3 days ago
Base Salary
$180k - $330k/yr
Responsibilities
- Build and maintain a high-reliability Linux-based operating system for the supercomputer network fabric.
- Write and optimize high-performance device drivers for network and compute hardware.
- Deploy, operate, debug, and improve the production platform, including root-causing anomalies and enhancing observability and configuration-management tools.
- Collaborate with hardware teams and external partners to design next-generation supercomputer hardware and bring up the operating system and software stack on it.
Requirements
- At least 5 years of hands-on systems programming experience in C or C++.
- Strong operating-systems fundamentals, including scheduling, memory management, and I/O.
- Understanding of host and device networking, including switches and routers.
- Deep knowledge of the Linux kernel and networking stack, or transferable experience with another production-grade kernel.
- Proficiency with kernel, network, and userspace debugging tools such as ftrace, perf, Wireshark, tcpdump, eBPF, and gdb.
- Experience bringing up new hardware, including flashing bare-metal software on a microcontroller with JTAG or bootstrapping a Linux kernel and rootfs.
- Experience developing and optimizing device or peripheral drivers, ideally for high-speed interfaces or systems involving DMA and cache coherency.
- Understanding of Ethernet, PCIe, I2C, SPI, and other peripheral hardware interface standards, including schematic review and interface debugging.
- Experience with product security, OS or system hardening, and secure boot schemes.
- Excellent written and verbal communication skills.
Benefits
- Base salary of $180,000-$330,000 USD, plus equity.
- Comprehensive medical, vision, and dental coverage.
- Access to a 401(k) retirement plan.
- Short- and long-term disability insurance, life insurance, discounts, and other perks.
About xAI
Understand the Universe. We are a team of AI technologists and business leaders on a mission to build AI systems that can help humanity understand the world better. https://x.ai/careers