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 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.

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.

Role Summary: 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.

Responsibilities:

• 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 meet enterprise.
• Manage the relationships with Network vendors, manage renewals and identify cost/value optimisation initiatives that meet the organisation’s objectives.
• Continuously improve network processes and capabilities through automation, documentation, and cross-functional collaboration.
• Serve as a key escalation point during critical incidents and participate in post-incident reviews with actionable outcomes.
• Project network consultancy for different line of business for new technical network requirements.
• Ensure that network projects are delivered on time and on budget.
• Resource planning and allocation to ensure priorities are met.
• Track and manage the overall Network budget.
• Adhere to the operational risk framework for your role ensuring that all regulatory or company determined parameters are complied with.

Competencies, Skills, Experience & Qualifications:

• Team Management and Leadership Experience (minimum 5 years)
• Previous experience of working in the finance industry
• Proven experience in designing, implementing, and managing large-scale networks
• Strong understanding of cybersecurity principles and practices related to networks
• Project management skills from inception to delivery
• Experience with global rollout of SASE, SSE solutions, Prisma Access, Zscaler
• Cloud network design and implementation, AWS, Azure
• Network automation, Infrastructure-as-code, Ansible
• NextGen Layer 7 firewalling, User-ID, SSL decryption, Network Access Control.
• Relevant product Knowledge and Industry Experience – Palo Alto, Cisco, Arista and Juniper, Aruba (WIFI/Clearpass NAC)
• Understanding of WAN technologies: MPLS, IPSEC VPN, SD-WAN, QOS, NAT
• Routing and Switching protocols: BGP, OSPF, EIGRP, WIFI, VLAN, Multicast
• WAN/Campus LAN network design and implementation
• Internet, Firewall and DMZ design and implementation
• Understanding of different exchange connectivity (e.g. CME, SGX, ICE, Eurex, LME)
• Experience working in a global organisation with distributed teams
• Use Agile methodologies, Scrum or Kanban
• ITIL v4 beneficial

Company Values:

• Respect - Clients are at the heart of our business, with superior execution and superb client service the foundation of the firm.
• Integrity - Doing business the right way is the only way.
• Collaborative - We work in teams - open and direct communication and the willingness to work hard and collaboratively are the basis for effective teamwork.
• Developing our People - Our people are the basis of our competitive advantage.
• Adaptable and Nimble - Our size and flexibility is an advantage.

Marex is fully committed to being an inclusive employer and providing an inclusive and accessible recruitment process for all.