Treasury Operations Control Manager

Job title: Treasury Operations Control Manager

About the Role The Treasury Operations Control Manager at Marex will own core systems, bank portal administration, and internal controls within Treasury Operations, supporting broader securities settlements and cash management processes. You will partner with the Head of Treasury Operations and Deputy Manager for EMEA to ensure governance, audit readiness, process optimization and timely execution of key activities, maintaining a high standard of operational discipline across the team.

What You'll Do

• Administer user access, entitlements and segregation-of-duties controls across bank portals and treasury systems; perform periodic access reviews, signature list updates, mandate controls and monitor system administration changes; support system enhancements, UAT, incident tracking, documentation and release management; maintain up-to-date process notes, access matrices and system workflows.
• Maintain the control framework for cash positioning and liquidity reporting; ensure strong controls, documentation and reconciliations across cash and liquidity workflows; oversee policy adherence, approvals and limit checks for FX and cash placement activities; maintain oversight of interest calculation processes and validation controls.
• Understand and assist in reconciliation processes for Nostro, broker/exchange and securities cash accounts by supporting control checks, documentation and issue follow-up; understand the flow of data between systems and GL and assist in escalating breaks, data quality issues or system discrepancies to the appropriate teams.
• Support Financial Control and Legal Entity Controllers in substantiating treasury-related balance sheet accounts through data preparation, variance analysis and control evidence gathering.
• Maintain Treasury's control framework and ensure operational controls are executed in line with policies and procedures; coordinate SOX testing, internal audit requests and documentation updates; track remediation activities, issues and incident reporting through to close-out; ensure compliance with regulatory frameworks including KYC, payment controls, sanctions-related processes (in coordination with Compliance).
• Prepare operational reporting packs, control dashboards, KPIs and metrics for management; manage operational incidents, root-cause analysis and corrective action tracking.
• Contribute to impact assessments for new proposals affecting Treasury operations; partner with the Treasury Operations Change team to identify opportunities to automate, streamline or standardise Treasury processes, and deliver system upgrades, new banking integrations and strategic Treasury projects; partner with the wider Finance team, Technology, Risk and Operations to deliver end-to-end improvements; contribute ideas and guidance for junior staff on best practices.

What We're Looking For

• Previous experience in a Treasury function or similar operational environment; cash management, Treasury systems or banking operations experience preferred.
• Proficiency with bank portals, electronic banking systems, and ideally a Treasury Management System.
• Strong understanding of operational controls, SOX and audit frameworks.
• Detail-oriented, control-minded and capable of operating in a fast-paced environment; strong analytical, organisational and stakeholder management skills.
• Ability to identify process inefficiencies and deliver robust, scalable improvements, partnering effectively with technology and data teams.
• Strong Excel, reporting and documentation skills; leadership and collaboration skills, with ability to work with front-office and support functions.
• Experience working in a regulated environment and knowledge of risk and compliance requirements.

Nice to Have

• Experience in Sarbanes-Oxley control ownership roles.
• Familiarity with data reconciliation across Nostro, broker/exchange and securities cash accounts.