Jobs at Marex

Lead business development and product marketing for Marex’s hedging and investment solutions in Europe. Define market opportunities, competitive positioning, go-to-market strategies, thought leadership, content, digital campaigns, and client events. Partner with sales, product, markets, legal, compliance, vendors, and agencies to grow revenue and market share in derivatives and structured products. Manage marketing performance, budgets, workflows, and scalable operating processes in a regulated financial-services environment.

Validate and develop quantitative pricing, trading, valuation, and risk models across multiple asset classes. Responsibilities include reviewing C++ implementations, testing Python-based models, validating VaR and credit risk methodologies, developing historical datasets, conducting Monte Carlo and sensitivity analyses, calibrating model parameters, assessing complex transactions, and producing technical validation documentation using LaTeX.

Performs daily P&L production and risk-based analysis across multiple asset classes, including funding, sales credits, Greeks, and fair value adjustments. Manages front-office-to-ledger controls, investigates discrepancies, supports SOX compliance and audits, and identifies control weaknesses. The role also contributes to product initiatives, process automation, finance transformation, and reporting improvements while collaborating with Trading, Operations, Risk, Legal, and senior stakeholders.

Senior Legal Counsel advising Marex Solutions on legal and regulatory risks related to OTC derivatives. Responsibilities include structuring products, reviewing new asset classes including crypto, drafting and negotiating trading agreements, advising on disputes and close-outs, assessing cross-border requirements, monitoring regulatory developments, and supporting trading desks and stakeholders globally.

Provides administrative support to multiple senior executives, focusing on business travel, itineraries, expenses, invoices, meetings, events, office logistics, email groups, and onboarding processes. Coordinates vendors and external guests, supports executive team coverage, and maintains accurate, organized operations. Requires proficiency with Microsoft Office, travel and expense platforms, strong organization, communication, problem-solving, attention to detail, and experience working in regulated environments with risk and compliance requirements.

Manage daily P&L reconciliations, balance-sheet substantiation, accounting adjustments, and financial reporting for the Solutions division. Analyze structured-products economics, valuation adjustments, costs, and legal-entity impacts while partnering with Risk, Valuation, Front Office, and Operations. Support FCA compliance, resolve portfolio discrepancies, build trade flows to the general ledger, and lead finance transformation and process-improvement initiatives.

Own and evolve Marex’s design system across tokens, components, patterns, theming, accessibility, documentation, governance, and adoption. Partner with product designers, engineers, brand, and business stakeholders to align Figma and code, identify shared patterns, build implementable components, manage migrations, and establish contribution and release processes. The role also promotes systems thinking, AI-enabled workflows, and consistent user experiences across trading, risk, reporting, and internal platforms.

Supports global business continuity and operational resilience programs in a regulated financial-services environment. Coordinates resilience assessments, continuity-plan reviews, recovery exercises, incident responses, audits, due diligence, regulatory updates, stakeholder training, SharePoint content, and management reporting. Tracks risks, remediation actions, project milestones, and compliance obligations while collaborating with Operational Risk, Technology, Audit, Compliance, business stakeholders, and local resilience coordinators.

Manage Calero technology expense and market data inventory records, reconcile invoices, validate cost allocations, investigate variances, and support accounts payable. Administer market data licenses, exchange entitlements, vendor permission files, and joiner/leaver updates. Prepare reporting, support accruals and prepayments, audit processes, and coordinate with suppliers and internal stakeholders in a regulated environment.

Designs, implements, operates, and maintains Marex’s global network infrastructure. Responsibilities include network consultancy, operational support, security design, troubleshooting, vendor management, cloud networking, automation, infrastructure as code, and reporting. The role supports WAN, campus LAN, firewalls, exchange connectivity, and low-latency networks while ensuring regulatory compliance and operational resilience.

Manages the day-to-day operations of the global Internal Audit function, including audit plan coordination, resource planning, issue tracking, governance reporting, methodology updates, regulatory coordination, quality assurance, TeamMate+ administration, onboarding, cross-functional projects, and budget tracking.

Build and operate cloud and on-premises platforms supporting infrastructure provisioning and application deployment. Develop CI/CD capabilities, improve developer experience, automate workflows with scripting and IaC, and enforce security and governance practices. Collaborate on cloud architecture, support platform users, participate in on-call and maintenance activities, and promote DevOps practices while mentoring junior engineers.

The Security Engineer designs, administers, and improves cybersecurity capabilities, primarily focused on identity protection and privileged access management. Responsibilities include PAM administration, privileged account lifecycle management, credential rotation, secrets and certificate management, access governance, threat detection, automation, incident response, security control monitoring, audit reporting, and collaboration on system hardening and security platform improvements.

Oversee legal entity financial control and reporting for a global regulated financial services group. Responsibilities include preparing financial statements under IFRS, US GAAP, and FRS 102; managing month-end reporting, reconciliations, audits, management reporting, SOX controls, acquisitions, and business changes. The role also reviews balance sheet substantiation, improves processes, supports senior management, and provides guidance and line management to team members.

Leads clearing-business strategy, financial planning, performance management, management information, budgeting, cost discipline, and revenue-growth initiatives. Partners with finance, strategy, operations, treasury, IT, and senior stakeholders on organic and inorganic growth, acquisitions, projects, client profitability, and regulatory compliance. Develops KPIs, financial reports, board materials, investor communications, and three-year plans while supporting sustainable, scalable business performance.

Supports the Solutions COO team in managing a structured-products business, leading strategic and technology-focused initiatives, improving operational processes, automating MI and KPI reporting, managing budgets and costs, delivering platforms, coordinating regulatory projects, and serving as a liaison between business and control functions. The role also mentors junior staff and drives innovation, efficiency, and sustainable business growth.

Supports the Solutions trading and technology platform by delivering strategic and tactical initiatives, improving business processes, and driving automation. Manages project plans, technology change, regulatory coordination, operational risk, budgets, management information, KPIs, and stakeholder relationships. Translates business requirements into technology deliverables, supports derivatives trading capabilities, coordinates with Group Technology, and identifies opportunities to improve efficiency, compliance, profitability, and client solutions.

Leads internal audit planning and delivery across a global financial services organization. Provides assurance to the Board, evaluates risk and controls, develops audit policies, conducts complex financial systems and IT control audits, influences senior management, supervises audit assignments and staff, and supports regulatory compliance across international jurisdictions.

Develop and maintain secure, responsive web applications for front-to-back trading technology. Responsibilities include architecture, coding, testing, documentation, production support, requirements gathering, and legacy-platform migration to the cloud. The role emphasizes C# .NET or React, modern DevOps and CI/CD practices, testing, scalability, security, and maintainability. The developer will collaborate with platform engineers, business users, and agile delivery teams in a regulated financial-services environment.

Lead full-stack development of the Equities market-making and trading platform. Design and implement front-end (React/WPF) and back-end (.NET/C#) systems, drive cloud migration and replatforming, automate CI/CD and testing, mentor and lead teams, act as Scrum Master when needed, and ensure regulatory and risk compliance.