AI System Software Engineer

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 silicon verification engineers 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.

Responsibilities include:

Work closely with the architecture teams, silicon design teams and other software/firmware teams to architect, design and implement scalable and high performance system software components, including device drivers in Linux, low-level libraries and daemons

Deliver unit-tests for all software components being developed, including kernel level softwares

Collaborate with ML and compiler teams to understand how to optimize the system software stack and optimize ML training and inference workloads

CPU/memory subsystem optimization for the host system stack

Optimize movement of ML data to and from the accelerator, job scheduling, synchronization etc

Write debug and performance monitoring utilities

Performance profiling, look for opportunities to reduce operating system overheads

Influence the design of next generations of accelerators, and the host system software stack

Design system software components to improve system observability, improve resiliency

Design and implement cluster management solutions and failover algorithms to minimize downtime

Bring up and help debug issues during new chip bring-up in close collaboration with hardware engineers

Productize system software stack across various CPU ISAs and operating system versions Requirements:

Strong hands-on development experience in Linux, both in low-level userspace libraries as well as device drivers in the Linux kernel.

Ability to read hardware data sheets, register definitions etc. to program hardware devices

Experience in user-facing software bring-up on new custom silicon

Strong C programming skills

In-depth knowledge of computer hardware and system architecture

Good understanding of low-level operating systems interfaces - threads, process management, memory management etc

Experience debugging issues related to complex hardware-software interaction Preferred Qualifications:

Experience in hardware bring-up, simulation and emulation environments

Good understanding of system level architecture, interrupts, memory mapped IO, direct memory access, computer systems interconnect, memory hierarchy etc

Performance tuning and optimization in kernel drivers and modules, low-level libraries

Compensation: The US base salary for this full-time position is $120,000 - $400,000 + equity + benefits

As part of our dedication to the diversity of our team and our focus on creating an inviting and inclusive work experience, MatX is committed to a policy of Equal Employment Opportunity and will not discriminate against an applicant or employee on the basis of race, color, religion, creed, national origin or ancestry, sex, gender, gender identity, gender expression, sexual orientation, age, physical or mental disability, medical condition, marital/domestic partner status, military and veteran status, genetic information or any other legally recognized protected basis under federal, state or local laws, regulations or ordinances.

All candidates must be authorized to work in the United States and work from our offices in Mountain View Tuesdays-Thursdays.

This position requires access to information that is subject to U.S. export controls. This offer of employment is contingent upon the applicants capacity to perform job functions in compliance with U.S. export control laws without obtaining a license from U.S. export control authorities.

MatX does not accept unsolicited resumes from individual recruiters or third-party recruiting agencies in response to job postings. No fee will be paid to third parties who submit unsolicited candidates directly to our hiring managers or People team and any resumes submitted are deemed to be the property of MatX.