just transition to net zero, enabling growth of the green economy and creating inclusive economic opportunity.

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

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 any mental health or physical disability needs.

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client-supporting services
agile best practices
Observability practices
Bigdata technologies
Ping Identity
authorisation protocols
Infrastructure as Code

Refinitiv is an American-British global provider of financial market data and infrastructure. The company was founded in 2018. It is a subsidiary of London Stock Exchange Group after a US$27 billion dollar sale from previous owners Blackstone Group LP which held a 55% stake and Thomson Reuters which owned 45%. The company has an annual turnover of $6 billion with more than 40,000 client companies in 190 countries.