Hardware System Diagnostic Engineer

What MatX Is Building MatX is on a mission to be the compute platform for AGI. We are developing vertically integrated full-stack solutions from silicon to systems including hardware and software to train and run the largest ML workloads for AGI. MatX is seeking silicon micro-architects and design 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. We are looking for a Diagnostic Engineer to join our Hardware System team.

The successful candidate will be responsible for defining, designing, and owning the end-to-end diagnostics test suite for manufacturing, debugging and deployment of our rack-scale AI data center product. This role is crucial for collaborating with JDM to ensure high manufacturing yield and robust products from manufacturing to customer deployment.

What You'Ll Do

Here Own the end-to-end diagnostics test suite for accelerator boards and racks Develop diagnostic tools covering the AI chip, PCIe, HBM, power, and thermal Define test coverage and pass/fail criteria for manufacturing screening Enable JDM/ODM partners with documentation, tooling, and hands-on debug support Support partners technically through NPI and production ramp phases Triage and root-cause manufacturing test escapes and field failures Build and maintain CI/CD infrastructure for the diagnostics software stack Track quality metrics — yield, test coverage, defect density — and report out

Who You Are

7+ years in systems diagnostics, hardware validation, or manufacturing test Expert in Python and C/C++ for test automation and low-level device programming Deep knowledge of PCIe, memory hierarchies, power management, and I/O Proven experience managing test relationships with ODM/JDM or CM partners Experienced building and scaling test automation frameworks from the ground up Proficient with Linux system tools for hardware interrogation and fault analysis Self-directed and effective in a fast-moving, low-overhead startup environment Strong communicator across engineering, manufacturing, and executive audiences Bonus Points If You Have Experience with AI accelerator, GPU, or custom ASIC diagnostics Familiarity with HBM or advanced packaging (2.5D/3D) test considerations Exposure to rack-scale management: BMC, PDU, IPMI, or Redfish Experience writing diagnostics that run at bare-metal or pre-OS environments Familiarity with error injection frameworks and fault coverage analysis Prior NPI experience at a semiconductor or early-stage hardware startup Familiarity with Linux drivers, PCIe enumeration, or register-level programming

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.

. Early Career - $120,000 - $275,000 + equity Mid Career - $175,000 - $450,000 + equity Senior Career - $275,000 - $600,000 + equity

g. conferences, courses, and other learning opportunities Team Connection Team Lunches, quarterly off-sites, and regular town halls Financial Wellbeing 401K and/or Roth IRA, with 5% company contribution, even if you don’t!

What We Offer

A Stake in our success A flexible cash equity