Capital Markets COO Team - Business Management - Associate/VP

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.

Role Summary

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.

Responsibilities

• Business Management / COO Support: 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 workstreams 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.
• Strategic Projects and Change Delivery: 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.
• Product, Workflow and Operating Model Support: 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.
• Regulatory, Governance and Control: 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 policy‑related matters. Coordinate responses to audits, regulatory reviews and internal governance actions. Support the preparation of governance materials, committee papers and management reporting.
• Stakeholder Management: Build and maintain strong relationships across Front Office, Operations, Technology and Control Functions. Act as a trusted partner to senior stakeholders, balancing commercial objectives with control considerations. Communicate complex topics clearly and effectively to both senior and technical audiences. Drive alignment and consensus across stakeholders to enable effective delivery.

Competencies

• Highly organised, proactive and delivery‑focused.
• Strong ability to operate under pressure and manage competing priorities.
• Commercially aware and solution‑oriented.
• Confident operating with senior stakeholders.
• Able to simplify complex issues and drive practical outcomes.
• Collaborative, but willing to challenge where necessary.

Skills and Experience

• Core Requirements: Demonstrable experience in a COO, Business Management, Chief of Staff, Strategy / Execution, or Programme Delivery role within financial services or a similarly complex, regulated environment. Proven track record of delivering large‑scale, cross‑functional business initiatives from concept through to implementation. Strong stakeholder management skills, with the ability to influence, challenge and align senior stakeholders across multiple functions. Experience coordinating delivery across Front Office, Operations, Technology, Compliance, Legal, Risk and Finance. Strong organisational and execution skills, with the ability to manage multiple priorities and drive outcomes. Understanding of key financial regulations (e.g. MiFID II, Payment Service Regulations). Excellent written and verbal communication skills, including preparation of materials for senior stakeholders and governance forums. Strong judgment, problem‑solving capability and attention to detail.
• Desirable: Exposure to Capital Markets, in particular FX or Payments asset classes. Familiarity with Bilateral OTC FX, FX Prime Brokerage (Principal / Agency), Payments or money movement workflows. FX Product knowledge across Spot, Forwards, NDFs, Options and structured products. Understanding of ISDA / CSA frameworks, CLS, SWIFT or settlement infrastructure. Awareness of relevant regulatory frameworks such as MiFID II and/or PSD.

Conduct Rules

• Act with integrity.
• Act with due skill, care and diligence.
• Be open and cooperative with the FCA, the PRA and other regulators.
• Pay due regard to the interests of customers and treat them fairly.
• Observe proper standard of market conduct.
• Act to deliver good outcomes for retail customers.

Company Values

• Be collaborative.
• Act with integrity.
• Be adaptable and entrepreneurial.
• Be respectful.
• Nurture talent.

Marex is fully committed to being an inclusive employer and providing an inclusive and accessible recruitment process for all. We will provide reasonable adjustments to remove any disadvantage to you being considered for this role. We value the differences that a diverse workforce brings to the company. We welcome applications from candidates returning to the workforce. Also, Marex is committed to avoiding circumstances in which the appearance or possibility of conflicts of interest may exist within the hiring process.