Staff Materials and Process Engineer
mainspringenergy
Senior Materials and Process Engineer
mainspringenergy· Materials Engineering
About this role
About Mainspring
Mainspring Energy manufactures and delivers fuel-flexible, low-emissions local power solutions that rapidly add new capacity and deliver reliable, affordable, and sustainable electric power. The company began commercial shipments of its Mainspring Linear Generators in 2020 and today has hundreds of megawatts in advanced development and field operations for leading Fortune 500 companies, data centers, and utilities. Mainspring also partners with global energy leaders including AEP, NextEra Energy Resources, Schneider Electric, and more.
The core values that ground our work, guide our decisions, and connect us together:
Pragmatic Optimism
Excellence without Ego
Proactive Collaboration
Job Overview
We have a high-impact opportunity for a Senior 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.
In this role, you will develop reliable cost effective materials solutions and manage existing solutions through validation testing, process development and deployment on an actual part/subassembly. This is a great opportunity to be part of cross functional projects and collaborate with multiple teams such as Supply chain, Quality, Reliability, Design and Production.
Frequently Asked Questions
What is the salary for the Senior Materials and Process Engineer role at mainspringenergy?
The listed salary for this Senior Materials and Process Engineer position at mainspringenergy is USD 126K–148K. This is an Salary role.
Where is the Senior Materials and Process Engineer position at mainspringenergy located?
This Senior Materials and Process Engineer role at mainspringenergy is based in Menlo Park, CA. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Senior Materials and Process Engineer role at mainspringenergy full-time or part-time?
This is listed as a Salary position. It is posted as a Senior Materials and Process Engineer role in the Materials Engineering department at mainspringenergy.
Which team or department does the Senior Materials and Process Engineer at mainspringenergy belong to?
This Senior Materials and Process Engineer position is part of the Materials Engineering department at mainspringenergy. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Senior Materials and Process Engineer position at mainspringenergy?
Click the "Apply Now" button on this page. You will be redirected to mainspringenergy's official application portal hosted on lever where you can submit your application directly.
When was the Senior Materials and Process Engineer job at mainspringenergy posted?
This Senior Materials and Process Engineer position at mainspringenergy was posted on Aug 13, 2026. Apply as soon as possible — early applications are often reviewed first.
Senior Materials and Process Engineer
mainspringenergy · 💰 USD 126K–148K
You'll be redirected to mainspringenergy's official application page on Lever.