Jobs at Marex

Support client onboarding and ongoing clearing services for wholesale clients. Manage KYC, project-manage onboardings from engagement to go-live, ensure exchange and order-routing access, handle risk/treasury issues, produce client reports, improve processes, and coordinate with sales, ops, IT and compliance to meet regulatory and commercial requirements.

Manage and monitor counterparty exposures and market risk for Marex Solutions across OTC, structured and exotic derivatives. Evaluate derivative structures, enforce risk and limit frameworks, assess new products, partner with trading/structuring/validation/finance, deliver governance and reporting, and ensure regulatory compliance including stress testing and capital requirements.

Prepare and analyse cost accounting records, including complex month-end journals, accruals, prepayments and reconciliations. Investigate cost variances, support audits, address cost queries, assist transfer pricing recharges, and drive process improvements and automation through collaboration with Procurement, Market Data, Legal and Accounts Payable.

Support product control across equities, commodities, crypto, FX, and derivatives by producing daily P&L, analyzing funding and risk-based P&L, calculating fair value adjustments, and reconciling front-office trades and cash flows. The intern will help strengthen controls, support SOX and audit activities, identify risk gaps, and deliver process automation and finance transformation initiatives while collaborating with Trading, Operations, Risk, Legal, and Management.

Provide first-line technical support to London-based business users, resolving hardware, software, and system issues. Manage JIRA incidents and service requests, escalate complex tickets, support Microsoft technologies, maintain technical documentation, and follow ITIL and SLA processes. The role includes shift work from 6 a.m. to 7 p.m., an on-call rota, occasional weekend project work, and strong customer service and communication responsibilities.

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.

Provides second- and third-line support for enterprise applications and AWS-hosted infrastructure. Responsibilities include incident and outage management, REST API and microservices support, CI/CD releases, system analysis and implementation, documentation, change governance, and collaboration with engineering, infrastructure, service desk, and business teams. The role requires shift and on-call support, independent troubleshooting, monitoring expertise, ITIL knowledge, and financial-services experience.

Monitor and report firm positions (VaR, sensitivities, stress tests); define and enforce risk measures and limits; analyze P&L drivers, market volatility and liquidity; support commodity product coverage; engage with traders, sales, validation and finance; ensure governance and regulatory compliance.

Responsible for maintaining and enhancing the CASS Governance Framework, interpreting FCA CASS regulation (notably CASS 7), leading incident resolution, CMAR reporting and client money reconciliations, providing technical CASS support and training, challenging CASS risks and auditor/client interpretations, authoring policy and MI/KPIs, and acting as senior CASS contact for auditors, clients and regulators.

Design, implement and support front-office trading applications for the Derivatives Engine, focusing on hedging, risk management, pricing and ad-hoc trading tools. Work closely with traders, quants and technology to translate requirements into production-quality Python solutions, ensure testing and support plans, and help hand over tactical tools to central technology teams.

Design, configure and deliver end-to-end Salesforce solutions: data models, automation, security, reports and dashboards. Translate requirements into functional designs and user stories, run workshops, manage vendors, support full delivery lifecycle, provide administration/data management, enforce governance, and offer post-go-live support and continuous improvement.

Lead product and commercial strategy for FX and Payments within Capital Markets, coordinate cross-functional initiatives, drive strategic projects and governance, manage stakeholder alignment, and ensure regulatory readiness and operational control across front-to-back processes.

Provide middle office support for Financial Futures and Equity Derivatives: reconcile trades, manage lifecycles, handle confirmations and client statements, validate volumes and P&L, ensure regulatory reporting and controls, onboard execution clients, troubleshoot connectivity, collaborate with brokers, finance, risk, compliance and technology, and drive process improvements and automation.

Design, build and maintain infrastructure automation using PowerShell, Python, Terraform and Ansible; create BitBucket CI/CD pipelines; apply SRE principles for observability and reliability across Office 365, VMware, AWS and Azure; mentor peers, participate in on-call rotations, and embed security and governance into automation workflows.

Provide second- and third-line application support for front-office and post-trade systems used in energy and commodities trading. Manage incidents, vendor upgrades, onboarding, ITIL-based change processes, documentation, exchange reporting and compliance, and identify process improvements while liaising with business stakeholders, development teams and infrastructure.

Senior full-stack developer responsible for designing, building, testing and supporting secure, production-ready post-trade web platforms using C# .NET and Node.js, applying AI-assisted development practices while ensuring traceability, auditability and regulatory compliance.

Lead business management and COO support for Capital Markets Equities: coordinate cross-functional strategic initiatives, governance, regulatory readiness, and delivery. Drive project scope, operating models, stakeholder alignment, control frameworks, and management reporting while supporting new product/market launches and audit/regulatory responses.

Provide first-line support for electronic trading and front-office operations: troubleshoot production issues, maintain trading static data, monitor connections, run start/end-of-day checks, liaise with traders, exchanges, Compliance, Risk and IT, and support projects to improve controls, reporting and trading platform stability.

Lead operational management for Marex Solutions Sales, driving strategic sales initiatives, product launches, automation, MI/KPIs, cost control and regulatory compliance. Manage a team, coordinate across Front Office and Control/Support functions, deliver projects from planning to execution, and support IT/platform strategy to enable sustainable growth of structured products and OTC derivatives offerings.

Work with Risk and Technology to identify, ingest and govern risk datasets into the firm's Data Platform. Document lineage, quality rules and ownership; automate validation and reconciliations; build and maintain Power BI reports and analytical models; translate risk business needs into data requirements and support risk-related technology projects and governance.