London, England, United Kingdom Remote (Country) Employment

London Stock Exchange Group (LSEG) is hiring a Manager - Site Reliability Engineering

About the Role

London Stock Exchange Group (LSEG) is looking for a Manager - Site Reliability Engineering to strengthen the leadership of our Clearing Technology Service Production Management team. In this critical role, you will be responsible for ensuring the stability, resilience, and performance of production systems while driving continuous improvement and SRE best practices.

What You'll Do

  • Assume end-to-end accountability for the Clearing production environment, ensuring high availability, optimal performance, and robust resilience.
  • Act as Incident Commander during major incidents, leading resolution efforts, managing stakeholder communications, and driving root cause analysis.
  • Build and mentor a high-performing SRE team, promoting a culture of accountability, continuous improvement, and blameless postmortems.
  • Ensure adherence to response and resolution SLAs and oversee efficient ticket management and escalation processes.
  • Develop strong partnerships across LCH and LSEG teams to ensure timely delivery of business-critical activities and transparent communication of risks.
  • Monitor and analyse technical processes to identify and implement improvements that minimise business disruption.
  • Ensure compliance with regulatory standards and internal governance, while proactively mitigating operational risks.
  • Establish and maintain robust observability practices using metrics, logging, and tracing to drive data-driven decisions.
  • Be available for overnight support to ensure successful completion of processing and respond to overnight calls.
  • Participate in Disaster Recovery exercises.

What We're Looking For

  • Significant experience in Production Support or SRE roles with at least 3 years in a leadership capacity.
  • Deep technical expertise in Oracle database troubleshooting, scalability, performance tuning, and optimization.
  • Demonstrated experience implementing SRE frameworks, including SLOs, SLIs, incident management, and chaos engineering.
  • Experience leading teams supporting systems deployed across mixed infrastructure (Cloud and On-Premise, AWS preferred).
  • Solid understanding of change management, risk posture, and production readiness.
  • A strong track record of delivering automation at scale using Python, Shell, or PowerShell to reduce toil.
  • Excellent communication and stakeholder management skills, particularly under pressure.
  • Familiarity with observability tools and practices, and the ability to lead capacity planning and scalability strategies.
  • Knowledge of clearing and settlement processes in financial markets and familiarity with regulatory requirements.
  • Demonstrable experience managing SRE or Production Support teams in a critically important financial services environment.
  • Experience managing teams located across multiple locations and time zones.
  • Excellent analytical skills, attention to detail, and problem-solving abilities.
  • Ability to communicate clearly and concisely to IT, business teams, and senior management, breaking down complex technical issues.
  • Familiarity with financial products and terminology.
  • Degree educated or equivalent work experience.

Technical Stack

  • Oracle database
  • AWS
  • ServiceNow
  • Python
  • Shell
  • PowerShell

Team & Environment

You will be part of the Production Management leadership team of Clearing Technology Service, working closely with partners across LCH and LSEG.

Benefits & Compensation

  • Healthcare
  • Retirement planning
  • Paid volunteering days
  • Wellbeing initiatives

Work Mode

This role is based locally in the United Kingdom.

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.

Required Skills
Oracle databaseAWSServiceNowPythonShellPowerShellProduction SupportSREPerformance TuningIncident ManagementChange Management
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About company
London Stock Exchange Group (LSEG)

LSEG is a leading global financial markets infrastructure and data provider. Its purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.

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Job Details
Department Information Technology
Category infrastructure
Posted 14 days ago