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SpaceXAI

Software Engineer - Linux Kernel (C++, C)

SpaceXAI · Palo Alto, CA; Seattle, WA

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
80 days
SpaceXAI's roles stay open a median of 81 days
Reposted
No
Salary listed
Yes
32% of SpaceXAI's roles list one
Ghost-job risk at SpaceXAI
high
257 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
2026-10-23

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 Software Engineer on the Linux Kernel team at SpaceXSI, you will build and maintain a high-reliability Linux-based operating system for supercomputer networks. Your responsibilities will include writing high-performance device drivers, managing system deployment and debugging, and collaborating with hardware teams to develop next-generation supercomputer hardware.

Our read on this posting3.6out of 5
benefits
4/5
freshness
1/5
career value
4/5
role clarity
4/5
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

  • Hands-on systems programming experience in C or C++
  • Strong operating systems fundamentals (scheduling, memory management, I/O)
  • Understanding of computer networking, both in the host (OS stack) and common network devices
  • Excellent written and verbal communication skills

Nice to have

  • Deep knowledge of the Linux kernel and its networking stack
  • Proficiency with debugging tools spanning kernel, network, and userspace
  • Experience bringing up new hardware from scratch
  • Demonstrated track record of developing and optimizing device/peripheral drivers
  • Understanding of major peripheral hardware interface standards

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 salary range but no specific role level mentioned
  • Focus on low-level systems programming may limit exposure to higher-level software development
  • Requires deep technical knowledge and hands-on experience with hardware integration

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

Listed by SpaceXAI on their greenhouse job board, last confirmed open on 2026-10-23. PitchMeAI is not the employer.

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