Network Engineer

About Nscale

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.

The Network Engineering Team is 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. They act as a 3/4th line escalation point for the support organisation.

• Designing, deploying and operating high speed Ethernet based networks
• Designing, deploying and operating high speed Infiniband networks
• Working with deployment teams to ensure BOMs are correct and fit for purpose
• Providing input into DC layout and Rack elevations, to ensure our Reference Architectures are implemented correctly
• Troubleshooting performance issues on both Ethernet and Infiniband networks
• Automating the deployment and initial standup of multiple vendors hardware
• Automating the day to operations of multiple vendors hardware
• Designing, implementing and supporting our WAN infrastructure

• Proven experience in designing, deploying, and operating high-speed Ethernet networks, including VLAN, LACP, MLAG, BGP, OSPF, EVPN, and VXLAN.
• Proven experience in designing, deploying, and operating Infini Band networking, including configuration, performance tuning, and troubleshooting (e.g., Subnet Managers, QoS, RDMA).
• Strong knowledge of WAN technologies including MPLS, BGP, IPSec, GRE, SD-WAN, and associated routing protocols.
• Knowledge of HPC networking topologies. Fat Tree, Rail
• Strong Python or Bash
• Strong Optics and hardware knowledge to assist with BOM design
• Equal Opportunities Statement

At Nscale, we are committed to fostering an inclusive, diverse, and equitable workplace. We believe that a variety of perspectives enriches our work environment, and we encourage applications from candidates of all backgrounds, experiences, and abilities. 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. If there’s anything we can do to accommodate your specific situation, please let us know.

For information on how Nscale handles candidate personal data, please see our Employee & Candidate Privacy Notice:
Here.