Mechanical Engineer - AI Rack Scale Systems

MatX•Mountain View, CA

1d•Onsite

About The Position

MatX is building next-generation AI compute infrastructure for large-scale LLM training and inference. We are looking for a hands-on Mechanical Engineer to design, develop, and validate mechanical systems for our rack-scale AI platform from compute trays and rack enclosures to fully liquid-cooled infrastructure.

Requirements

5+ years of mechanical engineering experience in server, data center, or AI compute hardware
Experience designing rack-scale hardware — compute trays, rack enclosures, or server platforms
Familiarity with OCP Open Rack standards
Experience with liquid cooling systems — cold plates, manifolds, or CDU interfaces
Proficiency in 3D CAD (SolidWorks or equivalent) and GD&T
Familiarity with sheet metal, extrusion, casting, and machining manufacturing processes
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 applicant's capacity to perform job functions in compliance with U.S. export control laws without obtaining a license from U.S. export control authorities.

Nice To Haves

Experience with high-power AI accelerator platforms
Hands-on cold plate manufacturing experience
Experience working with JDM/ODM partners
Knowledge of liquid cooling reliability standards and leak testing methodologies

Responsibilities

Develop AI compute trays, rack enclosures, and mechanical assemblies in accordance with OCP Rack specifications
Produce 3D models and 2D drawings at the component, sub-assembly, and assembly levels, and maintain the mechanical BOM, drawing packages, and GD&T documentation throughout the NPI stages
Design and integrate liquid cooling hardware including cold plates, manifolds, quick-disconnect fittings, and CDU-to-rack interfaces
Support the mechanical integration of compute trays into rack systems across power, liquid cooling, cabling, and connector interfaces
Carry out tolerance stack-up analysis at multiple levels, from package through rack, to confirm proper fit and straightforward assembly
Take a hands-on role in EVT, DVT, and PVT prototype builds, bring-up, and debug
Apply DFM/DFA principles and contribute to design reviews with JDM/ODM manufacturing partners

Benefits

4 weeks PTO (accrued)
12 company Holidays
up to 3 weeks remote work
Company-subsidized Medical (Kaiser or Anthem) for employees & dependents
Guardian Dental and Vision insurances for employee & dependents
life insurance (employee only)
HSA and FSA offerings via Lively
Roth IRA/ 401K (or both) retirement plans with up to 5% company contribution to 401K
100% company-paid life insurance (up to $300K)
$1500 Professional Development Budget (per year)
Onsite team lunch & dinner Monday - Friday
Company Uber account for commute, or reimbursement for train rides
$50/mo for perks
$35/mo for cellular
$40/mo for wifi
100% paid mental health benefit via SpringHealth and Guardian EAP
Up to 12 weeks paid parental leave
10 weeks pregnancy disability leave
flexible return-to-work hours
Benepass reproductive health & parental benefit
Up to $20K/month for AI Resources
Dedicated internal AI Tooling Team