Artificial Intelligence Consultant

AI/HPC Network Consultant Location: Home-based (UK) Contract until 31/12/2026 Help Design the Next Generation of AI Infrastructure We are seeking an experienced AI/HPC Network Consultant to design and validate cutting-edge, NVIDIA-based AI infrastructure solutions. Working across large-scale GPU deployments, you'll provide expertise in high-performance networking, physical connectivity, architecture assurance and bill-of-materials optimisation. This role is ideal for a networking consultant or architect with strong experience in AI/HPC fabrics, InfiniBand, RoCEv2, Spectrum-X Ethernet and modern data centre networking . What You'll Do * Design NVIDIA AI/HPC platforms including GB300, B300, DGX, HGX and NVL72 environments. * Develop high and low-level designs for InfiniBand and Spectrum-X networking fabrics. * Provide technical expertise across RoCEv2, VXLAN EVPN, leaf-spine architectures, congestion management and multi-plane fabrics. * Create, review and optimise Bills of Material covering switches, optics, cabling, adapters and related infrastructure. * Support customer workshops, technical discovery activities and architecture governance reviews. * Identify cost and implementation efficiencies while ensuring alignment to NVIDIA reference architectures. * Work closely with customers, vendors, pre-sales and delivery teams to ensure designs are practical, scalable and commercially sound. What We're Looking For * Proven experience in data centre networking, AI infrastructure, HPC environments or low-latency fabric design. * Strong knowledge of InfiniBand, RoCEv2, Spectrum-X Ethernet, VXLAN EVPN, BGP and leaf-spine architectures . * Experience designing and validating physical connectivity, structured cabling and high-density data centre environments. * Understanding of optics and cabling technologies including MMF, SMF, DAC, AEC/ACC, MPO/MTP and QSFP/OSFP form factors. * Excellent customer-facing communication and technical documentation skills. * NVIDIA, Cisco, Juniper, Arista or equivalent certifications are desirable * Experience with liquid-cooled environments, AI storage platforms or network automation tools * Consultancy, professional services or pre-sales architecture experience. Candidates with strong networking expertise and a passion for AI technologies are encouraged to apply.