Linux Kernel Engineer — Equity & Benefits Included

X.ai; Palo Alto (CA); On-site; USD 180,000 - 440,000; Full time

Benefits offered by this job

Equity

Medical, vision, dental coverage

401(k) plan

Disability insurance

Life insurance

Job summary

SpaceXSI in Palo Alto is seeking a Software Engineer, Linux Kernel, to design, build, and operate the lean Linux-based OS powering our AI supercomputer network fabric. You will work on drivers, OS components, and the core stack to push the hardware to its limits.

Join a team collaborating with hardware partners to bring up new platforms, tune performance, and ensure reliability with observability tools. Strong C/C++ skills and kernel networking expertise are essential.

Qualifications

• Hands-on systems programming in C/C++.
• Strong OS fundamentals and networking knowledge.
• Excellent written and verbal communication skills.
• Deep knowledge of the Linux kernel networking stack.
• Experience with kernel/network debugging tools.
• Experience bringing up new hardware and bootstrapping Linux.
• Developing and optimizing device drivers, including DMA and cache coherency.
• Understanding Ethernet, PCIe, I2C, SPI and related interfaces.
• Knowledge of security, OS hardening, and secure boot.

Responsibilities

• Build and maintain the lean Linux-based OS underpinning our supercomputer network fabric.
• Write (or rewrite) high-performance device drivers to maximize hardware capability.
• Manage deployment, operation, and debugging with observability and configuration tools.
• Collaborate with hardware teams to design the next generation of supercomputer hardware and boot the OS on it.

Skills

C/C++ programming

Kernel development

Networking fundamentals

Debugging tools

Tools

ftrace

perf

Wireshark

tcpdump

eBPF

gdb

Job description

SpaceXSI in Palo Alto is seeking a Software Engineer, Linux Kernel, to design, build, and operate the lean Linux-based OS powering our AI supercomputer network fabric. You will work on drivers, OS components, and the core stack to push the hardware to its limits.

Join a team collaborating with hardware partners to bring up new platforms, tune performance, and ensure reliability with observability tools. Strong C/C++ skills and kernel networking expertise are essential.