Lead Mechanical Engineer, AI Accelerator Systems

DensityAI, Inc.; Mountain View (CA); On-site; USD 170,000 - 260,000; Full time

Benefits offered by this job

Equity grant

Medical/dental/vision insurance

401(k)

Paid time off

Job summary

DensityAI, Inc. seeks an experienced mechanical design lead for AI accelerator systems, from module to datacenter, focusing on power delivery, cooling, and high‑speed connectivity.

You will own tolerance stack‑ups, run structural and shock analyses, and collaborate with thermal, electrical, and packaging teams to deliver robust, manufacturable designs.

Equity, benefits, and a California salary range of $170k–$260k are offered.

Qualifications

• 5+ years of mechanical design experience on high-power data center systems.
• Experience leading design from concept through high-volume production.
• Strong proficiency in 3D CAD modelling and GD&T.

Responsibilities

• Accelerator module mechanical design including structure, retention, load, board integration, PCBA co-design and stress analysis.
• Tray design including chassis structure, component layout, cable routing, blind-mate alignment, serviceability.
• Collaborate with thermal, electrical, packaging, and manufacturing teams; drive DFM/ DFA with CM and ODM partners.
• Own products through lifecycle: design, prototyping, validation campaigns, NPI, high-volume manufacturing, field failure analysis and service.
• Rack-level mechanical architecture: weight distribution, power/cooling distribution, cable management, and standards compliance.
• Integrate liquid cooling: cold plate mounting, manifold routing, quick disconnects, leak detection and containment.
• Drive structural and dynamic analysis (FEA, shock, vibration, seismic, shipping) and tolerance stack-up across interfaces.
• Develop and use AI-assisted tool flows to accelerate design, analysis, and signoffs.

Skills

High-power design

3D CAD modeling

GD&T tolerance

Thermal integration

DFM collaboration

FEA analysis

Cross-functional work

Tools

3D CAD software

Job description

DensityAI, Inc. seeks an experienced mechanical design lead for AI accelerator systems, from module to datacenter, focusing on power delivery, cooling, and high‑speed connectivity.

You will own tolerance stack‑ups, run structural and shock analyses, and collaborate with thermal, electrical, and packaging teams to deliver robust, manufacturable designs.

Equity, benefits, and a California salary range of $170k–$260k are offered.