Hardware System Diagnostic Engineer
MatX•Mountain View, CA
•$120,000 - $600,000•Hybrid
About The Position
MatX is building the compute platform for AGI, developing vertically integrated full-stack solutions from silicon to systems. We are seeking 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.
Requirements
- 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
Nice To Haves
- 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
Responsibilities
- 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
Benefits
- Company subsidized Health, Dental, Vision, and Life insurance
- Pre-tax Health Savings Accounts with generous company contribution
- 4 weeks paid time off (accrued)
- 12 company holidays
- 3 weeks remote/flexible work per year
- Up to 12 weeks of paid parental leave
- $1,500 yearly towards professional development
- Team Lunches
- quarterly off-sites
- regular town halls
- 401K and/or Roth IRA, with 5% company contribution
- Flexible Spending Accounts for medical, dental/vision, dependent care, parking, and transit expenses
- $50 per month for perks
- Home-tech setup
- remote wifi expense reimbursement
- 100% paid mental health benefit via SpringHealth and Guardian EAP
- 10 weeks pregnancy disability leave
- flexible return-to-work hours
- Benepass reproductive health & parental benefit
- Up to $20K/month plus a dedicated internal AI Tooling Team to support your productivity
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What This Job Offers
Job Type
Full-time
Career Level
Mid Level
Education Level
No Education Listed
