Senior Network Engineer

About the role

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.

At Nscale, our Engineering team plays a critical role in driving the deployment and subsequent management of our infrastructure and software platforms.

We thrive on a culture of relentless innovation, ownership, and accountability, where every team member takes pride in their work and drives it with excellence and urgency. As an Nscaler, you’ll build trust through openness and transparency, where everyone is inspired to do their best work. If you join our team, you’ll be contributing to building the technology that powers the future.

About the Role (Job Purpose)

The Network Engineering Team is responsible for the design, deployment, and ongoing operation of all front-end networking services that underpin both the internal management platform and the customer-facing cloud infrastructure. This includes high-speed Ethernet data center fabrics, internet transit, WAN/long-haul connectivity, and data center networking. The team acts as a 3rd/4th line escalation point for the support organization.

What You’ll Be Doing (Responsibilities)

- Designing, deploying, and operating high-speed Ethernet-based front-end networks (data centre fabrics, management networks, inference traffic paths, and storage connectivity)

- Working with deployment teams to ensure BOMs are correct and fit for purpose, with strong focus on optics, cabling, and hardware selection

- Providing input into DC layout, rack elevations, and reference architectures to ensure front-end networks are implemented correctly and scalably

- Troubleshooting performance and connectivity issues on Ethernet front-end networks, including routing, optics, and long-haul circuits

- Automating the deployment, initial stand-up, and day-to-day operations of multi-vendor Ethernet hardware and platforms

- Designing, implementing, and supporting WAN and long-haul infrastructure (including carrier circuits, DCI, and internet transit)

- Collaborating with Architecture and Operations teams to maintain high reliability, observability, and operational efficiency across front-end networks

About You (Skills / Qualifications / Experience)

- Proven experience in designing, deploying, and operating high-speed Ethernet networks, including technologies such as VLAN, LACP, MLAG, BGP, OSPF, EVPN, and VXLAN

- Strong knowledge of WAN and long-haul technologies, including MPLS, BGP, IPsec, GRE, SD-WAN, carrier Ethernet, and associated routing protocols

- Solid understanding of data centre networking topologies and best practices for front-end / infrastructure networks