Principal 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.

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.

Role Overview:

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 tier-3 line escalation point for the support organization.

What You’ll Be Doing (Responsibilities)

• Designing, deploying and operating high-speed Ethernet-based 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


• Automating the deployment and initial standup of multiple vendors' hardware


• Automating the day-to-day operations of multiple vendors' hardware


• Designing, implementing and supporting our WAN infrastructure


• On call rotation

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 technologies, including MPLS, BGP, IPSec, GRE, SD-WAN, and associated routing protocols.


• Knowledge of HPC networking topologies, such as Fat Tree and Rail.


• Strong proficiency in Python or Bash scripting


• Strong Optics and hardware knowledge to assist with BOM design

What We’re Looking For

• 8–10+ years of experience in a networking and infrastructure role


• Experience delivering large-scale WAN, telecom, or data center programs (e.g., BGP, routing, capacity planning, fibre, peering)


• Background working with cross-functional technical teams

• Ability to work effectively with network engineers and external vendors


• Execution excellence with proven ability to deliver complex projects


• Strong planning, risk management, and dependency tracking skills


• Vendor management experience working with carriers, ISPs, or infrastructure vendors.


• Strong stakeholder management and executive communication skills

What We Can Offer You

At Nscale, you'll find a collaborative, supportive, and innovative environment where your contributions spark real impact. We're building something extraordinary, and we want you at the core.

• Highly competitive package (base + equity) with reviews every 12 months. 


• 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. Grow by trying new things, leading, challenging the status quo, and owning your impact, always with our full support. 


• Human-First Flexibility: We treat you as humans first. 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. Geography is no barrier to impact or connection. We build seamless virtual collaboration, empowering you, wherever you work.

Equal Opportunities Statement

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.

The responsibilities outlined in this job description are not exhaustive and are intended to provide a general overview of the position. The employee may be required to perform additional duties, tasks, and responsibilities as assigned by management, consistent with the skills and qualifications required for the role.thing 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.

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