For all inquiries, please use one of these points of contact:

General Questions


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

Opportunities at
World Positive Startups

Leverage our network to build your career.
Tell us about your professional DNA to get discovered by any company in our network with opportunities relevant to your career goals.

Mechanical Engineer

Diamond Foundry

Diamond Foundry

San Francisco, CA, USA
Posted on Wednesday, September 13, 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.
We're seeking an engineer to design assemblies for high-tech vacuum manufacturing equipment, collaborating across multiple engineering disciplines. You'll work with an experienced team of mechanical, electrical, and materials engineers and scientists, responsible for taking projects from concept to fully tested and documented assemblies.


  • Designing, engineering, building, testing, and optimizing parts for vacuum manufacturing systems.
  • Specification and/or design of facility-level equipment.
  • Managing multiple suppliers to construct parts and assemblies on time and within budget.
  • Selecting and integrating off-the-shelf hardware for process control, product quality measurement, and automated manufacturing tasks.
  • Working with a multidisciplinary team and learning new skills where necessary.
  • Improve existing equipment designs by identifying areas for improvement and leading design changes.
  • Developing assembly procedures and documentation for use by technicians.


  • Bachelor's degree in ME or similar from a top tier school.
  • 5+ years of engineering experience.
  • Independent problem solver.
  • Solidworks expert: 3 years minimum of full-time use.
  • Software: 3D/2D CAD, FEA (Ansys), LabVIEW, PLC ladder logic, SQL, other programming knowledge.
  • Knowledge of UHV vacuum manufacturing equipment and associated sensors and components (Pumps, valves, pressure sensors, spectrometers, MFC's, pressure controllers, pyrometers, etc.).
  • Hands on fabrication: Machining (mill/lathe), soldering, and electrical assembly.
  • Experience working in a manufacturing environment.
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.