Trade Surveillance Specialist

Job description

# Trade Surveillance Specialist > G MASS · London, United Kingdom · Contract · Posted 2026-07-30 **Salary:** Up to GBP 150,000 **Workplace:** on_site ## Description G MASS Consulting are partnered with a leading Hedge Fund, as they seek a Trade Surveillance professional to join its Compliance and Surveillance team in London. This role is ideal for someone who combines hands-on trade surveillance experience with strong data manipulation and transformation skills. The role has a combination of BAU surveillance responsibilities, as well as process and data transformation initiatives to enhance detection capabilities, data quality, and automation. Equally important is mindset. The team is small, fast-moving, and highly commercial, and the successful candidate will be someone who takes ownership from day one, works without hand-holding, and actively looks for ways to make the surveillance framework better. **Responsibilities:** - Monitor and review daily surveillance alerts across both client-facing and proprietary business flows, ensuring timely and accurate disposition. - Investigate potential market abuse, insider trading, and other trading anomalies across multiple asset classes, escalating issues where necessary. - Conduct deep-dive analysis of the trading activity underpinning alerts, synthesising transactional data, market data, market context, client risk profiles, execution timing, and other potential risk factors. - Document investigation findings in line with compliance procedures. - Feed into and drive change initiatives to refine alert parameters, tune detection logic, and where necessary rewrite alert definitions outright - covering risk while aggressively minimising noise. - Collaborate on the design and development of internal tooling to streamline governance, automate operational workflows, and stand up auxiliary monitoring platforms. - Work with technology teams to optimise the data feeds, logic, and infrastructure supporting surveillance tools. - Take ownership of process and data improvement initiatives end to end, identifying opportunities proactively rather than waiting for direction. - Assist with periodic reviews, regulatory requests, and audit queries. - Contribute to ongoing enhancements of the surveillance framework and data architecture. ## Requirements - A genuine ownership mindset. The team is deliberately lean and does not operate with close supervision: you will be expected to identify what needs doing, drive it to completion, and hold yourself accountable end to end. - Hands-on experience in trade surveillance, compliance monitoring, or control functions at a hedge fund, investment bank, or asset manager. - Understanding of global market abuse regulations and surveillance practices across asset classes. - Strong data analysis and data manipulation capability, including SQL, with the ability to interrogate large datasets and turn findings into practical improvements. - Demonstrated experience balancing BAU surveillance work with data transformation or enhancement projects. - Comfortable partnering with diverse stakeholders across compliance, technology, trading, and the wider business - writing requirements, supporting UAT, and holding technology teams to account. - Experience covering both client-facing and proprietary trading flows is strongly advantageous. - Exposure to surveillance platforms such as Actimize or SMARTS, including scenario and rule design, alert calibration, and threshold tuning, is advantageous. - Deep curiosity applied to data analysis, and a demonstrable track record of improving the processes you inherit rather than simply operating them. ## Benefits Salary: up to £150k Length: 12 months, with the likelihood of extension or a strong permanent conversion pathway ## Apply [Apply at G MASS](https://apply.workable.com/g-mass/j/068EF86CB8/apply) --- Powered by [Workable](https://www.workable.com)