Responsibilities: • Review order lifecycle data (order entry, modification, cancellation and execution) to assess intent and impact • Analyze activity to identify potential manipulation and abusive practices such as spoofing, layering, momentum ignition, wash trading, marking the open/close and pre-arranged trades • Perform cross-product surveillance across equities and listed options • Independently review and disposition NTS alerts through trade reconstruction, order book analysis and market context review • Document findings clearly and concisely in surveillance case management systems • Escalate potential to senior surveillance personnel with clear supporting analysis • Assist in preparing case summaries for month Trade Surveillance Committee meetings • Provide feedback to senior team members on alert performance, false positives and recurring patterns observed in NTS • Identify surveillance caps or emerging risks associated with new products, order types or customer trading behavior. Experience and Skills: 3-5 years of hands-on experience using NTS in a broker-dealer or exchange environment Demonstrated experience identifying and investigating layering, spoofing, momentum ignition, coordinated trading, and other market manipulation alerts Strong understanding of equities and listed options markets, including order types, routing, execution mechanics and common trading strategies Ability to assess trading intent and distinguish legitimate strategies from abusive conduct Experience supporting active retail trading environments Strong analytical, investigative and documentation skills.