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

- **Company:** SPACEXAI LLC
- **Location:** Seattle, WA, United States
- **Salary:** $180,000.0
- **Contract:** Permanent contract
- **Skills:** C++ (Programming Language), Configuration Management, Computer Networks, Software Debugging, Linux, Device Drivers, Memory Management, Ethernet, Filesystem Hierarchy Standards, Hardware Interface Design, Networking Hardware, Joint Test Action (IEEE Standards), Linux Kernel, PCI Express, System Programming, Tcpdump, Wireshark, Serial Peripheral Interface, PIC Microcontroller, Software Security, Perf (Linux), Bare Metal, Routing & Switching
- **Published:** August 2, 2026
- **Apply:** https://www.seattlejobs.com/job.asp?id=3341047611&tx=FP6158FFI&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54

## About the Role

All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates., * Hands-on systems programming experience in C or C++.

 * Strong operating systems fundamentals (scheduling, memory management, I/O) - you must be able to articulate in extreme detail how a computer works, from the hardware all the way up to high-level applications.
 * Understanding of computer networking, both in the host (OS stack) as well as common network devices like switches and routers.
 * Excellent written and verbal communication skills.

PREFERRED SKILLS AND EXPERIENCE:

 * Deep knowledge of the Linux kernel and its networking stack - transferable experience with another production-grade kernel is okay, too!
 * Proficiency with debugging tools spanning kernel, network, and userspace (e.g., ftrace, perf, Wireshark/tcpdump, eBPF, gdb, and more).
 * Experience bringing up new hardware from scratch - you have flashed bare-metal software on a microcontroller with JTAG, or bootstrapped a Linux kernel and rootfs on new hardware.
 * Demonstrated track record of developing and optimizing device/peripheral drivers - ideally for high-speed interfaces, or with advanced considerations like DMA and cache coherency.
 * Understanding of major peripheral hardware interface standards (Ethernet, PCIe, I2C, SPI, etc.) - you can critically review a schematic, and debug these interfaces if needed.
 * Experience with product security, OS/system hardening, and secure boot schemes.

## Description

* Build and maintain the lean, high-reliability Linux-based operating system that underpins our supercomputer network fabric.
 * Write (or rewrite) high-performance device drivers to extract the maximum physical capability from our network and compute hardware.
 * Manage deployment, operation, and debugging of our platform in production, including:

 * Rigorous resolution and root-causing of anomalies to ensure the system is constantly improving in reliability.
 * Developing and constantly improving our tools for observability and configuration management.

Collaborate with our hardware teams and external partners to design the next generation of supercomputer hardware â?? and then bring up our OS and software stack on it.


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