Sr. Mechanical Design Engineer

Diamondfoundry; San Francisco (CA); On-site; USD 140,000 - 210,000; Full time

Benefits offered by this job

Health insurance

Flexible spending accounts

Retirement savings plans

Life and disability insurance

Paid time away from work

Employee discounts to VRAI

Job summary

Diamond Foundry is seeking a highly experienced mechanical design engineer to lead several high-visibility R&D projects in Reactor Development. You will own the design and development of Plasma‑Enhanced CVD reactor equipment and related systems for diamond growth and manufacturing.

Ideal candidates have strong hands‑on hardware experience, CAD proficiency (SolidWorks), and a track record of leading multiple projects with teams. This full-time role is based in San Francisco, CA.

Qualifications

• A degree in mechanical, aerospace, or a similar engineering discipline is required.
• 2 to 7 years of professional experience in mechanical design.
• Vacuum system design experience is desired.
• Understanding manufacturing methods and common tools is needed.
• SolidWorks CAD proficiency is required.
• Experience with electromechanical components and PLCs is desirable.
• Thermal or fluid modeling knowledge is a plus.
• Hands-on mindset with hardware design is valued.

Responsibilities

• Collaborate with reactor team members on new reactor systems and parts.
• Oversee machining of components and guide designs from R&D to production.
• Design and develop reactor systems using mechanics, kinematics, thermal, and fluids expertise.
• Manage prototyping, documentation, and vendor fabrication for new hardware.
• Troubleshoot existing reactor designs and implement design changes to improve yield.

Skills

Mechanical design

Project leadership

Vacuum system design

PLC systems

Thermal/fluids modeling

Hands-on hardware

Education

Bachelor's degree in Mechanical or Aerospace Engineering

Tools

SolidWorks

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 with $515 million in funding and a multi‑billion expansion plan to convert 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

• Collaborate with reactor team members and other teams in the company on new reactor systems, assemblies and parts.
• 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 and mechanics, kinematics, thermals, and fluids to the design.
• Manage the prototyping, documentation, and manufacturing process of reactor designs, including preparing drawings and working with machine shops and vendors to fabricate new hardware.
• Troubleshoot issues on existing reactor designs, working with other engineers to implement design changes that improve productivity and yield of our reactors.

Qualifications

• A degree in mechanical, aerospace, or a similar engineering discipline is required. 2 to 7 years of professional experience in mechanical design.
• Prior experience with vacuum system design as found in semiconductor, aerospace, or other manufacturing industries is desired.
• Understanding and experience with various manufacturing methods and common industrial machine tools.
• High proficiency in CAD (SolidWorks).
• Experience with electromechanical components and PLC systems and industrial controls is desirable. A solid foundation in thermal or fluid modeling is desirable.
• An optimistic, creative, and curious mindset with a strong desire to be hands‑on with hardware designs.

Benefits

Diamond Foundry believes in supporting our employees from the workplace to their personal and home life. Eligible employees can enroll in a variety of benefit programs, including health insurance, flexible spending accounts, retirement savings plans, life and disability insurance, and paid or unpaid time away from work. Perks include employee discounts to VRAI. 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 after enrollment.

EEO Statement

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.

Physical Requirements

• Use appropriate PPE and follow all safety policies, practices, and procedures.
• Position will often include sitting, standing for long periods, walking, grasping, reaching with hands and arms, lifting below and above shoulders, bending, twisting at the waist, climbing, balancing, stooping, squatting, kneeling, crawling, talking, hearing, seeing, using fine finger manipulation, and completing 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.

E-Verify

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 the Department of Homeland Security or Social Security Administration 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.