Surface Finishing R&D Technician

Diamond Foundry
Diamond Foundry

San Francisco, CA, USA

Posted on Jun 27, 2026
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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 seeking a skilled Technician to join our Surface Finishing team in Fremont, CA. As a surface finishing technician in the Research and Development group, you will be joining a small group focused on Quality, Efficiency & Cost in regard to Single Crystal Diamond surface finishing development. This position supports the Engineering effort through the preparation of and operation of surface finishing equipment and related metrology tools.

Responsibilities

  • Sample Preparation & Processing: Set up, operate, clean, and maintain specialized lapping, grinding, dry etching, and polishing equipment, including the manual preparation of required slurries.

  • Material Processing: Perform precision preparation and cleaning of samples through expert mounting, lapping, grinding, dry etching, and polishing workflows.

  • Engineering & Inspection Support: Assist the engineering team with various non-standard tests, specialized inspections, and ad-hoc laboratory procedures as required.

  • Equipment & Lab Maintenance: Conduct minor maintenance, troubleshooting, and routine upkeep of laboratory and machine shop equipment, tools, and workspaces.

  • Project Management & Communication: Maintain accurate system documentation and proactively update stakeholders on backlog status, project timelines, and operational progress.

Requirements

  • Education: Associate’s or Bachelor’s degree in a relevant technical or engineering field.

  • Experience: Minimum of 5 years of hands-on experience working directly in a professional lapping, grinding, and/or polishing environment.

  • Equipment Knowledge: Proven familiarity with industrial mechanical lapping and polishing equipment from industry-standard brands (e.g., LapMaster, Ravasum, Applied Materials, Engis).

  • Technical Inspection Skills: Demonstrated knowledge of advanced surface measurement and technical inspection techniques.

  • Physical & Operational Capability: Strong operational competency with abrasive equipment and the physical ability to lift at least 5 lbs in a laboratory setting.

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.

36 - 42 USD

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