Senior Market Supervision Surveillance Specialist

Company: London Stock Exchange Group
Apply for the Senior Market Supervision Surveillance Specialist
Location: London
Job Description:

Overview

In this role you will help identify and analyse potential market abuse and financial crime across LSEG secondary markets. You will work with post-trade trading data to detect unusual patterns and support investigations for potential referrals. The role combines hands-on data analysis with developing the team’s data-analytic capabilities, in a collaborative, quality-driven environment. You will engage with stakeholders, present cases, and contribute to maintaining orderly, compliant markets and effective surveillance. This is a senior, impact-focused position within Market Supervision that emphasizes growth in data skills and practical regulatory insight.

Pay / Benefits

  • healthcare
  • retirement planning
  • paid volunteering days
  • wellbeing initiatives
  • tailored benefits and support

Responsibilities

  • Identify and analyse potential market abuse and financial crime in secondary markets
  • Conduct detailed post-trade trading analysis for LSEG venues
  • Help develop capabilities to manipulate and visualise large data sets
  • Raise trading queries with members, present cases at team meetings, and submit STORs when needed
  • Identify and implement improved methods for data manipulation/analysis using BI tools, Excel, or with the Quantitative Surveillance and Technology team
  • Optimise and develop surveillance alerts
  • Keep team documentation up-to-date (alert versions, procedures, thresholds)

Key requirements

  • Experience with large datasets and identifying unusual trading patterns
  • Experience in automating manual tasks and introducing new tools/techniques
  • Experience in trading analysis related to market misconduct, especially market abuse
  • Awareness of UK/European market abuse legislation
  • Knowledge of secondary markets and trading across equities, FICC, and related derivatives
  • Strong analytical and data manipulation skills
  • Good organisation, prioritisation and ability to progress issues in a timely manner
  • Strong written and verbal communication skills and ability to present effectively in writing and speaking
  • Proactive attitude
  • Strong team player
  • Good stakeholder management and regular communication
  • SQL (Desirable)
  • VBA (Desirable)
  • Python data packages (Desirable)

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Posted: October 1st, 2026