Sr. Mechanical Design Engineer

Diamond Foundry

Bay Area, California

Full Time

Posted December 11, 2025

$125k - $165k

Power Generation

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Job Description

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.

Key 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