Software Engineer, Supercomputer Network (Starlink)

SpaceX•Bellevue, WA

About The Position

SpaceX is developing technologies to enable human life on Mars and designs, builds, and operates large AI supercomputers. As a member of the Platform Core team, the Software Engineer is responsible for the lowest layers of the software stack on devices supporting the supercomputer. The role’s software interfaces directly with supercomputer core hardware and its network fabric, as well as the Starlink laser mesh of satellites.

Requirements

Bachelor’s degree in computer science, engineering, math, or a science discipline, or at least 2 years of professional software-development experience in lieu of a degree; internship experience is applicable.
Hands-on system-programming experience in C or C++.

Nice To Haves

Deep knowledge of the Linux kernel and its networking stack, or experience with another production-grade kernel.
Proficiency with debugging tools across kernel, network, and userspace, such as ftrace, perf, Wireshark/tcpdump, eBPF, and gdb.
Experience bringing up new hardware from scratch, such as flashing bare-metal software on a microcontroller with JTAG or bootstrapping a Linux kernel and root filesystem on new hardware.
A demonstrated track record developing and optimizing device or peripheral drivers, ideally for high-speed interfaces or with advanced considerations such as DMA and cache coherency.
Understanding of major peripheral hardware interface standards, including Ethernet, PCIe, I2C, and SPI, and ability to critically review schematics and debug interfaces.
Experience with product security, operating-system or system hardening, and secure boot schemes.

Responsibilities

Build and maintain a lean, high-reliability Linux-based operating system for the supercomputer network fabric and Starlink satellite laser mesh.
Write or rewrite high-performance device drivers to maximize the capabilities of network and compute hardware.
Manage deployment, operation, and debugging of the platform in production.
Investigate and resolve anomalies and identify root causes to continually improve system reliability.
Develop and continuously improve 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.

Benefits

Potential eligibility for long-term incentives in the form of company stock or long-term cash awards.
Potential discretionary bonuses.
Employee Stock Purchase Plan with the ability to purchase additional stock at a discount.
Comprehensive medical coverage.
Vision insurance.
Dental insurance.
401(k) retirement plan.
Short- and long-term disability insurance.
Life insurance.
Paid parental leave.
Various other discounts and perks.
Up to 3 weeks of accrued paid vacation.
10 or more paid holidays per year.
Washington State employees accrue paid sick time in compliance with state and federal law.
Company shuttles for roundtrip travel from select Seattle locations to the SpaceX Redmond office, Monday through Friday.