Reliability Test Engineer, Special Projects

mainspringenergy· Product Testing
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📍 Menlo Park, CASalary💰 USD 108K–124K

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 The Linear Generator is a sophisticated, automated, and integrated system spanning a wide range of engineering disciplines including thermodynamics, mechanical, electrical, software, and controls. This position will lead the operation and execution of experiments on our Linear Generators as part of Mainspring’s test engineering team. This includes hands-on work and remote operation of our Linear Generator qualification units, debugging, and data analysis aimed at qualifying new changes and reliability of our product. This position will require travel up to 30% time to our testing site in Houston, Texas.  We are looking for an open-minded, curious, and highly motivated Test Engineer to join our dynamic test engineering team. You will lead critical sub-system and system-level validation and reliability tests on new releases of our product. This role will require strong collaboration across the entire engineering and business organization.

Frequently Asked Questions

What is the salary for the Reliability Test Engineer, Special Projects role at mainspringenergy?
The listed salary for this Reliability Test Engineer, Special Projects position at mainspringenergy is USD 108K–124K. This is an Salary role.
Where is the Reliability Test Engineer, Special Projects position at mainspringenergy located?
This Reliability Test Engineer, Special Projects 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 Reliability Test Engineer, Special Projects role at mainspringenergy full-time or part-time?
This is listed as a Salary position. It is posted as a Reliability Test Engineer, Special Projects role in the Product Testing department at mainspringenergy.
Which team or department does the Reliability Test Engineer, Special Projects at mainspringenergy belong to?
This Reliability Test Engineer, Special Projects position is part of the Product Testing department at mainspringenergy. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Reliability Test Engineer, Special Projects 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 Reliability Test Engineer, Special Projects job at mainspringenergy posted?
This Reliability Test Engineer, Special Projects position at mainspringenergy was posted on May 12, 2026. Apply as soon as possible — early applications are often reviewed first.
Reliability Test Engineer, Special Projects
mainspringenergy · 💰 USD 108K–124K
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You'll be redirected to mainspringenergy's official application page on Lever.