Senior Data Centre Network Engineer - Remote - 12 Months

Senior Data Centre Network Engineer - Remote - 12 Months - Outside IR35

We are seeking a Senior Data Centre Network Engineer to lead the design, build, and evolution of high-performance, scalable data centre networks.

This role is focused on modern spine-leaf architectures, SDN, and automation, supporting large-scale, low-latency environments including cloud platforms, AI workloads, and distributed systems.

Key Responsibilities

• Design and implement spine-leaf data centre network architectures for high availability and scalability
• Lead the adoption and optimisation of Software-Defined Networking (SDN) solutions
• Architect low-latency, high-throughput networks to support AI, cloud, and data-intensive workloads
• Define and enforce network standards, blueprints, and best practices
• Own Layer 2/Layer 3 design, including routing, switching, and segmentation strategies
• Design and optimise east-west traffic flows within large-scale DC environments
• Collaborate with infrastructure, cloud, and platform teams to ensure seamless integration
• Drive network automation using Infrastructure as Code and programmable networking approaches
• Support capacity planning, performance tuning, and network scalability initiatives
• Act as an escalation point for complex network issues and provide technical leadership

Required Experience

• Proven experience designing and operating enterprise or hyperscale data centre networks
• Deep expertise in spine-leaf (Clos) architectures
• Strong experience with SDN technologies (eg ACI, NSX, EVPN/VXLAN)
• Advanced knowledge of Routing protocols (BGP, OSPF, IS-IS)
• Experience with high-performance, low-latency networking environments
• Hands-on experience with network automation (Python, Ansible, Terraform, APIs)
• Strong understanding of network security, segmentation, and microsegmentation
• Experience working in mission-critical/24x7 environments

The offer

• Day Rate: ~£500/day (Outside IR35)
• Length: 12 Months (Extension Potential)
• Start: ASAP
• Location: Fully Remote