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Electrical Engineer, Inverter Systems Engineer

Mainspringenergy
United States
Posted Apr 10, 2026

Summary:

Job Overview The technology that powers Mainspring’s Linear Generator is unlike any other generator technology on the market. The Linear Generator relies on innovative electrical power and control hardware systems to achieve its best-in-class efficiency while meeting the world’s strictest emissions

Employment Type: Salary

Salary: 114000 - 130000 USD per-year-salary

Staff Electrical Engineer, Power Electronics

Mainspringenergy
United States
Posted Apr 07, 2026

Summary:

Job Overview The technology that powers Mainspring’s Linear Generator is unlike any other generator technology on the market. The Linear Generator relies on innovative electrical power and control hardware systems to achieve its best-in-class efficiency while meeting the world’s strictest emissions

Employment Type: Salary

Salary: 157000 - 185000 USD per-year-salary

Senior Electrical Engineer, Power Electronics

Mainspringenergy
United States
Posted Apr 07, 2026

Summary:

Job Overview The technology that powers Mainspring’s Linear Generator is unlike any other generator technology on the market. The Linear Generator relies on innovative electrical power and control hardware systems to achieve its best-in-class efficiency while meeting the world’s strictest emissions

Employment Type: Salary

Salary: 130000 - 153000 USD per-year-salary

Fleet Operations & Analytics Engineer (Sun - Thurs)

Mainspringenergy
United States
Posted Apr 06, 2026

Summary:

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. As a member of our Fleet Operations & Analytics Team, you will be part of a dynamic group

Employment Type: Salary

Salary: 109000 - 123000 USD per-year-salary

Fleet Operations & Analytics Engineer (Tues - Sat)

Mainspringenergy
United States
Posted Apr 06, 2026

Summary:

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. As a member of our Fleet Operations & Analytics Team, you will be part of a dynamic group

Employment Type: Salary

Salary: 109000 - 123000 USD per-year-salary

Staff Electrical Engineer, Hardware Systems

Mainspringenergy
United States
Posted Mar 23, 2026

Summary:

Job Overview The technology that powers Mainspring’s Linear Generator is unlike any other generator technology on the market. The Linear Generator relies on innovative electrical power and control hardware systems to achieve its best-in-class efficiency while meeting the world’s strictest emissions

Employment Type: Salary

Salary: 157000 - 185000 USD per-year-salary

Senior Electrical Engineer, Hardware Systems

Mainspringenergy
United States
Posted Mar 23, 2026

Summary:

Job Overview The technology that powers Mainspring’s Linear Generator is unlike any other generator technology on the market. The Linear Generator relies on innovative electrical power and control hardware systems to achieve its best-in-class efficiency while meeting the world’s strictest emissions

Employment Type: Salary

Salary: 130000 - 153000 USD per-year-salary

Director of Customer Success

Mainspringenergy
United States
Posted Mar 23, 2026

Summary:

Job Overview Mainspring Energy is scaling deployment of its Linear Generator—a new category of flexible, low-emissions onsite power designed to support a net-zero grid. As deployments expand, we are seeking a Director of Customer Success to own the customer experience following system commissioning

Employment Type: Salary

Salary: 188000 - 230000 USD per-year-salary

Senior EH&S Specialist

Mainspringenergy
United States
Posted Mar 20, 2026

Summary:

Job Overview The Senior EH&S Specialist leads the development, implementation, and continuous improvement of Environmental, Health and Safety programs across the site. Acting as a subject matter expert in environmental compliance and occupational safety, this role independently manages complex EHS i

Employment Type: Salary

Salary: 102000 - 120000 USD per-year-salary

Senior Field Service Technician (Indiana)

Mainspringenergy
United States
Posted Mar 19, 2026

Summary:

Job Overview We are searching for highly motivated, mechanically inclined individuals to join our growing Field Service team. In this position, you will play a direct role in completing planned and reactive service operations on our generators. In this position, you will play a key role in maintaini

Employment Type: Hourly

Salary: 35 - 50 USD per-hour-wage

Field Service Technician (Indiana)

Mainspringenergy
United States
Posted Mar 19, 2026

Summary:

Job Overview We are searching for highly motivated, mechanically inclined individuals to join our growing Field Service team. In this position, you will play a direct role in completing planned and reactive service operations on our generators. In this position, you will play a key role in maintaini

Employment Type: Hourly

Salary: 26 - 35 USD per-hour-wage

Senior Field Service Technician

Mainspringenergy
United States
Posted Mar 19, 2026

Summary:

Job Overview We are searching for highly motivated, mechanically inclined individuals to join our growing Field Service team. In this position, you will play a direct role in completing planned and reactive service operations on our generators. In this position, you will play a key role in maintaini

Employment Type: Hourly

Salary: 39 - 55 USD per-hour-wage

Field Service Technician

Mainspringenergy
United States
Posted Mar 19, 2026

Summary:

Job Overview We are searching for highly motivated, mechanically inclined individuals to join our growing Field Service team. In this position, you will play a direct role in completing planned and reactive service operations on our generators. In this position, you will play a key role in maintaini

Employment Type: Hourly

Salary: 29 - 39 USD per-hour-wage

Test Engineer, Product Qualification

Mainspringenergy
United States
Posted Mar 19, 2026

Summary:

Job Overview Our Linear Generator is a sophisticated, automated, and integrated system spanning a wide range of engineering disciplines including thermodynamics, mechanical, electrical, software, and controls. We are looking for a driven, highly motivated Product Qualification Test Engineer to join

Employment Type: Salary

Salary: 108000 - 123600 USD per-year-salary

R&D Test Engineer

Mainspringenergy
United States
Posted Mar 19, 2026

Summary:

Job Overview Mainspring is seeking an R&D Test Engineer who likes to solve challenging cross-functional problems in both a research and production environment. In this role, you will design and execute tests on the Linear Generator, focusing on instrumentation, data acquisition and analysis of compl

Employment Type: Salary

Salary: 108000 - 123600 USD per-year-salary

Senior R&D Mechanical Technician

Mainspringenergy
United States
Posted Mar 19, 2026

Summary:

Job Overview We are seeking enthusiastic and resourceful individuals with a strong mechanical background to join our growing Research & Development team as R&D Technicians. If you have a knack for mechanics, enjoy tackling novel challenges, and possess a passion for improvisation and creative proble

Employment Type: Hourly

Salary: 36 - 51 USD per-hour-wage

Electrical Engineer, Power Electronics

Mainspringenergy
United States
Posted Mar 17, 2026

Summary:

Job Overview The technology that powers Mainspring’s Linear Generator is unlike any other generator technology on the market. The Linear Generator relies on innovative electrical power and control hardware systems to achieve its best-in-class efficiency while meeting the world’s strictest emissions

Employment Type: Salary

Salary: 114400 - 153000 USD per-year-salary

Director of Projects

Mainspringenergy
United States
Posted Mar 09, 2026

Summary:

Job Overview   A key enabler of Mainspring’s mission to bring its scalable, fast-ramping, fuel-flexible capacity to the world is the ability to seamlessly execute the design, permitting, construction, and commissioning of projects. To that end, Mainspring wishes to hire a Project Executive to overse

Employment Type: Salary

Salary: 205000 - 242000 USD per-year-salary

Remote

Senior Project Manager

Mainspringenergy
United States
Posted Mar 06, 2026

Summary:

Job Overview A key enabler of Mainspring’s mission is the ability of its team to deliver solutions based on our linear generator technology that solve customer problems in the cross-section of resiliency and clean power generation. This includes site due diligence, design engineering, permitting, c

Employment Type: Salary

Salary: 109000 - 128750 USD per-year-salary

Remote

Senior Sales Engineer

Mainspringenergy
United States
Posted Mar 03, 2026

Summary:

Job Overview The Senior Sales Engineer reports to the Senior Sales Engineering Manager and serves as a senior technical contributor within the sales cycle for solution architecture, estimating, and system integration strategy. As a member of the Sales Engineering team (a subset of Project Delivery

Employment Type: Salary

Salary: 127500 - 150000 USD per-year-salary

Senior Mechanical Engineer - Frame and Air Spring

Mainspringenergy
United States
Posted Feb 28, 2026

Summary:

Senior Mechanical Engineer - Frame and Air Spring Mainspring Energy is seeking a talented Mechanical Engineer to join the team responsible for the design and development of the frame support structure and air spring system for our innovative Linear Generator technology. These systems are critical f

Employment Type: Salary

Salary: 132000 - 156000 USD per-year-salary

Senior Mechanical Design Engineer - Metal Structures

Mainspringenergy
United States
Posted Feb 28, 2026

Summary:

Senior Mechanical Design Engineer - Metal Structures Mainspring is looking for Senior Mechanical Design Engineers with a focus on designing sheet metal components and assemblies.  In this role, you will be responsible for developing and improving designs, overcoming DFM challenges, managing vendors

Employment Type: Salary

Salary: 132000 - 156000 USD per-year-salary