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  3. R&D Test Engineer, Thermal/Mechanical/Reliability
Diamond Foundry logo

R&D Test Engineer, Thermal/Mechanical/Reliability

Diamond Foundry
Bay Area, California
Full Time
Posted June 26, 2026
$125k - $155k
Power Generation
~98 people viewed this recently
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Application opens on company website

Job Description

Diamond Foundry Inc. is solving the thermal limitation at the foundation of today's most exciting tech industries -- AI & cloud compute, electric-car power electronics, and 5G/6G wireless. We have managed to produce the world's first single-crystal diamond wafers and are now on a mission to put a diamond behind every c

Key Responsibilities

• Support customer prototyping projects through design and development of mechanical fixtures and experimental apparatus using CAD software, and coordinate fabrication with internal and external machine shops. • Coordinate accelerated lifetime reliability testing and environmental stress testing per industry standards to validate long-term performance and durability of SCD-on-silicon attachment methods, package integrity. • Design, build, operate, and troubleshoot thermal characterization test platforms to evaluate SCD thermal solutions on thermal test vehicles (TTVs) and customer hardware. • Develop assembly processes for prototype hardware, including thermal interfaces, mounted cooling solutions, and instrumentation integration as needed. • Manage project schedules, technical risks, cross-functional communication, customer updates, and technical reports.

Requirements

• Degree & Experience: BS or MS in Mechanical Engineering or a related discipline, with 2+ years of experience in mechanical/thermal engineering, test engineering, or product development. • Thermal & Reliability Testing: Experience with laboratory instrumentation and data acquisition systems (Preferred: thermal testing/characterization for packaged devices, liquid cooling solutions like fans/cold plates, and reliability/environmental stress testing). • Software & Simulation: Proficiency with CAD software (SolidWorks preferred) (Preferred: familiarity with FEA and CFD tools such as ANSYS Mechanical/Fluent, Icepak, or COMSOL). • Data Analysis & Fabrication: Experience creating engineering drawings to support fabrication, alongside data processing and analysis using MATLAB, Python, Excel, JMP, or similar tools (Preferred: familiarity with IC packaging, metrology, or failure analysis). • Professional Attributes: Strong problem-solving and communication skills, with a hands-on, detail-oriented mindset, comfortable working cross-functionally in a fast-paced R&D environment.

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