Job Description

Reliability Engineering
Infrastructure Service Delivery, Markets
Career Level - Senior Engineer, Grade 11
Team Profile:
Infrastructure Service Delivery (ISD) is responsible for the providing business aligned, best of breed technology solutions, engineering & extended level of infrastructure support. The department is made up of the following teams:LSEG Markets Corporate Engineering Data and Analytics Service Excellence

This Reliability Engineer role is aligned to the LSEG Markets pillar within Infrastructure Service Delivery (ISD)
Role Description
This is a Reliability Engineer role within the Infrastructure Service Delivery (ISD) organisation in I&C, focussed on the LSEG Markets businesses.
This Reliability Engineering (RE) role combines software and systems engineering for building and running large-scale, distributed, fault-tolerant systems. RE ensures that internal and external services meet or exceed reliability and performance expectations while adhering to our engineering principles. RE is also an engineering approach to building and running production systems, we engineer solutions to operational problems. Practices such as limiting time spent on operational work, blameless post-mortems, proactive identification, and prevention of potential outages.
Key ResponsibilitiesIdentifies and proposes strategic service and system changes, enhancements and developments and liaises with appropriate third party and software vendors, users and IT teams Responsible for delivering best of breed enhancements to the environment including but not limited to automation, monitoring and alerting Architect, Design and Drive enhancements to the environment through to implementation Proactively ensure the highest levels of systems and infrastructure availability Understand existing complex environment and be able to easily identify problem areas and undertake successful implementations to resolve and/or mitigate Apply the best of Site Reliability Engineering, DevOps, CI/CD and Infrastructure as Code practices to simultaneously increase change velocity and platform stability Ensuring monitoring performance and identifying any issues, identify possible solutions, and work with support engineers to provide resolution Participate in the design of information and operational support systems Install, configure, test and maintain operating systems, application software and system management tools Provide an advanced level of support to the existing environment when required Maintain security, backup, and redundancy strategies Write and maintain custom scripts to increase system efficiency and lower the human intervention time on any tasks Escalate risks and issues and provide frequent status reports and for management Write and maintain appropriate documentation for manual and automated processes Manage, deliver and monitor a number of key improvements to the current systems and infrastructure Actively report on project progress, raising risks and managing deliverables often with conflicting priorities and timescales

Key Skills/BehavioursBS/MS degree in Computer Science, Engineering (or a related subject) or have 5+ years relevant experience in similar role and environment. Have a strong technical background; 3+ years' experience in an IT or technology support role 2-3 years of experience in DevOps/SRE; Pro-active behaviour that demonstrates initiative and positive work ethic; Solid interpersonal skills and comfortable interacting with stakeholders at both infrastructure and application levels; Ability to manage diverse locations and employees from diverse cultures; Experience of managing a range of internal and external stakeholders

Preferred Skills/BehavioursExperience in benchmarking and performance analysis of parallel applications & workflows Experience with automation software (e.g., Puppet, Ansible) preferably; Experience with virtualization and containerization (e.g., VMware, RHEV) preferably; Experience with monitoring systems; Experience with scripting (e.g., shell scripts, Perl, Ruby, Python); Systems configuration and administration: Windows and/or Linux; Networking experience load balancing, network security, standard network protocols (HTTP/s, DNS, etc.); Database knowledge (Oracle, MSSQL); Strong experience in public cloud platforms (AWS or Azure); Experience with containerization (Kubernetes, Docker); Experience in monitoring and data analytics tools such as Prometheus, Grafana, Dynatrace, Open Telemetry, ELK; Experience with CI/CD tooling Jenkins, GitLab, and others; Experience deploying infrastructure as a code (Terraform); Ability to analyse how components of a distributed system work together using a broad range of skills and tools;

About London Stock Exchange Group
London Stock Exchange Group (LSEG) is a diversified international exchange Group that sits at the heart of the world's financial community. The Group can trace its history back to 1801.
People are at the heart of what we do and drive the success of our business. Our colleagues thrive personally and professionally through our shared values of Integrity, Partnership, Innovation and Excellence are at the core of our culture. We embrace diversity and actively seek to attract people with unique backgrounds and perspectives. We are always looking at ways to become more agile so we meet the needs of our teams and customers. We believe that an inclusive collaborative workplace is pivotal to our success and supports the potential and growth of all colleagues at LSEG.
A career with London Stock Exchange Group offers you the opportunity to be at the centre of the financial community. As well as competitive salaries and a range of attractive benefits, we maximise each employee's potential through personal development plans, training, coaching and mentoring.
Proud to share LSEG in the India is Great Place to Work certified (Jun '25 - Jun '26).
Learn more about life and purpose of our company directly from India colleagues' video: Bengaluru, India | Where We Work | LSEG
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. 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 mental health or physical disability needs.
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