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Obvious Ventures is located in the heart of the Presidio in San Francisco. Our entrance is on Graham Street, just north of the SFFD Fire Station. When you see WWII ballistics and cannonballs, you’re in the right place. Walk through the double doors, turn right, and head to the end of the hall. Suite 120 is the last office on the left.

220 Halleck Street,
Suite 120 San Francisco,
CA 94129 USA

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Lead Surface Finishing Technician

Diamond Foundry

Diamond Foundry

San Francisco, CA, USA
Posted on Wednesday, September 6, 2023
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 preparation of and operation of surface finishing equipment, and related metrology tools. The incumbent will be expected to work night shifts and weekends.


  • Preparation of samples by measuring, mounting, lapping, grinding & polishing when necessary.
  • Cleaning of samples.
  • Assist Engineering on various non-standard test/inspections as required
  • Post Surface Finishing measurements on WLI and AFM.
  • Minor maintenance of lab and machine shop equipment and tools.
  • Update system and stakeholders on backlog and progress.
  • Set up, operate, and clean Lapping & Polishing equipment.
  • Preparation Lapping and Polishing Slurries.


  • Associates or bachelor’s degree.
  • Minimum 5 years' experience working in Lapping, and/or polishing environment.
  • Knowledge of mechanical lapping and Polishing equipment from LapMaster, Ravasum, Applied Materials, Engis.
  • Knowledge of surface Measurement/Inspection techniques.
  • Experience with Lapping, Grinding and Polishing equipment.
  • Ability to work nights and weekends.
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 and catered lunches for onsite staff. All benefits offered are available starting your first day.
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.
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.