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d-Matrix is seeking an experienced Mechanical Engineer to lead rack-scale mechanical design for an AI inference hardware platform. You will own mechanical systems through their entire lifecycle—from concept and validation to mass production—working closely with thermal, electrical, software, and systems engineering teams.
In this hands-on role, you will lead mechanical design for the AI inference hardware platform at rack scale in compliance with OCP (Open Compute Project) specifications. You will design and validate chassis mechanical systems, sheet metal enclosures, cooling architectures, and high-power connections. You own the full product lifecycle from design and validation through NPI (New Product Introduction) to mass production.
Key responsibilities include conducting mechanical reliability testing (shock, vibration, thermal cycling) and leading 3D modeling, FEA, and tolerance analysis to validate designs for manufacturability. You will partner with suppliers, ODMs, CMs, and JDMs to develop custom mechanical and thermal components and manage manufacturing support through production ramp. You will debug and resolve quality issues surfaced during NPI and production, driving root-cause analysis and corrective action.
You will review and sign off on liquid-cooled cold plate and manifold integration at the rack level, ensuring compatibility with CDU interfaces and facility water connections. You will develop specifications and test procedures for reliability and performance, mentor engineers across the design lifecycle, and evaluate new technologies and methodologies to improve mechanical and thermal performance while ensuring compliance with quality standards through product launch.
This role partners closely with a Card & Sub-Chassis Mechanical Engineer who owns card-level design and the MCM-to-cold-plate interface; you are expected to have sufficient liquid-cooling fluency to review and integrate that work at the rack level but not duplicate card/cold-plate ownership.
REQUIREMENTS:
- Bachelor's degree in mechanical engineering or related field
- 10+ years of industry experience in mechanical design, simulation, and validation for IT hardware, with demonstrated technical leadership of full rack-scale programs
- Hands-on experience with OCP specifications and rack-scale system design
- Strong background in chassis mechanical design, sheet metal design/fabrication, and design-for-manufacturability (DFM) at high volume
- Experience running and interpreting shock and vibration testing
- Proven track record taking designs from concept through validation to mass production (NPI to MP)
- Direct experience working with suppliers, ODMs, CMs, and/or JDMs on hardware development
- Strong debugging and root-cause analysis skills for mechanical/quality issues in production environments
- Proficiency in CAD tools and FEA
- Expertise in GD&T and tolerance stack-up analysis, and materials selection for structural and thermal performance in chassis/enclosure design
- Self-driven and detail-oriented, comfortable working independently or across engineering teams
PREFERRED QUALIFICATIONS:
- Master's degree in mechanical engineering or related field
- 15+ years of industry experience in mechanical design, simulation, and validation for IT hardware
- Experience with data center hardware or high-performance computing systems at scale
- Familiarity with liquid-cooled rack architectures (cold plates, manifolds, CDUs, facility water interfaces) sufficient to review and integrate card-level cooling designs at the rack level
- Direct hands-on cold plate or manifold design experience, beyond rack-level integration
- Deep understanding of reliability testing, failure analysis, and thermal stress modeling for electronic components
