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Principal Back-End Network Engineer - AI Infrastructure OperationsNscale • New York, New York, United States
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Principal Back-End Network Engineer - AI Infrastructure Operations

Nscale
  • US
    New York, New York, United States
  • US
    New York, New York, United States
Jetzt Bewerben

Über

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.
About the Role The Network Operations and Engineering teams at Nscale operate some of the most demanding networking environments in the industry, supporting tightly coupled GPU clusters where network performance directly impacts customer outcomes.
We’re looking for a Principal Network Engineer – AI Infrastructure to provide technical leadership across Nscale’s high-speed networking domain.
This role is focused on owning the reliability, scalability, and long-term evolution of our Infiniband and RDMA-based network fabrics. You will operate as a technical authority, influencing architecture, standards, and operational practices across teams while tackling the most complex network challenges in the platform.
What You’ll Be Doing
Owning the technical direction and operational strategy for Nscale’s AI interconnect networks
Designing, reviewing, and evolving large‑scale Infiniband and RoCE fabric architectures to support future growth and workload demands
Acting as the senior escalation point for the most complex network incidents, guiding deep technical investigations and systemic fixes
Driving cross‑team initiatives to improve fabric reliability, performance predictability, and operational maturity
Defining standards for hardware configuration, congestion control, routing, firmware lifecycle management, and change safety
Partnering with SRE, Compute Platform, and Network Architecture teams to influence end‑to‑end system design
Mentoring senior and mid‑level network engineers, raising the bar for operational rigor and technical excellence
Driving measurable improvements in uptime, latency consistency, capacity efficiency, and incident reduction
About You (Skills / Qualifications)
10+ years of experience in network engineering, with deep focus on HPC, AI, or hyperscale data centre networking
Expert‑level operational and architectural experience with Infiniband and/or large‑scale RoCE fabrics
Deep understanding of RDMA internals, congestion management, and fabric‑level failure modes
Strong expertise in modern data centre routing and control planes (BGP, OSPF, ECMP)
Proven ability to debug and resolve cross‑layer issues spanning hardware, firmware, kernel, and application communication libraries
Demonstrated ability to lead complex technical initiatives across teams without direct authority
A systems‑level mindset, balancing performance, reliability, scalability, and operational cost
Nice to Have
Extensive experience with NVIDIA/Mellanox networking platforms in production AI or HPC environments
Deep familiarity with distributed training frameworks and GPU communication patterns
Experience designing network observability systems for high‑cardinality, high‑throughput environments
Prior experience influencing platform or infrastructure strategy at scale
What We Can Offer You
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.
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.
The range below reflects the base salary for the position. Actual compensation may vary based on job‑related factors such as skill set, experience, education, and location. In addition to base salary, this role may be eligible for bonus, equity, and/or commission programs. Nscale may offer a competitive benefits package including medical, dental, vision, flexible paid time off, parental leave, and retirement plan participation.
Salary Range: $150,000 USD – $215,000 USD
For information on how Nscale handles candidate personal data, please see our Employee & Candidate Privacy Notice: Here.
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  • New York, New York, United States

Sprachkenntnisse

  • English
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