Network Engineer/Network System Engineer/Network Systems Engineer

5 days ago

London, United Kingdom Nscale Full time

Join Nscale as a HPC Systems Engineer
Are you passionate about Data Centre builds and large scale GPU infrastructure projects? Nscale is the GPU cloud engineered for AI. We provide cost-effective, high-performance infrastructure for AI start-ups and large enterprise customers. Nscale enables AI-focused companies to achieve superior results by reducing the complexity of AI development. Our GPU cloud bolsters technical capabilities and directly supports strategic business outcomes, including cost management, rapid innovation, and environmental responsibility.
At Nscale, our Engineering team plays a critical role in driving the delivery of our GPU infrastructure. If you're passionate about datacenter architecture and thrive in high-performance computing environments then please apply.
If you join our team, you’ll be contributing to building the technology that powers the future.
Network engineers at Nscale are responsible for the design, deployment, and ongoing operation of all networking services that underpin both the internal management platform and the customer-facing cloud infrastructure, this includes internet transit, WAN connectivity and DC networking. Designing and optimising InfiniBand and Ethernet network topologies (Fat Tree, Dragonfly, rail-optimized configurations)
Working with deployment teams to ensure cluster builds align with architectural specifications
Automating provisioning, configuration, and operations of multi-vendor HPC hardware and software stacks
Troubleshooting and tuning cluster performance across compute, storage, and interconnect layers
Collaborating with software, infrastructure, and data center teams to ensure seamless integration of HPC environments
Proven experience in InfiniBand networking design and operations, including subnet management, QoS, RDMA, and performance tuning
Experience with high-speed Ethernet networks and associated protocols (e.g., Familiarity with HPC network topologies such as Fat Tree or Dragonfly
Experience creating hardware BOMs, rack layouts, and reference architectures for compute deployments
Strong scripting skills in Python and/or Bash for automation and orchestration
Solid understanding of optics, cabling, and physical layer design considerations for HPC and GPU cluster environments
A collaborative mindset and passion for building high-performance, scalable infrastructure
Please Note: This role will require 20-30% travel to our European sites.
We're building something extraordinary, and we want you at the core.
Join the fastest-growing tech startup, your chance to push boundaries, collaborate with brilliant minds, and make your mark on cutting-edge AI. ✨
Expect a dynamic progression plan tailored to your ambitions. Our flexible workplace trusts Nscalers to deliver, giving you the autonomy to shape your day around life's moments.
Join our thriving remote-first team . We build seamless virtual collaboration, empowering you, wherever you work.
We strongly encourage applications from people of colour, the LGBTQ+ community, people with disabilities, neurodivergent people, parents, carers, and people from lower socio-economic backgrounds.
For information on how Nscale handles candidate personal data, please see our Employee & Candidate Privacy Notice: Here.

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