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Technologist - Mechanical Design Engineering

Diamondfoundry

Bay Area, California permanent

Posted: August 14, 2025

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Quick Summary

We are seeking a Technologist - Mechanical Design Engineering to join our team in the Bay Area, where we are working on a multi-B expansion plan for diamond wafers using zero-emission energy.

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 chip. We are the rare unicorn that has grown fast and profitably. We received $515m in funding and are executing a multi-$B expansion plan for one of the greenest forms of tech manufacturing: converting greenhouse gas into diamond wafers using zero-emission energy.

Diamond Foundry is looking for a highly experienced and innovative mechanical design engineer who can lead a number of high-visibility R&D projects within the company’s Reactor Development Group. This individual will be a primary owner for the design and development of Plasma-Enhanced CVD reactor equipment and other systems used in the growth and manufacture of diamond. They must have experience leading multiple projects and teams with a strong track record of success.


Responsibilities:
• Serve as a mentor to other team members and collaborate effectively in a team environment. Lead projects that span multiple company departments
• Oversee the manufacturing of machined components and guide designs from R&D to production. Perform trades on performance vs. cost to ground design decisions.
• Design and develop new reactor systems and components, applying expertise in machine design, mechanics, thermals, and fluids to the design. Perform analytical or numerical analysis to evaluate designs.
• Manage the prototyping, documentation, and manufacturing process of reactor designs, including preparing drawings and working with machine shops and vendors.
• Troubleshoot issues on existing reactor hardware, working with other engineers to implement design changes that improve productivity and yield of our reactors


Requirements:
• 10+ years of professional experience in mechanical design. An advanced degree in mechanical or aerospace engineering is preferred
• Expert-level knowledge in mechanical design for high-vacuum systems and components. Prior experience with the design of semiconductor tools, accelerators, or vacuum electronics is desired
• High proficiency in CAD (SolidWorks) and PLM (Teamcenter) software
• Extensive experience with various manufacturing methods, including hands-on experience with common industrial machine tools. A solid understanding and experience in designing electromechanical systems
• An optimistic, creative, and curious mindset with a strong desire to be hands-on with their hardware designs


Diamond Foundry believes in supporting our employees from the workplace to their personal and home life. We provide eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. Perks include employee discounts to VRAI. Our benefits begin as early as your first day of employment. Medical and vision coverage are retroactive to your start date, while dental and voluntary benefits take effect once you’ve completed your enrollment.

Diamond Foundry is an Equal Opportunity Employer and considers qualified applicants for employment without regard to race, color, creed, religion, national origin, sex, sexual orientation, gender identity and expression, age, disability, veteran status, or any other protected factor under federal, state or local law.

Diamond Foundry Inc. is committed to operating in full compliance with all applicable state and federal laws. Our commitment extends to ensuring that our manufacturing and engineering departments adhere to the highest standards of legal and regulatory compliance. Additionally, these departments may have specific physical requirements to ensure the safety and efficiency of our operations. We prioritize the well-being of our employees and strive to create a work environment that promotes both legal compliance and the optimal functioning of our manufacturing and engineering processes.

Manufacturing and Engineering Departments Physical Requirements:
-Use appropriate PPE and follow all safety policies, practices, and procedures.
-This position will often: Sit, stand for long periods, walk, grasp, reach with hands and arms, lift below and above shoulders, bend, twist at the waist, climb, balance, stoop, squat, kneel, crawl, talk, hear, see, use fine finger manipulation, and complete repetitive motions.
-Some tasks may require the use of ladders or stairs
-Some tasks may require driving or the use of foot controls
-Lift/carry and push/pull up to 50 pound

This employer participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S.
If E-Verify cannot confirm that you are authorized to work, this employer is required to give you written instructions and an opportunity to contact Department of Homeland Security (DHS) or Social Security Administration (SSA) so you can begin to resolve the issue before the employer can take any action against you, including terminating your employment.
Employers can only use E-Verify once you have accepted a job offer and completed the Form I-9.

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