Senior Business Analyst - Change Management/M&A

Marex; Greater London; On-site; GBP 65,000 - 90,000; Full time

Job summary

Marex is seeking a Business Analyst to support strategic transformation initiatives within Change Management at Marex. You will contribute to acquisitions integration, document current and target operating models, and collaborate with stakeholders across technology, business, and governance functions to enable effective change delivery.

The role emphasizes structured analysis, clear documentation, and a consistent BA approach to ensure delivery readiness and strong governance across Marex’s

Qualifications

• Mergers and acquisitions experience is strongly preferred.
• Proven BA background across transformation and business change in financial services.
• Ability to document end-to-end operational flows and controls.

Responsibilities

• Support strategic and priority change initiatives, with a strong focus on acquisitions, integration and business change.
• Partner with Programme and Project Managers, sponsors, business stakeholders, technology teams and control functions to shape scope, delivery plans, dependencies, risks and intended outcomes.
• Develop a clear understanding of acquisition scope, strategic rationale, key risks, assumptions and functional impacts to support mobilisation, planning and decision-making.
• Translate due diligence findings into structured gap analysis, requirements, target operating model inputs and planning actions.
• Elicit, analyse and validate requirements, user stories, business rules and acceptance criteria, ensuring they are clear, prioritised, traceable and aligned to delivery needs.
• Facilitate workshops, interviews and playback sessions, including preparing workshop plans, artefact lists, review packs, sign‑off checklists and open‑item trackers.
• Map current‑state and target‑state processes, booking models, trading flows, data flows, system dependencies and integration flows to identify gaps and improvement opportunities.
• Develop target operating model artefacts covering people, process, technology, data, controls, governance, reporting, operational readiness and handover requirements.
• Support solution validation and user acceptance testing, including test scenario development, requirement clarification, defect triage and evidence‑based SME validation.
• Maintain consistent BA standards, templates, documentation practices and reusable artefacts to support governance, audit, knowledge sharing and continuous improvement.

Skills

Mergers & acquisitions support

Business analysis

Process mapping

Requirements gathering

Stakeholder engagement

Tools

Power BI

Microsoft Planner

Job description

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.

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

The Business Analyst supports the successful delivery of strategic and significant change initiatives across the organisation by providing high-quality analysis, structured documentation and clear insight to support decision-making and delivery.

The role contributes to the development and implementation of target operating models, business process documentation, and requirements definition, working closely with Project Execution, business stakeholders, technology teams and control functions.

The Business Analyst helps ensure that business analysis activity is aligned to Change Management standards and supports consistent, practical and effective change delivery across Marex.

Overview Of Marex / Department Description

Marex has unique access across markets with significant share globally both on and off exchange. The depth of knowledge amongst its teams and divisions provides its customers with clear advantage, and its technology-led service provides access to all major exchanges, order-flow management via screen, voice and DMA, plus award-winning data, insights and analytics.

This role sits in the Change Management team within Change & Integration at Marex. It provides Business Analysis support as part of a centre of excellence, applying standardised methodologies to document current and future business booking models, trading flows and functional processes for prioritised programmes and projects, as agreed by the Global Head of Transformation and Change.

Responsibilities

• Support strategic and priority change initiatives, with a strong focus on acquisitions, integration and business change.
• Partner with Programme and Project Managers, sponsors, business stakeholders, technology teams and control functions to shape scope, delivery plans, dependencies, risks and intended outcomes.
• Develop a clear understanding of acquisition scope, strategic rationale, key risks, assumptions and functional impacts to support mobilisation, planning and decision-making.
• Translate due diligence findings into structured gap analysis, requirements, target operating model inputs and planning actions.
• Elicit, analyse and validate requirements, user stories, business rules and acceptance criteria, ensuring they are clear, prioritised, traceable and aligned to delivery needs.
• Facilitate workshops, interviews and playback sessions, including preparing workshop plans, artefact lists, review packs, sign‑off checklists and open‑item trackers.
• Map current‑state and target‑state processes, booking models, trading flows, data flows, system dependencies and integration flows to identify gaps and improvement opportunities.
• Develop target operating model artefacts covering people, process, technology, data, controls, governance, reporting, operational readiness and handover requirements.
• Support solution validation and user acceptance testing, including test scenario development, requirement clarification, defect triage and evidence‑based SME validation.
• Maintain consistent BA standards, templates, documentation practices and reusable artefacts to support governance, audit, knowledge sharing and continuous improvement.

Competencies

• Strong analytical and problem‑solving capability, with the ability to assess complex business issues, identify root causes and develop practical solutions.
• Advanced business process mapping and modelling skills, including the ability to document current and target states clearly and identify opportunities for improvement.
• Good understanding of target operating models and the ability to translate business change into practical impacts across people, process, technology, data, controls and governance.
• Confident stakeholder engagement skills, with the ability to build relationships, facilitate discussions, influence constructively and align stakeholders across business, technology and control functions.
• Excellent verbal and written communication skills, with the ability to produce clear, structured documentation and present complex information in a concise and accessible way.
• Collaborative and approachable team player who supports a positive working environment and contributes to shared team standards and ways of working.
• Resilient, adaptable and delivery‑focused, able to manage competing priorities and maintain quality in fast‑paced or challenging environments.
• Intellectual curiosity, a continuous improvement mindset and a commitment to developing BA capability and reusable best practice.

Skills and Experience

• Experience in supporting mergers and acquisitions is strongly preferred.
• Proven business analysis background across strategic transformation, operational or business change initiatives within financial services or another regulated environment.
• Good understanding of end‑to‑end operational flows within financial institutions, including front‑to‑back processes, controls, data and reporting considerations.
• Strong capability in defining and validating requirements, user stories, business rules, acceptance criteria and supporting artefacts for delivery, testing and operational readiness.
• Skilled in producing high‑quality BA documentation, including process maps, use cases, impact assessments, gap analyses and target‑state artefacts.
• Confident in supporting solution validation and user acceptance testing, including test scenario development, requirement clarification and defect triage.
• Familiarity with reporting, workflow or portfolio management tools; Power BI, Microsoft Planner or similar tools are desirable.
• Knowledge of risk, compliance and governance requirements relevant to working in a regulated environment.

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 - 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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