Legal Counsel supports prime brokerage and futures transactional work across North America. Responsibilities include negotiating financial services contracts, updating trading agreements, managing client documentation and relationships, assessing contractual risks, advising internal stakeholders, and ensuring compliance with SEC, FINRA, NFA, CFTC, exchange, and clearinghouse requirements.

Lead design, implementation, and integration of trading systems and client/vendor connectivity (including FIX). Manage end-to-end onboarding, testing, certification, monitoring, and optimization of OMS/EMS, market data, and execution workflows while ensuring regulatory compliance and operational resilience.

Lead communications for Marex's Capital Markets and Clearing businesses in the Americas: develop media, narrative, and thought-leadership strategies; support product launches, strategic milestones, and executive positioning; collaborate across marketing, legal, compliance and business teams; manage media relations and external materials; monitor reputational risk and support crisis communications and regulatory compliance.