Senior Network Engineer

Nscale; New York (NY); On-site; USD 150,000 - 210,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Flexible PTO

Parental leave

Retirement plan

Job summary

Nscale, the GPU cloud for AI, seeks a Network Engineer to design, deploy and operate fast Ethernet and InfiniBand networks across data centers and WANs. You will work with deployment teams to ensure BOM accuracy and reference architectures are implemented, while troubleshooting performance issues and automating hardware lifecycles.

The role requires deep experience in VLAN, LACP, MLAG, BGP/OSPF, EVPN, VXLAN and RDMA, plus Python or Bash scripting.

Qualifications

• Proven design, deployment and operation of high-speed Ethernet networks.
• Experience with InfiniBand networking including QoS and RDMA.
• Strong WAN knowledge: MPLS, BGP, IPSec, GRE, SD-WAN.
• Familiarity with HPC topologies: Fat Tree, Rail.
• Proficiency in Python or Bash scripting.
• Solid optics and hardware BOM insight.

Responsibilities

• Design, deploy and operate high-speed Ethernet networks.
• Design, deploy and operate InfiniBand networks; tune performance.
• Collaborate with deployment teams to validate BOMs.
• Contribute to DC layout and rack elevations per reference architectures.
• Troubleshoot Ethernet and InfiniBand performance issues.
• Automate deployment and operations for multiple vendors’ hardware.
• Design, implement and support WAN infrastructure.

Skills

High-speed Ethernet design

InfiniBand networking

VLAN & LACP/MLAG

BGP & OSPF

EVPN & VXLAN

WAN technologies

MPLS & IPSec

SD-WAN

Subnet Manager & RDMA

Python / Bash scripting

Optics hardware knowledge

Tools

Automation tooling

Job description

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 then 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 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 3/4th line escalation point for the support organisation.

What You’ll be Doing (Responsibilities)

Designing, deploying and operating high speed Ethernet based networks

Designing, deploying and operating high speed Infiniband 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

Troubleshooting performance issues on both Ethernet and Infiniband networks

Automating the deployment and initial standup of multiple vendors hardware

Automating the day to operations of multiple vendors hardware

Designing, implementing and supporting our WAN infrastructure

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.

Proven experience in designing, deploying, and operating InfiniBand networking, including configuration, performance tuning, and troubleshooting (e.g., Subnet Managers, QoS, RDMA).

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

Knowledge of HPC networking topologies. Fat Tree, Rail

Strong Python or Bash

Strong Optics and hardware knowledge to assist with BOM design

At Nscale, we are committed to fostering an inclusive, diverse, and equitable workplace. We believe that a variety of perspectives enriches our work environment, and we encourage applications from candidates of all backgrounds, experiences, and abilities. 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 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 - $210,000 USD

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