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Sr Mechanical Engineer, Automation

Diamond Foundry - San Jose, CA, United States - In-office - posted 2026-10-19

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Diamond Foundry is addressing thermal limitations in AI & cloud compute, electric-car power electronics, and 5G/6G wireless by producing single-crystal diamond wafers. The company has achieved unicorn status, raised $515M in funding, and is executing a multi-billion-dollar expansion plan focused on converting greenhouse gas into diamond wafers using zero-emission energy. As a Senior Mechanical Engineer specializing in Automation, you will lead hands-on design, development, and optimization of semiconductor-grade equipment for handling, processing, and characterizing diamond wafer products. You will collaborate with vendors and cross-functional teams to design and integrate complex semiconductor equipment components and automation systems into production lines. Working closely with manufacturing and process engineers, you will develop and implement automation solutions that enhance system efficiency, throughput, and reliability. You will generate clear, detailed documentation of equipment designs, integration processes, and troubleshooting procedures. This role involves significant hands-on work in a manufacturing and engineering environment. You will often sit, stand for long periods, walk, grasp, reach with hands and arms, lift below and above shoulders, bend, twist, climb, balance, stoop, squat, kneel, crawl, and complete repetitive motions. Some tasks may require the use of ladders, stairs, driving, or foot controls. You may need to lift, carry, push, or pull up to 50 pounds. Appropriate PPE and adherence to all safety policies are required. REQUIREMENTS: - Bachelor's or Master's degree in Mechanical Engineering or related field with 8–10 years of experience in equipment design, especially automation equipment - Expertise in 3D/2D CAD (e.g., SolidWorks, AutoCAD) - Experience with automation including robotics, fixturing, and related manufacturing tools; PLC programming, robotics, and Python are helpful - Experience with fabrication (machining, soldering, electro-mechanical assembly, lathe/mill, 3D printing, welding); semiconductor experience is a bonus (wafer handling, deposition, etching) - Experience in GD&T and conducting micron-level tolerance analysis

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