Analyst, Market Supervision, LSE 24

About the role

Market Supervision sits within the Market Regulation department and monitors secondary market trading across the London Stock Exchange (LSE), Turquoise Global Holdings Limited (TGHL) and Turquoise Global Holdings Europe B.V. (TGHE). This role supports real-time and post-trade supervision of LSE 24, the extended-hours trading model, by monitoring, investigating and escalating unusual trading activity, market events, potential market abuse and breaches of Exchange Rules. It is a Senior Associate position.

Key responsibilities

• Perform real-time and post-trade monitoring of LSE 24 activity, flagging unusual trading behaviour, market events and participant activity needing review.
• Investigate and escalate unusual trading patterns, potential market abuse indicators, disorderly trading and possible breaches of Exchange Rules.
• Support monitoring and management of trading halts, volatility events, trade cancellations and other incidents during non-UK working hours.
• Analyse trading data, surveillance outputs and market information to support supervisory assessments and investigations.
• Prepare investigation summaries, reports, escalations and management information.
• Respond to member firm enquiries and support supervisory follow-up under established procedures.
• Apply knowledge of LSEG rule books, market structure, trading systems and venue controls when reviewing activity.
• Help maintain and improve surveillance controls, monitoring procedures and operational playbooks.
• Work with Operations, Compliance, Technology and Regulatory teams across time zones, and contribute to testing, readiness and process improvements for the LSE 24 operating model.

Required profile

• Experience in financial markets, market operations, market supervision, surveillance, compliance, exchange operations or a similar environment.
• Ability to analyse data and spot exceptions, trends or unusual activity.
• Strong analytical and problem-solving skills, attention to detail and ability to follow procedures in a time-sensitive setting.
• Effective verbal and written communication and ability to build working relationships with internal stakeholders and market participants.

Required skills

• Proficiency in Microsoft Excel and other standard analytical tools.
• Desirable: SQL, Python or other data analysis tools.
• Desirable: familiarity with trading venue surveillance systems and market monitoring tools.

What we offer

• Anticipated base salary of $75,700 - $126,100, with eligibility for the Annual Incentive Plan (bonus plan).
• LSEG Benefits program covering wellness allowance, paid time off, medical, dental, vision, flex spending and health savings options, prescription drug plan, 401(k) with company match, life insurance, disability and emergency backup dependent care, and more.