IT & Market Data Administrator (VN3124)
Marex · London, GB · United Kingdom · On-site
Posted Oct 5, 2026
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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/
The Supplier Contracts Team administrates Marex’s Technology Expense Management system, Calero, ensuring accurate capture of contractual information and associated cost allocations. This enables us to facilitate timely reconciliation of invoices across recurring Technology spend (IT, Telecoms, Market Data, etc.) plus detailed reporting of costs at individual and enterprise level.
The Market Data and IT Administrator, will be responsible for adding and updating inventory records and reconciling invoices against the inventory, investigating and validating variances and confirming allocations in order to prepare the invoice for onward processing by Accounts Payable. The role also requires some data analysis and management of supplier and internal stakeholder relationships.
Responsibilities:
Inventory Management: • Maintain Calero’s MDM and TEM modules to ensure it has accurate records for contracts, associated services, allocations and users. • Prepare, verify and distribute monthly and ad-hoc business reporting. • Support finance with accruals and prepayment management. • Upload vendor permission files and support exchange declaration processes. • Continuously review and audit existing processes to ensure effective performance and compliance with mutually agreed requirements and control procedures.
Invoice Management • Reconcile invoices within Calero database. • Ensure cost allocations are current, accurate and documented. • Coordinate with internal and external stakeholders to manage exceptions, status updates and general queries.
Order Management: • Operate Market Data license order management and exchange entitlements. • Support the Joiners and Leavers process to ensure inventory is updated and services are added or terminated as required.
Skills & Experience:
• Demonstrable experience in a market data role with strong inventory experience in Calero or similar. • Strong analytical and quantitative skills with proficiency in data analysis tools. (e.g. Excel) • Detail-oriented, brings a high degree of accuracy to data analysis and is proactive in…