Salary
$125k – $165k per year
Location
In office
Seniority
Senior · 4+ years exp
Visa
H-1B filings in 12 months: 11
Employment
Full-Time
Confirmed on the employer's own hiring board on Oct 23, 2026. First seen by Alion on Dec 11, 2025. Diamond Foundry scores B on the Alion truth index.
Overview
Company
Impact
Profile match
Headquartered in San Francisco, California, Diamond Foundry is a technology firm that specializes in the production of lab-grown diamonds and high-performance single-crystal diamond wafers. The company leverages zero-emission, proprietary plasma reactor technology to manufacture synthetic gems for the luxury jewelry market as well as diamond substrates for semiconductor applications. Additionally, it supplies ultra-thermal conductivity solutions to optimize power efficiency in advanced microelectronics, electric vehicle systems, and artificial intelligence hardware.
Backed by Long Journey Ventures, Obvious Ventures
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
Requirements
- A degree in mechanical, aerospace, or a similar engineering discipline is required. Plus, 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 with common industrial machine tools. High proficiency in CAD (SolidWorks)
- An understanding of electromechanical components and experience with 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 their hardware designs
Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
1,961,555 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Free forever. No card. Under a minute.
Your match
How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.
Recommended for you based on this role
Industrial Engineering
Similar stack
Same company
In your city
Engineer II
14 days ago
≈ $73k – $133k per year (Estimated) • In office • 2+ years exp • High School Diploma • Amelia Island
Apply
≈ $69k – $126k per year (Estimated) • Equity • In office • Full-Time • 4+ years exp • Associate's Degree • Marion
Life Sciences
GMP
Apply
Senior R&D Engineer- Electrophysiology
1 day ago
$78k – $156k per year • In office • Full-Time • 5+ years exp • Bachelor's Degree • Plymouth
Apply
$78k – $156k per year • In office • Full-Time • 3+ years exp • High School Diploma • Madison
Cybersecurity
HIPAA
Management
Kanban
Life Sciences
GLP
MedTech
CAPA
Apply
Sr. Process Improvement Specialist
1 day ago
$94k – $129k per year • In office • 4+ years exp • Bachelor's Degree • Vista
Chips/EDA
Minitab
Analytics
Power BI
Management
Oracle ERP
Life Sciences
GMP
MedTech
CAPA
Apply
Plant Engineering Leader
2 days ago
$88k – $148k per year • In office • 10+ years exp • Bachelor's Degree • Pennsauken
Design
SolidWorks
MedTech
CAPA
Apply
Manufacturing Engineering Intern
2 days ago
$42k – $58k per year • In office • Internship • Bachelor's Degree • Cleveland
Analytics
Tableau
Power BI
Microsoft Excel
Design
SolidWorks
AutoCAD
Apply
Lead Manufacturing Engineer
2 days ago
≈ $103k – $207k per year (Estimated) • In office • Full-Time • 7+ years exp • Bachelor's Degree • Memphis
Design
SolidWorks
AutoCAD
SpaceTech
GD&T
FMEA
Apply
NPI Manufacturing Engineer III (E3)
2 days ago
$96k – $132k per year • Equity • In office • Full-Time • 4+ years exp • Bachelor's Degree • Benicia
SPSS
Design
SolidWorks
Apply
Senior Engineer, Product Design
2 days ago
$105k – $151k per year • In office • 6+ years exp • Bachelor's Degree • San Clemente
Design
SolidWorks
Life Sciences
Design of Experiments
MedTech
Design Controls
Apply
Materials Process Engineer
3 days ago
$105k – $125k per year • In office • Full-Time • Bachelor's Degree
Python
Chips/EDA
JMP
Apply
Principal Laser Process Engineer
4 days ago
$150k – $180k per year • In office • Full-Time • 8+ years exp
Apply
Sr Mechanical Engineer, Automation
4 days ago
$135k – $170k per year • In office • Full-Time • 8+ years exp • Bachelor's Degree
Python
Design
SolidWorks
AutoCAD
SpaceTech
GD&T
Apply
Environmental Health & Safety (EHS) Generalist
1 month ago
$90k – $120k per year • In office • Contractor • 3+ years exp • Bachelor's Degree
Apply
$28k – $30k per year • In office • Full-Time • 2+ years exp • Zaragoza
Apply
This is one of many
1,961,555 more open roles from verified company boards, updated every day.

