Senior Front-End Network Engineer, AI Infrastructure

Nscale; San Francisco (CA); On-site; USD 200,000 - 260,000; Full time

Benefits offered by this job

Medical, dental, vision coverage

Flexible paid time off

Parental leave

Retirement plan

Job summary

Nscale, a GPU cloud for AI, seeks a Senior Principal Front End Network Engineer – AI Infrastructure to lead reliability, scalability, and evolution of our high-performance Ethernet front-end networks powering inference, management, and storage for large AI clusters.

You will guide architecture across Nvidia Cumulus, Arista EOS, and Nokia platforms, mentor engineers, and drive incidents, capacity, observability, and operational maturity.

Qualifications

• 12+ years of network engineering in hyperscale data centers, cloud, or AI infrastructure.
• Expert-level experience with large-scale Ethernet fabrics (leaf-spine/Clos).
• Hands-on with Nvidia Cumulus, Arista EOS/Etherlink and Nokia platforms in production at scale.
• Deep understanding of modern data center routing and control planes (BGP, OSPF, ECMP, EVPN-VXLAN).
• Ability to lead complex technical initiatives across teams without direct authority.

Responsibilities

• Owning the technical direction and operational strategy for Nscale’s front-end AI infrastructure networks at the highest level.
• Designing, reviewing, and evolving large-scale Ethernet leaf-spine / Clos fabric architectures to support future growth, inference workloads, and storage requirements.
• Acting as the senior-most escalation point for the most complex front-end network incidents, guiding deep technical investigations and systemic fixes.
• Driving cross-team and cross-functional initiatives to improve fabric reliability, performance predictability, observability, and operational maturity at scale.
• Defining standards for hardware configuration, routing, congestion management, firmware lifecycle management, automation, and change safety across Nvidia Cumulus, Arista EOS and Nokia platforms.
• Partnering with SRE, Compute Platform, Storage, and Network Architecture teams to influence end-to-end system design, including long-haul/DCI circuits and storage network integration.
• Mentoring senior and principal-level network engineers, raising the bar for operational rigor and technical excellence across the organization.
• Driving measurable improvements in uptime, latency consistency, capacity efficiency, and incident reduction for front-end services.

Skills

Networking expertise

Hyperscale data center

Cloud infrastructure

Leadership

Automation tooling

Tools

Nvidia Cumulus

Arista EOS/Etherlink

Nokia platforms (7220 IXR, 7250 IXR, 7750 SR)

Job description

Nscale, a GPU cloud for AI, seeks a Senior Principal Front End Network Engineer – AI Infrastructure to lead reliability, scalability, and evolution of our high-performance Ethernet front-end networks powering inference, management, and storage for large AI clusters.

You will guide architecture across Nvidia Cumulus, Arista EOS, and Nokia platforms, mentor engineers, and drive incidents, capacity, observability, and operational maturity.