Senior Software Engineer Linux Kernel

SpaceXAI builds frontier AI models and products including the Grok conversational assistant and a multimodal developer API.

Austin, United States
About SpaceXAI

SpaceXAI is a US-based AI company focused on accelerating scientific discovery and understanding the universe through reasoning, voice, image, video, and generative AI systems. Formerly xAI, it was acquired by SpaceX effective February 2, 2026, while continuing to operate the x.ai site and services.

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Skills

Candidate Availability

Required and preferred rules are kept separate and reflect the wording in the original posting.

About the Role

You will build and maintain a Linux-based operating system, write high-performance device drivers, manage deployment and debugging in production, improve observability and configuration management, and bring up operating-system software on next-generation hardware.

Requirements

  • 5 or more years of hands-on systems programming experience in C or C++
  • Operating systems
  • Scheduling
  • Memory management
  • I/O
  • Computer networking
  • Linux kernel
  • Networking stack
  • Kernel debugging
  • Network debugging
  • Userspace debugging
  • Device driver development
  • Hardware bring-up
  • Ethernet
  • PCIe
  • I2C
  • SPI
  • Product security
  • System hardening
  • Secure boot

Responsibilities

  • Build and maintain a lean, high-reliability Linux-based operating system for supercomputer network fabric
  • Write or rewrite high-performance device drivers for network and compute hardware
  • Manage platform deployment, operation, debugging, anomaly resolution, observability, and configuration management in production
  • Collaborate on next-generation supercomputer hardware and bring up the operating system and software stack

Benefits

  • Equity
  • Comprehensive medical coverage
  • Vision coverage
  • Dental coverage
  • 401(k) retirement plan
  • Short-term disability insurance
  • Long-term disability insurance
  • Life insurance
  • Discounts and perks
Senior Software Engineer Linux Kernel at SpaceXAI | JobStash