Jobs at Marex

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.

Reviews payment and ongoing screening alerts for sanctions, AML, CTF, PEP, adverse media and other financial crime risks. Investigates client, counterparty and transaction information, determines alert dispositions, documents evidence-based rationales, escalates potential risks, supports payment hold or release decisions, maintains audit trails, and contributes to quality assurance, control testing, remediation and process improvements.

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 Marex’s enterprise Quality Engineering and Assurance capability in a regulated financial-services environment. Owns the risk-based quality framework, testing standards, quality gates, traceability, evidence, and assurance model. Drives adoption of automation-first, continuous, AI-augmented testing integrated with CI/CD, while providing independent challenge and governance. Partners with engineering, security, risk, compliance, and architecture teams to improve operational readiness, control effectiveness, auditability, and technology delivery outcomes.

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.

Supports business change projects across the Clearing business, coordinating plans, deliverables, risks, costs, resources, dependencies, stakeholders, and implementation activities. Owns smaller projects and workstreams, facilitates status reviews, tracks actions, manages business adoption, supports portfolio reporting, and helps ensure sustainable transition to business-as-usual. The role also contributes to project management knowledge sharing and operates within financial-services regulatory and risk requirements.

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.

Develop centralized automated datasets, analytical models, dashboards, and reporting solutions for business teams and senior management. Analyze complex financial data, resolve data-quality issues, improve processes, and support AI deployment. Partner with data engineers and stakeholders to define target-state data requirements, automate business processes, enhance scalability, and solve commercial challenges within a regulated financial-services environment.

Develops and maintains centralized financial datasets supporting management P&L, balance sheet substantiation, statutory reporting, and AI-enabled finance tools. Builds reconciliations to the general ledger, partners with data engineering and IT teams, leads UAT, documents datasets and tools, trains Finance users, and supports migration to IT-owned platforms. The role requires strong regulated-finance experience, advanced Excel skills, control expertise, and familiarity with financial products and data-manipulation tools.

Lead design and delivery of enterprise-scale data ingestion, orchestration, and provisioning solutions. Build trusted, governed data products and event-driven integration capabilities (APIs, Kafka), ensure data quality, observability, CI/CD, and operational resilience, and provide technical leadership across platform, application, and business teams to support analytics, regulatory reporting, ML/AI, and operational systems.

Grow Marex Solutions’ EMEA OTC agricultural derivatives business from London by covering existing clients, developing new relationships, generating revenue, and identifying cross-selling opportunities. The role involves client onboarding, product development, collaboration with Trading and internal stakeholders, regulatory compliance under FCA requirements, and contributing to sales strategy and risk management.

Lead business analysis for strategic change, acquisitions and integrations. Elicit, validate and document requirements, map current and target-state processes and operating models, support UAT and solution validation, facilitate stakeholder workshops, maintain BA standards and reusable artefacts to ensure effective delivery and operational readiness.