Site Reliability Engineer

London Stock Exchange$100K — $130K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Computer Science or related field required.
  • Proficiency in Shell and Python scripting languages.
  • Experience with Infrastructure as Code using Terraform or similar tools.
  • Hands-on experience with AWS services like EC2, S3, and RDS, and knowledge of Azure services.
  • Familiarity with Docker and Kubernetes, preferably EKS or AKS.
  • Experience with observability tools such as Datadog and AWS CloudWatch.
  • Skilled in implementing and maintaining CI/CD pipelines.

Responsibilities

  • Maintain Service Level Objectives for cloud systems, optimizing availability and performance.
  • Design automation for AWS and Azure to ensure sustainable scaling and fast recovery.
  • Collaborate with development teams to enhance system reliability and release speed.
  • Participate in on-call rotations and conduct incident response and analysis.
  • Promote strong engineering practices for reliable services across cloud environments.
  • Assist in cloud migration by conducting architectural reviews and setting up observability dashboards.
  • Encourage continuous learning in multi-cloud technologies.

Benefits

  • Tailored healthcare options including medical, dental, and vision.
  • Retirement planning support and savings schemes.
  • Paid days off for volunteering activities.
  • Wellbeing initiatives to support employee health and work-life balance.
Full Job Description
Main Responsibilities

Maintain Service Level Objectives (SLOs) for cloud-hosted systems, continuously measuring and improving availability, latency, and overall system health.

Design and implement automation for AWS and Azure environments to scale systems sustainably, prevent service issues, and enable rapid recovery.

Partner with development teams to improve reliability, observability, and release velocity using cloud-native tools and guidelines.

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

Advocate for strong engineering practices for building, deploying, and running scalable, reliable services across AWS and Azure.

Enable cloud migration by performing architectural reviews, operational readiness testing, and configuring observability dashboards (e.g., Datadog integrated with AWS CloudWatch and Azure Monitor).

Drive continuous learning and development in multi-cloud technologies.

Minimum Qualifications

Bachelor's degree or equivalent experience in Computer Science or related technical field.

Proficiency in scripting languages (Shell, Python).

Experience maintaining Infrastructure as Code (IaC) using Terraform (or AWS CloudFormation, Azure ARM templates).

Hands-on experience with AWS services (EC2, S3, RDS, IAM, VPC, Lambda) and familiarity with Azure equivalents.

Knowledge of Docker and Kubernetes (EKS or AKS preferred).

Familiarity with observability tools like Datadog, AWS CloudWatch, or Azure Monitor.

Implement and maintain CI/CD pipelines (AWS CodePipeline, Azure DevOps, or similar).

Incident response and blameless postmortems.

Proficient in Git workflows.

Preferred Qualifications

2-5 years of proven experience.

Strong understanding of AWS Well-Architected Framework and Azure Architecture Center.

Experience with cloud security guidelines (IAM, KMS, Secrets Manager).

Familiarity with cloud-native databases (AWS RDS/DynamoDB, Azure SQL).

Knowledge of DevOps concepts and modern cloud-native architectures.

Career Stage:
Senior Associate

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

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

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