DC Network Lead

About the role

The Network Lead is responsible for the operational management and technical support of network infrastructure within a high-density GPU data centre environment. The role covers GPU cluster interconnects, data centre network fabric, management and segmentation networks, network monitoring, troubleshooting, security, capacity management, and coordination of network maintenance activities.

Key responsibilities

• Operate and support high-performance network fabrics used to interconnect GPU compute infrastructure, including InfiniBand and/or RoCE-based environments.
• Manage and monitor network fabric topology, fabric management functions, congestion control, link health, and network performance.
• Monitor network health indicators and link error conditions, identify potential issues, and drive proactive remediation where required.
• Support data centre network architectures, including spine-leaf fabrics, overlay networks, routing, and management network segmentation.
• Support technologies and environments such as EVPN/VXLAN, BGP, OSPF, and related data centre networking technologies.
• Manage network incidents, changes, and problem resolution activities across the GPU platform, including participation in maintenance windows and change governance processes.
• Perform network equipment firmware upgrades, configuration activities, and hardware or connectivity validation.
• Validate network cabling, optics, DAC/AOC connections, and other physical network components to maintain reliable connectivity.
• Coordinate with equipment vendors, OEMs, and technical support teams for hardware failures, complex incidents, and infrastructure maintenance.
• Support the implementation and review of network security policies, segmentation, and access controls in accordance with applicable standards.

About you

• 7–11 years of experience in data centre networking, network engineering, network operations, or related infrastructure environments.
• Strong hands-on experience with high-performance data centre network fabrics supporting GPU, HPC, or similarly demanding compute environments.
• Experience with InfiniBand and/or RoCE-based networking, including fabric operation, monitoring, performance management, and troubleshooting.
• Experience with fabric management, topology management, congestion control, and network performance optimisation.
• Strong understanding of data centre switching and network fabric architecture, including spine-leaf designs.
• Experience with network overlays and data centre technologies such as EVPN/VXLAN.
• Strong knowledge of routing protocols including BGP and OSPF, with exposure to WAN/network connectivity technologies such as MPLS.
• Experience with network segmentation, management networks, and access control implementation.
• Experience with network security and firewall policy management, including enterprise firewall environments.
• Strong packet-level troubleshooting capabilities, including analysis of connectivity, performance, and network errors.