Staff Front-End Network Engineer

Staff Front End Network Engineer - AI InfrastructureThe Network Operations and Engineering teams at Nscale operate some of the most demanding networking environments in the industry, supporting large-scale AI GPU clusters where network performance directly impacts customer outcomes.This role focuses on owning and evolving the reliability, scalability, and operational excellence of our high-performance Ethernet front-end networks. These networks support inference traffic, cluster management, data ingress/egress, shared storage connectivity, long-haul circuits, and carrier handoffs.You will act as a key technical leader and domain expert, driving architecture decisions, improving operational practices, and helping solve the most complex networking challenges in the front-end network stack. While not the ultimate technical authority, you will significantly influence design direction and cross-team outcomes.What You'll Be DoingLeading technical direction and operational improvements for Nscale's front-end AI infrastructure networks within your domainDesigning, reviewing, and evolving large-scale Ethernet leaf-spine / Clos fabric architectures (Arista and Nokia platforms) to support growth, inference workloads, and storage requirementsServing as a senior escalation point for complex front-end network incidents and driving deep technical root cause analysis and remediationDriving cross-team initiatives to improve fabric reliability, performance consistency, observability, and operational maturityDefining and evolving engineering standards for hardware configuration, routing, congestion management, firmware lifecycle, automation, and change safety across Nvidia Cumulus, Arista EOS, and Nokia platformsPartnering with SRE, Compute Platform, Storage, and Network Architecture teams to influence end-to-end system design, including DCI and storage networking integrationMentoring senior engineers and contributing to the growth of technical excellence across the organizationDelivering measurable improvements in uptime, latency consistency, capacity efficiency, and incident reduction for front-end servicesAbout You (Skills / Qualifications)10-12+ years of experience in network engineering, with a strong focus on hyperscale data center, cloud, or AI infrastructure networkingDeep hands-on experience with large-scale Ethernet data center fabrics (leaf-spine / Clos topologies)Strong production expertise with Nvidia (Cumulus), Arista EOS, and/or Nokia platforms at scaleSolid understanding of data center routing and control planes (BGP, OSPF, ECMP, EVPN-VXLAN)Experience with long-haul circuits, DCI, and optical transport (dark fiber, carrier Ethernet, coherent optics, ZR/ZR+)Strong understanding of storage networking over Ethernet in large-scale environmentsAbility to debug and resolve complex cross-layer issues across hardware, optics, routing, and application layersProven ability to lead technical initiatives across teams and influence outcomes without formal authorityStrong systems thinking, balancing performance, reliability, scalability, and operational efficiencyNice to HaveExperience operating Arista, Nokia, or Nvidia networking platforms at hyperscaleFamiliarity with AI infrastructure network design patterns (inference, management, storage tiers)Exposure to DCI / long-haul optical or carrier network design and operationsStrong automation experience (Python, Ansible, telemetry pipelines, validation frameworks)Experience contributing to infrastructure strategy or large-scale platform improvementsWhat We Can Offer YouAt Nscale, you'll find a collaborative, supportive, and innovative environment where your contributions create real impact.

We're building something extraordinary, and we want you at the core.Highly competitive package (base + equity) with annual reviewsOpportunity to join a fast-growing AI infrastructure company and work on cutting-edge systemsA progression path tailored to your growth, with opportunities to lead, innovate, and expand your technical scopeFlexible benefits including medical, dental, vision, PTO, parental leave, and retirement plans