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SpaceXAI

Network Engineer - ML Infrastructure (High-Speed Interconnects)

SpaceXAI · Palo Alto, CA

Posted about 3 months ago · $180,000 - $440,000

or apply directly on SpaceXAI's site. We never take the application ourselves.

Is this posting real?

This role has been open
87 days
SpaceXAI's roles stay open a median of 87 days
Reposted
No
Salary listed
Yes
32% of SpaceXAI's roles list one
Ghost-job risk at SpaceXAI
high
258 stale, 5 reposted of 258 open
Hiring momentum
339 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-10-29

Measured from postings appearing on and disappearing from SpaceXAI's own greenhouse board since 2026-08-03. Full hiring picture for SpaceXAI.

About this role

As a Network Engineer focused on ML Infrastructure at SpaceX, you will design, build, and optimize high-speed interconnect technologies that support large-scale AI training and inference clusters. Your role will involve working with both copper and optical interconnects, ensuring they meet performance and power efficiency standards. You will collaborate with vendors and internal teams to drive innovation and improve network solutions, while also contributing to operational processes and system-level simulations.

Our read on this posting4.0out of 5
benefits
4/5
freshness
1/5
career value
5/5
role clarity
5/5
pay transparency
5/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of SpaceXAI as an employer.

What you need

  • At least 8+ years of hands-on experience in designing, deploying and operating high-speed copper and optical interconnects, preferably in a module design role or in a hyperscale datacenter environment.
  • Master's or PhD degree in Electrical Engineering, Photonics or Physics.
  • Deep knowledge of PAM4 SerDes performance, equalization, jitter, crosstalk.
  • Solid operational understanding of FEC, Retimers, TIAs and Drivers.
  • Deep knowledge of optical link budget analysis and performance metrics including TDECQ, OMA, Tcode, stressed receiver sensitivity and associated diagnostics.
  • Expertise in transceiver components including CW lasers, SiPh PICs, EML, DSP, passive subassemblies, their failure modes and characterization.

What you get

  • $180,000 - $440,000 USD
  • Equity
  • Comprehensive medical, vision, and dental coverage
  • Access to a 401(k) retirement plan
  • Short & long-term disability insurance
  • Life insurance

Worth weighing

  • High level of technical expertise required, which may limit the candidate pool.
  • The role involves working in a fast-paced and ambiguous environment, which may not suit everyone.

Summarised from SpaceXAI's posting. Read the full original.

Listed by SpaceXAI on their greenhouse job board, last confirmed open on 2026-10-29. PitchMeAI is not the employer.

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