Site Reliability Engineer - - Electronic Trading Team

London Stock Exchange$100K — $130K *
Finance & Insurance
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in computer science or related field, or equivalent experience
  • Proficiency in programming languages: Java, C#, Python
  • Experience with relational databases and SQL
  • Knowledge of Infrastructure as Code
  • Familiarity with observability practices: logging, metrics, tracing, and alerting
  • Hands-on experience with cloud platforms: Azure, AWS, Kubernetes

Responsibilities

  • Own and maintain Service Level Objectives (SLOs) for supported systems
  • Continuously measure and improve system availability and health
  • Develop automation for sustainable scaling and issue mitigation
  • Collaborate with developers to enhance reliability and release velocity
  • Participate in on-call duties and incident response, ensuring strong engineering practices
  • Facilitate Cloud migration initiatives from inception to operational readiness
  • Conduct architectural reviews and support acceptance testing for operational readiness

Benefits

  • Inclusive and diverse work environment
  • Opportunity to work on high-performance FX trading platform
  • Engagement with cutting-edge technology in finance
  • Access to continuous learning and improvement initiatives
  • Exposure to complex, mission-critical systems
Full Job Description

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.

We are looking for people with a passion for learning and a continuous‑improvement mindset to join our Electronic Trading (ET) team. As a Site Reliability Engineer, you will be responsible for the design, reliability, and operational excellence of our high‑performance FX trading platform—technology used by major financial institutions around the world.

This role plays a key part in ensuring our trading systems remain robust, secure, scalable, and highly available. You will work across complex, mission‑critical environments and drive architectural enhancements that support the future of our platform. 

The ET platform is a highly configurable, component‑based FX dealing system delivered as isolated client instances. It supports direct electronic trading via web interfaces, connectivity adaptors, and APIs. The platform integrates seamlessly with market‑rate providers, credit engines, and backend services to enable full straight‑through processing.

What You Will Do

  • Own and maintain Service Level Objectives (SLOs) for the systems you support.

  •  Continuously measure and improve availability, and overall system health.

  •  Develop automation to scale systems sustainably and prevent or mitigate service issues.

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

  • Participate in on‑call rotations, incident response, post‑incident reviews, and root‑cause analysis. Promote strong engineering practices to help build, deploy, and operate high‑performance services.

  •  Act as a key enabler for Cloud migration, working with operations and engineering teams from project inception through to operational readiness.

  •  Conduct architectural reviews, support operational acceptance testing, and configure Datadog dashboards and metrics.

You will need to have experience of DevOps or operating highly available distributed systems, strong scripting and automation skills (Bash,Python,etc). Understanding of Linux and cloud environments. Knowledge of working with financial trading systems an advantage.

Minimum qualifications

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

  • Experience with programming languages such as: Java, C#, Python.

  • Experience with relational databases and SQL

  • Experience with Infrastructure as Code.

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

  • Hands on Experience with one of the following cloud platforms: Azure, AWS, Kubernetes

Preferred qualifications

  • Experience on DevOps concepts and way of working.

  •  Experience with algorithms and data structures.

Career Stage:

Senior Associate

About London Stock Exchange

London Stock Exchange Careers

There has never been a better time to join the global team at London Stock Exchange, a leading financial marketplace renowned for its robust growth, innovation, and leadership in the financial sector.

Work You’ll Do

Join London Stock Exchange's market-leading team to help drive the future of financial markets. At the intersection of finance and technology, the company offers a unique position in the marketplace, fostering digital innovation and industry expertise. Professionals at London Stock Exchange work with a dynamic team of business and technology advisors, helping clients and the market navigate through complex financial landscapes with cutting-edge solutions. Collaborate with some of the most talented financial experts in the industry—professionals dedicated to advancing the state of financial markets and services.

Introducing the London Stock Exchange Professional Growth and Development Initiative

The initiative is building a market-leading team to propel London Stock Exchange to new heights, focusing on digital transformation and financial innovation.

Do Innovative Work

Engage in groundbreaking work with London Stock Exchange, where job opportunities abound for pushing the boundaries of financial technology and services.

Drive Innovation and Leadership

Deliver targeted financial solutions through a depth and breadth of consulting experience and innovation that’s second to none. London Stock Exchange is a place where leadership and diversity training meet to create a powerhouse in financial services.

Be Part of a Great Team

Join a team that values diversity and is committed to creating an inclusive culture. London Stockage Exchange offers a wide range of benefits and a culture that fosters professional growth and networking opportunities.

Future-proof Your Career

With London Stock Exchange, career advancement is limitless. The company supports professional growth with unmatched training, development, and certification support.

Explore Job Opportunities and Internships

From internships to leadership positions, London Stockage Exchange offers a variety of roles for individuals at every stage of their career. The company is continuously hiring, seeking passionate, curious, and innovative team players.

The London Stock Exchange Commitment to Professional Development

With a commitment to professional development and employment diversity, London Stock Exchange ensures that all team members have the resources and opportunities to thrive in their careers.

Stay Connected

Join the Team

Search open positions that match your skills and interests. London Stockage Exchange looks for passionate, creative, and solution-driven professionals. SEARCH LONDON STOCK EXCHANGE JOBS

Keep Up to Date

Stay ahead with career tips, insider perspectives, and industry-leading insights you can put to use today—all from the people who work at London Stock Exchange.

READ CAREERS BLOG

Job Alert Emails

Personalize your subscription to receive job alerts, latest news, and insider tips tailored to your preferences. Discover the exciting and rewarding opportunities that await at London Stockage Exchange.
Learn more about London Stock Exchange

Similar Jobs

More Jobs at London Stock Exchange

More Finance & Insurance Jobs

Find similar Site Reliability Engineer - - Electronic Trading Team jobs: