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Mainspringenergy

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67 open positions
Last updated Jun 23, 2026
Remote13%
Hybrid13%
On-site74%
Salary shown98%
Avg. listing115d
This month21 new · 15 closed

Senior Mechanical Engineer - Thermal / Fluids Hardware Design

$132k–$156k/year
79
High

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 EngineerSalarySenior
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0 0 0 New 1d ago

Mechanical Engineer - Thermal / Fluids Hardware Design

$114k–$130k/year
79
High

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 EngineerSalaryMid
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0 0 0 New 1d ago

Tax Manager

$116k–$175k/year
79
High

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

Finance & AccountingTax SpecialistSalaryMid
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0 0 0 New 1d ago

Staff Reliability Engineer, Electrical Systems

$151k–$178k/year
79
High

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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2 0 0 5d ago

Staff Mechanical Engineer - Battery Design

$172k–$203k/year
79
High

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

OtherStaff Mechanical EngineerSalaryLead
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2 0 0 5d ago

Staff Electrical Systems & Sustaining Engineer

$157k–$185k/year
81
High

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

OtherSustaining EngineerSalaryLead
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2 0 0 5d ago

Senior Electrical Systems & Sustaining Engineer

$130k–$153k/year
81
High

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

OtherSustaining EngineerSalarySenior
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2 0 0 5d ago

Fleet Operations & Analytics Engineer

$109k–$123k/year
72
High

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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1 0 0↻ Repost 6d ago

Field Service Operations Supervisor (Salinas, CA)

$88k–$104k/year
56
Med

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

OtherOperations SupervisorSalaryMid
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0 0 0 8d ago

Senior Field Service Technician (Ohio)

$35–$50/hour
72
High

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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3 0 0↻ Repost 8d ago

Field Service Technician (Ohio)

$26–$35/hour
72
High

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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1 0 0↻ Repost 8d ago
M
Mainspringenergy·United StatesUnited States·Edison·Remote · United States

Technical Talent Sourcer (6-Month Contract)

76
High

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

OtherTalent SourcerContractMid
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2 0 0 11d ago

Senior Field Service Technician (Stockton, CA or Tracy, CA)

$35–$50/hour
72
High

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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2 0 0↻ Repost 11d ago

Field Service Technician (Stockon, CA or Tracy, CA)

$26–$35/hour
72
High

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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1 0 0↻ Repost 11d ago

Director / Senior Director of Accounting

$183k–$257k/year
56
Med

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

OtherAccountingSalarySenior
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1 0 0 12d ago

Senior Field Service Technician (Salinas, CA)

$35–$50/hour
72
High

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 13d ago

Field Service Technician (Salinas, CA)

$26–$35/hour
72
High

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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2 0 0↻ Repost 13d ago

Staff Supplier Quality Engineer - Special Processes

$136k–$160k/year
81
High

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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2 0 0 14d ago
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Mainspringenergy·United StatesUnited States·Edison·Remote · United States

Director, Electrical Strategic Sourcing

$188k–$221k/year
65
Med

Job Overview We are seeking a Director, Electrical Strategic Design Sourcing to build and lead the electrical commodity supply chain function. Reporting to the VP of Supply Chain, this role directs a team of commodity managers and program resources, owns the departmental budget, and participates wit

OtherStrategic SourcingSalaryExecutive
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1 0 0 18d ago

Senior Manufacturing Engineer - DFM

$116k–$136k/year
79
High

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

Manufacturing EngineerManufacturing & ProductionSalarySenior
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2 0 0 18d ago