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Mainspringenergy

Mainspringenergy

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Reputation
High
90 open positions
Last updated Oct 23, 2026
Remote15%
Hybrid14%
On-site71%
Salary shown98%
Avg. listing120d
This month13 new · 22 closed

Senior Staff, Contract Manufacturing & Strategic Partnerships

$166k–$195k/year
42
Low

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

OtherStrategic PartnershipsSalarySenior
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3 0 0 2mo ago

Staff Software Test and Automation Engineer

$140k–$165k/year
44
Low

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

EngineeringAutomation EngineerSalaryLead
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2 0 0 2mo ago

Staff Technical Program Manager, Software Engineering

$151k–$178k/year
42
Low

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

OperationsOtherStaff Technical Program ManagerProject ManagerSalaryLead
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3 0 0 2mo ago

Senior Failure Analysis Engineer

$117k–$138k/year
42
Low

Our Linear Generator is a sophisticated system integrating a wide range of engineering disciplines, including thermodynamics, mechanical, electrical, software, and controls. To support our rapid transition into volume manufacturing we are actively expanding the scope and size of our Failure Analysis

OtherFailure Analysis EngineerSalarySenior
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2 0 0 2mo ago

Electrical Engineer - Power Electronics

$124k–$147k/year
44
Low

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

EngineeringElectrical EngineerSalaryMid
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4 0 0 2mo ago

Staff Reliability Engineer, Electrical Systems

$151k–$178k/year
42
Low

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

EngineeringReliability EngineerSalaryLead
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4 0 0 4mo ago

Staff Mechanical Engineer - Battery Design

$172k–$203k/year
42
Low

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

EngineeringOtherMechanical EngineerStaff Mechanical EngineerSalaryLead
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6 0 0 4mo ago

Fleet Operations & Analytics Engineer

$109k–$123k/year
41
Low

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

Data EngineerDataSalaryMid
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5 0 0↻ Repost 4mo ago

Senior Field Service Technician (Salinas, CA)

$35–$50/hour
41
Low

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

Field Service TechnicianSkilled Trades & Field ServicesHourlySenior
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1 0 0↻ Repost 4mo ago

Field Service Technician (Salinas, CA)

$26–$35/hour
41
Low

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

Field Service TechnicianSkilled Trades & Field ServicesHourlyMid
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4 0 0↻ Repost 4mo ago

Staff Supplier Quality Engineer - Special Processes

$140k–$165k/year
44
Low

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

Supplier Quality EngineerProcurement & PurchasingSalaryLead
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4 0 0 4mo ago

Senior Buyer/Planner

$84k–$115k/year
42
Low

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

Procurement & PurchasingSenior BuyerSalarySenior
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5 0 0 4mo ago

Senior Mechanical Engineer - Electromechanical

$140k–$165k/year
42
Low

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

EngineeringMechanical EngineerMechanical Design EngineerSalarySenior
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5 0 0 4mo ago

Senior Reliability Engineer, Electrical Systems

$126k–$148k/year
42
Low

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

EngineeringReliability EngineerSalarySenior
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5 0 0 5mo ago

Electrical Engineer - Inverter & Grid Integration

$125k–$147k/year
42
Low

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

EngineeringOtherElectrical EngineerSystems Integration EngineerSalaryMid
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8 0 0 6mo ago

Staff Electrical Engineer - Power Electronics

$181k–$213k/year
44
Low

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

EngineeringElectrical EngineerSalaryLead
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6 0 0 6mo ago

Senior Electrical Engineer - Power Electronics

$147k–$173k/year
44
Low

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

EngineeringElectrical EngineerSalarySenior
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6 0 0 6mo ago

Director of Project Success

$188k–$230k/year
44
Low

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

OtherCustomer Success ManagerDirectorCustomer SuccessSalaryExecutive
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5 0 0 7mo ago

Senior Mechanical R&D Technician

$36–$51/hour
42
Low

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

OtherTrades & Skilled LaborMechanical TechnicianR&D TechnicianSkilled Trades & Field ServicesHourlySenior
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6 0 0 7mo ago
MainspringenergyMainspringenergy·United StatesUnited States·Menlo Park·Remote · United States

Senior Sales Engineer

$128k–$150k/year
51
Low

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

SalesSales EngineerSalarySenior
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2 0 0 7mo ago