AI Runtime System Software Engineer - Linux Kernel ...

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 daemonsDeliver unit-tests for all software components being developed, including kernel level softwaresCollaborate with ML and compiler teams to understand how to optimize the system software stack and optimize ML training and inference workloadsCPU/memory subsystem optimization for the host system stackOptimize movement of ML data to and from the accelerator, job scheduling, synchronization etcWrite debug and performance monitoring utilitiesPerformance profiling, look for opportunities to reduce operating system overheadsInfluence the design of next generations of accelerators, and the host system software stackDesign system software components to improve system observability, improve resiliencyDesign and implement cluster management solutions and failover algorithms to minimize downtimeBring up and help debug issues during new chip bring-up in close collaboration with hardware engineersProductize system software stack across various CPU ISAs and operating system versionsRequirements:BS or higher in Electrical Engineering or Computer Science, with 8+ years of experience in the following areasStrong hands-on development experience in Linux, both in low-level userspace libraries as well as device drivers in the Linux kernelAbility to read hardware data sheets, register definitions etc. to program hardware devicesExperience in user-facing software bring-up on new custom siliconIn-depth knowledge of computer hardware and system architectureGood understanding of low-level operating systems interfaces - threads, process management, memory management etcExperience debugging issues related to complex hardware-software interactionPreferred Qualifications:Experience in hardware bring-up, simulation and emulation environmentsGood understanding of system level architecture, interrupts, memory mapped IO, direct memory access, computer systems interconnect, memory hierarchy etcPerformance tuning and optimization in kernel drivers and modules, low-level librariesCompensation:The US base salary for this full-time position is $120,000 - $400,000 + equity + benefitsAs 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. 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Created: 2025-09-17