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Senior Network Engineer - HPC/ AI/ GPU

Senior Network Engineer - HPC/ AI/ GPU

Hybrid

London, United kingdom

£ 100 /hour

Freelance

07-05-2025

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Expired

Job Specifications

Senior Network Engineer | HPC/ AI Infrastructure |

Outside IR35
6 month contract
Based London

Help build the ultra-fast network backbone behind next-generation AI.

As a Senior Network Engineer, you’ll architect, deploy, and operate the ultra-low-latency network fabric that powers our GPU clusters. You'll work closely with our Systems, DevOps, and AI Platform teams to design fault-tolerant, high-throughput networks tailored for cutting-edge machine learning workloads.

What you’ll do:
Design and scale leaf-spine fabrics with Mellanox + Cumulus
Deploy and manage Juniper PTX routers and SRX firewalls
Automate infrastructure with Ansible and Python
Monitor and tune networks for high-volume AI workloads
Own incident response and drive root-cause analysis

What you’ll bring:
3–5+ years in HPC "High performance computing" OR AI networking, supporting GPU clusters
Deep knowledge of BGP, EVPN, VXLAN, MPLS
Hands-on with Mellanox switches, Cumulus Linux, and Juniper
Strong Linux CLI and network automation skills (Ansible, Python)

Bonus if you have:
JNCIE/CCIE, hybrid cloud networking (AWS/Azure), and experience with network telemetry

If that sounds like you please connect.

About the Company

What makes us different? Well our company background is in IT Managed Services, and our business is owned and run by experienced technical IT professionals so this gives us a unique insight into the IT recruitment market, allowing us to locate and deploy the very best candidates not only to fit the job, but also to fit the culture of your business. Our specialist team of Account Managers, Recruitment Consultants and Resourcers is experienced in both permanent and contract recruitment, working with companies from small local... Know more