Senior Manager, Live Supervision, Rules & Post Trade

About the role

LSEG's Market Supervision team, within the Market Regulation department, monitors secondary market trading on the London Stock Exchange (LSE) and its related entities to ensure trading is orderly, efficient and compliant with the Exchange's rules, and to spot possible market abuse. This Senior Manager role co-leads and manages Market Supervision coverage for LSE's 24x5 extended trading model during non-UK hours, reporting to the Head of Market Supervision. It is based in Malabe, Sri Lanka, with a hybrid arrangement (3 days in office).

Key responsibilities

• Lead and manage real-time live monitoring and post-trade supervision of LSE 24 activity, covering trading behaviour, market quality, system events and participant activity.
• Act as a senior Market Supervision presence during non-UK hours, managing trading halts, trade cancellations, potential disorderly trading and other market events.
• Drive development, testing and continuous improvement of procedures, playbooks and escalation paths for overnight and cross-time-zone supervision.
• Contribute to surveillance coverage, controls calibration, market event handling and operational readiness for LSE 24, including scenario testing, dress rehearsals, incident simulations, communication templates, regulatory evidence packs and lessons-learned processes.
• Interact with member firms and market participants on supervisory matters, rule application, trade queries, incident follow-up and information requests.
• Investigate and escalate unusual trading patterns or potential market abuse, preparing internal analysis and possible regulatory referral materials.
• Contribute to future expansion planning for LSE 24, including operating model refinement and potential interaction with future digital market infrastructure.

Required profile

• Degree or equivalent experience.
• Experience in market supervision, trading venue operations, compliance, risk, front-office trading, surveillance, exchange operations or a similar regulated financial markets environment.
• Strong understanding of secondary market trading, market structure, trading rules, order and trade lifecycle and venue control frameworks.
• Experience managing or escalating live market events such as trading halts, disorderly trading, trade cancellations, technical incidents or participant issues.
• Working knowledge of UK and European regulations, including MiFID, MiFIR and MAR.
• Proven ability to lead teams, manage workflow and make well-documented decisions in time-critical situations.
• Strong stakeholder management and written and verbal communication skills, including producing incident summaries, escalation notes and decision records.

Desirable

• Experience supervising ETPs, RFQ models, quote-driven markets, bilateral settlement or extended-hours trading.
• Familiarity with surveillance tools, trading platforms, incident management tools and large trading datasets.
• Understanding of US and APAC market dynamics, including retail-driven flow, overnight liquidity and out-of-hours event risk.

Shifts are 4:00 AM to 1:00 PM or 5:00 AM to 2:00 PM Sri Lanka time; timings may change with UK daylight saving time, and candidates must be flexible to a one-hour adjustment. Career stage: Manager.