What MatX Is Building

MatX's mission is to make the world’s best AI models run as efficiently as allowed by physics, bringing the world years ahead in AI quality and availability. MatX is seeking System Software Engineer to join our team as we create best-in-class silicon for high-performance and sustainable GenAI. Successful candidates for these roles will be responsible for delivering performant and functionally accurate silicon for MatX products across compute, memory management. High-speed connectivity and other key technologies.

The MatX host system software team owns everything that makes our AI silicon and systems usable: from Linux kernel drivers up through node and cluster management. We build integrated AI systems from custom silicon through fully deployed rack-scale infrastructure. Our system software team owns the host software stack — the layer where our hardware becomes a usable, manageable system. The team also co-owns the BMC/OpenBMC firmware stack, with dedicated firmware engineers, so host software and out-of-band management are designed together rather than bolted together.

What you'll do

Design and implement Linux kernel and userspace drivers for our custom and third-party hardware

Build the system management software that monitors, configures, and controls our platforms in production

Develop the low-level tooling that our engineering, manufacturing, and support teams rely on

Work directly with hardware, silicon, and firmware teams during bring-up and throughout the product lifecycle

Debug problems that cross the hardware/software boundary, often with early hardware and incomplete information

What we're looking for

Deep systems programming experience in C on Linux

Hands-on Linux kernel development experience — you've written and shipped drivers, not just read about them

Strong understanding of how hardware and software interact: buses, interrupts, DMA, memory-mapped I/O

Experience designing long-running system services and their interfaces

Comfort with ambiguity: new hardware, evolving specs, and problems nobody has hit before

Clear communication with teams outside software

Nice to have

Experience with hardware bring-up on new platforms

Contributions to the Linux kernel or related open-source infrastructure projects

Familiarity with platform management standards and server-class hardware

Compensation

The US base salary for this full-time position is determined based on a variety of factors including role, experience, location, job-related skills, and relevant education and training. Career length is only a guideline for compensation.

Early Career - $160,000 - $275,000 + equity

Mid Career - $175,000 - $400,000 + equity

Senior Career - $250,000 - $600,000 + equity

What We Offer

Time off: 4 weeks PTO (accrued) + 12 company Holidays + up to 3 weeks remote work

Health: Company-subsidized Medical (Kaiser or Anthem) for employees & dependents, Guardian Dental and Vision insurances for employee & dependents, and life insurance (employee only), plus HSA and FSA offerings via Lively.

Financial Security: Choose from Roth or pre-tax 401K (or both) with a 5% company contribution (even if you don't contribute), 100% company-paid life insurance (up to $300K), long-term disability and travel insurance.

Professional Development: $1500 per year Professional Development Budget

Team Meals: MatX provides onsite team lunch & dinner Monday - Friday, with your choice of ordering via WeBox, Specialty’s or via our reimbursement system

Commute on Us: We pay 100% for your daily commute. Commute via our company rideshare account, reimburse public transportation, or get a Fasttrak card (or all three)

MatX E[x]tras: $50/mo to use on the perk you value most

Cell & Internet Reimbursement: $35/mo for cellular and $40/mo for wifi

Remote Home Setup: Use our Amazon business account for up to $1000 in office setup purchases.

Mental Wellbeing: 100% paid mental health benefit via SpringHealth and Guardian EAP.

Support to Parents: Up to 12 weeks paid parental leave regardless of path to parenthood, 10 weeks pregnancy disability leave, flexible return-to-work hours, and a $6K Family Fund to cover fertility, surrogacy, adoption, menopausal health, preservation, family counseling and more.