# Senior/Staff Materials Process Engineer at Mainspring Energy

- Company: Mainspring Energy
- What the company does: Local power generation for data centers, utilities, industrial & enterprise applications. Fuel-flexible, fast to deploy, high-efficiency, low NOx power. Backed by General Catalyst and Khosla.
- Company website: https://www.mainspringenergy.com/
- Type: Startups
- Level: Senior
- Location: Menlo Park, CA
- Work setup: On-site
- Pay: $126K to $178K base salary per year (USD)
- Posted: 2026-08-18
- Apply by: 2026-10-08
- Apply: https://jobs.lever.co/mainspringenergy/89c7eaa1-7572-4a83-8da5-25add19ce5f0
- Page: https://www.1752.vc/careers/jobs/mainspring-energy-senior-staff-materials-process-engineer/

## About the role

We have a high-impact opportunity for a Materials and Process Engineer who wants to join a world-class engineering team and help scale production of the Linear Generator. The materials and process team at Mainspring Energy works on complex development projects which are at the intersection of properties, performance and processing of a wide range of materials – non ferrous, ferrous, coatings, graphite, polymers etc.

## What they're looking for

- BS in Materials Science/Engineering or Mechanical Engineering
- MS + 5 years or PhD + 3 years of industry experience
- Prior experience with metal casting processes (e.g., die casting, investment casting, sand casting) and their impact on part properties and performance is strongly preferred
- Fundamental understanding of properties and performance of engineering materials, and basic knowledge of structure-property relationships
- Broader exposure to other materials and process areas — such as coatings, polymers, graphite, forging, or joining/welding — is a plus
- Experience with volume production of metal or cast components is highly preferred

Tags: Mechanical Engr