Capital Markets COO - Equities Business Manager

About Marex

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. It has a leading franchise in many major metals, energy and agricultural products, with access to 60 exchanges. The group provides access to the world’s major commodity markets, covering a broad range of clients that include some of the largest commodity producers, consumers and traders, banks, hedge funds and asset managers. With more than 40 offices worldwide, the group has over 2,300 employees across Europe, Asia and the Americas.

For more information visit https://www.marex.com/

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.

A primary focus of the role 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 Equities is beneficial, the role is suited to 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.

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 Equities 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, 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, Basel, SEC/CFTC requirements, market structure reforms

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, particularly the Equities asset classes.
• Familiarity with:

• Cash Equities, (principal / agency / algorithmic execution)
• Equity Derivatives (listed / OTC)
• Corporate Advisory / Services (IPOs / bookbuilding / corporate access / issuances / research)

• Wider Capital Market product knowledge across Rates, Credit, FX
• Understanding of trading flows and settlement infrastructure.
• Awareness of relevant regulatory frameworks such as MiFID II

Personal 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.

Conduct Rules

You must:

• 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 - by working together across the organisation, we foster teamwork, can better respond to challenges and successfully deliver for our clients

Act with integrity - we pride ourselves on our honesty and high ethical standards. We apply these values when working with all our clients, colleagues and other stakeholders

Be adaptable and entrepreneurial - we embrace change as markets evolve to constantly increase our efficiency and create innovative solutions for our clients. We are interested in the world around us and inquisitive about understanding the challenges and opportunities our clients face.

Be respectful – how we treat each other, and our clients says everything about who we are. We always act respectfully and treat people fairly in everything we do.

Nurture talent – we aim to grow our own talent and make Marex the place ambitious, hardworking and talented people choose to build their career. This means giving and taking stretch opportunities, taking risks, and committing to career development and support – for ourselves, and our teams.

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.

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