Capital Markets COO Team - Business Management - Associate​/VP

Capital Markets COO Team - Business Management - Associate/VP

London, GB

Capital Markets

Full-Time

Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to clients across energy, commodities and financial markets. The group provides comprehensive breadth and depth of coverage across four core services: clearing, agency and execution, market making, and hedging and investment solutions. With a leading franchise in many major metals, energy and agricultural products, and access to 60 exchanges, the group serves some of the largest commodity producers, consumers and traders, banks, hedge funds and asset managers.

With more than 40 offices worldwide, Marex has over 2,300 employees across Europe, Asia and the Americas.

Marex is seeking a high‑calibre Capital Markets COO / Business Management professional to support the strategic development and governance of its Capital Markets business. This front‑office aligned role will work closely with Sales, Trading, Support and Control Functions, Senior Management and key infrastructure teams to drive business growth, strategic delivery, operational efficiency and regulatory readiness across the Capital Markets platform. A primary focus is to lead and coordinate complex, cross‑functional commercial initiatives, requiring strong stakeholder management, the ability to influence senior audiences, and a proven track record of delivering large‑scale business change.

While experience in FX or Payments is beneficial, the role suits someone who can navigate complexity, align stakeholders and execute effectively in a regulated environment. This is a hands‑on role for someone comfortable operating in a fast‑paced environment and able to juggle project execution and day‑to‑day business management.

• Support the Capital Markets COO and senior business heads in the day‑to‑day management and strategic development of the business.
• Drive and coordinate key business initiatives across Capital Markets, from initial concept through to delivery and implementation.
• Act as a central point of coordination across Front Office, Operations, Technology, Legal, Compliance, Risk and Finance.
• Track and manage business priorities, strategic work streams and change initiatives, ensuring clear ownership, governance and timely execution.
• Prepare high‑quality materials for senior management, governance forums and executive stakeholders.
• Support development of scalable operating models, governance frameworks and management information.
• Ensure clear escalation and resolution of issues, risks and dependencies.

• Lead or support large, business‑critical initiatives, including new business launches, capability buildouts and regulatory‑driven change.
• Define project scope, operating models, milestones and delivery plans across multiple stakeholders.
• Drive execution across complex, cross‑functional programmes with competing priorities and dependencies.
• Ensure delivery is underpinned by strong governance, clear accountability and effective stakeholder communication.
• Influence and align stakeholders across business, infrastructure and control functions to achieve agreed outcomes.
• Support initiatives spanning product expansion, market entry, infrastructure development and process transformation.

• Work closely with front office and infrastructure teams to understand and support business activities and workflows.
• Develop a practical understanding of front‑to‑back processes, operating models, and control frameworks.
• Support new product, new market and new workflow assessments, including process mapping, control considerations and implementation readiness.
• Identify opportunities to improve efficiency, scalability and control across business processes.

• Support the business in maintaining a strong governance and control environment aligned with regulatory expectations.
• Partner with Compliance, Legal, Risk and Finance on governance, regulatory and…