Network Manager

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 3,000 employees across Europe, Asia and the Americas.

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Position Reference: VN2825

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 advantages, 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.

The Technology Department delivers differentiation, scalability and security for the business. Technology provides digital tools, software services and infrastructure globally to all business groups. Software development and support teams work in agile ‘streams’ aligned to specific business areas. Our other teams work enterprise-wide to provide critical services including our global service desk, network and system infrastructure, IT operations, security, enterprise architecture and design.

With our Technology area, the Network Team is responsible for the overall IT network of the company. The Network Team is central to the success of the organisation and works with our IT teams across the globe to monitor and maintain the network systems to ensure maximum uptime and service delivery to the business.

The network team is responsible for designing, building, and operating our global network infrastructure that connects our offices, data centres, cloud environments, and remote users. They ensure secure, reliable, and high-performing connectivity to support the needs of our rapidly growing business.

We re looking for an experienced Network Manager to lead our network team. This role combines hands-on leadership with strategic direction, overseeing the stability, performance, and evolution of our enterprise network. You ll be responsible for running a reliable and secure global network, while also driving the adoption of modern solutions and using automation and AI. You ll lead a globally distributed team, support acquisition integrations, and help ensure that our infrastructure scales with the business.

You ll have real impact, clear responsibility, and the chance to modernise how networking is done across our global footprint.

Role specific:

• Lead a global team of network engineers, providing direction, mentorship, and performance management.
• Own the end-to-end operation and stability of the global enterprise network, across data centres, cloud, offices and remote users.
• Develop and implement strategies to ensure high network availability, reliability, and performance.
• Oversee and optimise network operations, including incident response, change management, monitoring, and proactive maintenance.
• Architect and maintain a scalable, secure, and modern network.
• Improve observability by leveraging tools for performance monitoring, fault detection, and root cause analysis.
• Collaborate closely with security and infrastructure teams to ensure alignment and integration across platforms.
• Contribute to capacity planning, scalability initiatives, and disaster recovery strategies to ensure future-proof infrastructure.
• Support M&A integrations, including discovery, planning, and execution of network consolidation and onboarding strategies for newly acquired companies.
• Standardise network tools, policies, and configurations across acquired entities to…