Software Engineer - Platform Core

Responsibilities

• Build and maintain a lean, high-reliability Linux-based operating system underpinning a supercomputer network fabric.
• Write or rewrite high-performance device drivers to maximize the capabilities of network and compute hardware.
• Manage deployment, operation, and production debugging of the platform.
• Resolve and root-cause anomalies to continuously improve system reliability.
• Develop and improve observability and configuration-management tools.
• Collaborate with hardware teams and external partners to design next-generation supercomputer hardware and bring up the OS and software stack.

Requirements

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

Nice-to-haves

• Deep knowledge of the Linux kernel and its networking stack, or transferable experience with another production-grade kernel.
• Proficiency with debugging tools spanning kernel, network, and userspace, including 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 root filesystem.
• Experience developing and optimizing device or peripheral drivers, particularly for high-speed interfaces or systems involving DMA and cache coherency.
• Understanding of peripheral hardware interface standards including Ethernet, PCIe, I2C, and SPI.
• Experience with product security, operating-system hardening, and secure-boot schemes.

Compensation and Benefits

• Base salary: $180,000–$440,000 USD
• Equity
• Comprehensive medical, vision, and dental coverage
• 401(k) retirement plan
• Short- and long-term disability insurance
• Life insurance
• Various discounts and perks