Software Engineer - Platform Core (C++, C)

xAI's mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. You will be part of a small, highly motivated team focused on engineering excellence.

Responsibilities:

• Build and maintain a lean, high-reliability Linux-based operating system for their supercomputer network fabric.
• Write high-performance device drivers to maximize physical capability from network and compute hardware.
• Manage deployment, operation, and debugging of the platform in production, including rigorous resolution and root-causing of anomalies.
• Develop and improve tools for observability and configuration management.
• Collaborate with hardware teams and external partners to design next-generation supercomputer hardware and bring up the OS and software stack.

Basic Qualifications:

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

Preferred Skills and Experience:

• Deep knowledge of the Linux kernel and its networking stack.
• Proficiency with debugging tools such as ftrace, perf, Wireshark/tcpdump, eBPF, and gdb.
• Experience bringing up new hardware from scratch.
• Demonstrated track record of developing and optimizing device/peripheral drivers.
• Understanding of major peripheral hardware interface standards.
• Experience with product security, OS/system hardening, and secure boot schemes.

Compensation and Benefits:

The salary range is $180,000 - $440,000 USD. The total rewards package also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short and long-term disability insurance, life insurance, and various other discounts and perks.