Upscale AI

Upscale AI

Technical Support Principal Engineer – AI Network

US - Headquarters · Principal

Sponsorship not specified$248k-$269kDetected 87 days ago
PythonGoBackend DevelopmentCode ReviewGitDockerAnsibleLinuxRESTAccessibilityCustomer SupportElectrical EngineeringTCP/IPCommunicationProblem Solving

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odds of building a lasting career here

61Sponsors, lottery-bound
Cap-exempt (no lottery)0
Sponsors this role90
Entry-level history0
PERM / green-card track0
Lottery odds (Level IV)94
Fits your clock70

Sponsors, but it's cap-subject — you still face the weighted lottery (~61% per draw at Level IV). Good if you win; have a cap-exempt backup on your list.

Lottery odds assume a STEM candidate.

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Files H-1B transfers

16 transfer filings in the last year, covering 16 workers. Median labor-condition decision: 7 days. An employer that already files transfers is one that can take over an existing H-1B.

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About the role

  • You'll have the opportunity to work on technologies powering next-generation GPU clusters and AI data centers while learning from experienced engineers in a fast-paced startup environment.

Responsibilities

  • Design, develop, and maintain features and enhancements for the SONiC NOS platform.
  • Develop and execute debugging and troubleshoot infrastructure.
  • Collaborate closely with cross-functional teams including hardware engineers and Test teams.
  • Develop support strategies to root-cause Networking ASICs and Networking Systems issues.
  • Develop debugging tools, for Traffic monitoring and Performance measurements.
  • Build tools that improve deployment efficiency, observability, telemetry, and automated testing.
  • Collaborate with software, infrastructure, QA, and product teams to identify root causes and deliver robust solutions.

Requirements

  • Bachelor's or master's degree in computer science, Electrical Engineering, or a related field.
  • Experience with PTF (Packet Test Framework) and SPyTest for network validation.
  • Familiarity with Linux internals, docker containers.
  • Excellent problem-solving skills and ability to work in a fast-paced, collaborative environment.
  • Knowledge of network ASICs and switch hardware architecture is mandatory.
  • Ability to thrive in a collaborative, fast-paced startup environment with a strong sense of ownership.
  • Required Qualifications
  • Minimum of 12 years of work experience is required, with at least 3 years of hands-on SONiC or equivalent Network Operating System (NOS) development experience preferred.
  • Strong programming skills in Python, Go, or a similar language.
  • Solid understanding of Linux, TCP/IP networking, routing, switching, VLANs, and network troubleshooting.
  • Excellent written and verbal communication skills.

Nice to have

  • Data-center networking with hands-on switch ASIC tuning and platform bring-up.
  • Deep buffer/queueing knowledge (headroom, xon/xoff, dynamic thresholds, VOQ vs shared pools).
  • SONiC (buffers.json, qos.json, pfcwd, ecn), Enterprise-OS (class-map/type qos & network-qos, policy-map, queuing).
  • Optics & PHY: PAM4 signal integrity, FEC modes, DOM/RS-FEC counters, AN/LT quirks, DAC/AOC selection.
  • Tooling: ethtool, devlink, mlnx_qos, perfquery, switch telemetry (INT/sFlow/ERSPAN), gNMI/REST, Prometheus.
  • Benchmarking: perftest, nccl-tests, iPerf3, traffic generators
  • reading queue stats, ECN marks, and CNP behavior.
  • EVPN/VXLAN leaf-spine for AI pods

Compensation

  • $248k-$269k

Company info

  • We value ownership, technical rigor, and speed, and we offer the opportunity to work on foundational problems with immediate, real-world impact.
  • Document technical findings and communicate effectively with engineering teams and customers.

Equal opportunity

  • Upscale, Inc., is building a team that reflects a wide range of perspectives, backgrounds, and experiences. We're proud to be an Equal Opportunity Employer and consider all qualified applicants regardless of race, color, religion, national origin, sex, sexual orientation, gender identity, disability, or veteran status.
  • Accessibility & Accommodations
  • We're committed to making our hiring process accessible to everyone. If you need accommodations at any stage, just reach out to us at hiring@upscaleai.com -we're happy to help. Note: This inbox is only for accommodation requests.
  • Upscale, Inc., is building a team that reflects a wide range of perspectives, backgrounds, and experiences.
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This listing is sourced directly from Upscale AI's careers page and normalized into a canonical job model.