Full job descriptionJoin a leading independent technology and services provider as an AI/HPC Consultant!

Job Overview:
An exciting opportunity has arisen to join Computacenter’s consultancy practice, helping enterprise customers design and deliver cutting-edge NVIDIA-based AI and HPC infrastructure solutions. This role focuses on high-performance networking, AI cluster architecture, InfiniBand, Spectrum-X, RoCEv2, and physical infrastructure design across GPU-accelerated environments. Working closely with customers, vendors and internal stakeholders, you will provide technical leadership across architecture, design assurance and infrastructure optimisation.

* Location: Fully Remote (with occasional customer/vendor engagement)
* Daily Rate: Negotiable (Inside IR35)
* Contract Length: Until 31/12/2026
* Start Date: ASAP / Immediate Start

Key Responsibilities:
* Design High-Level and Low-Level Designs (HLDs/LLDs) for NVIDIA AI/HPC infrastructure, including GB300, B300, DGX, HGX and NVL72 environments.
* Design and validate InfiniBand backend fabrics, Spectrum-X front-end networks and Spectrum-X Ethernet backends.
* Provide technical expertise across RoCEv2, InfiniBand, VXLAN EVPN, BGP, leaf-spine architectures and high-performance networking.
* Create, review and optimise Bills of Material (BoMs) covering switches, optics, fibre assemblies, DAC/ACC/AEC cabling, adapters, DPUs and licensing.
* Run customer discovery workshops, requirements gathering sessions, architecture governance reviews and technical design discussions.
* Produce diagrams, port maps, cable matrices, design documentation and implementation guidance.
* Act as a technical lead, collaborating with customers, vendors, consultants, pre-sales teams and delivery stakeholders.

Key Requirements:
* Strong Network Architecture or Data Centre Networking background with experience in HPC, AI Infrastructure or low-latency network fabrics.
* Hands-on experience with InfiniBand, RoCEv2, Spectrum-X Ethernet, congestion management and lossless Ethernet technologies.
* Strong understanding of VXLAN EVPN, BGP, leaf-spine design, routing, resiliency and modern data centre networking principles.
* Practical knowledge of optical and copper connectivity including SMF/MMF, MPO/MTP, DAC, AEC/ACC, QSFP, QSFP-DD, OSFP and related technologies.
* Experience interpreting NVIDIA reference architectures and translating them into customer-ready designs and commercially accurate Bills of Material.
*Strong stakeholder engagement, consultancy and technical documentation skills.

Additional Information:
* Experience with NVIDIA DGX, HGX, GB300, B300, NVL72, ConnectX and BlueField/SuperNIC technologies is highly desirable.
* Knowledge of physical infrastructure design including rack layouts, switch placement, cabling strategy, cooling and power considerations is preferred.
* Exposure to liquid cooling, storage integration, management fabrics and out-of-band networking is beneficial.
* Relevant certifications such as Cisco CCNP/CCIE, NVIDIA Networking, Arista, Juniper, HPE or equivalent are desirable.
* Experience within Consultancy, Professional Services, Technical Architecture or Pre-Sales environments would be advantageous.

Interview Process:
*Online Interview via MS Teams.

How to Apply:
If you’re interested in this role, click ’Apply Now’ to forward an up-to-date copy of your CV, or call us now. If this job isn’t quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career.
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