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Company · Conventional & nuclear power generators

Mainspring Energy

As of 2 November 2026, Mainspring Energy has 102 open roles (19 new in 30 days), its engineering (non-software) team is hiring most, and its postings name Python, SolidWorks and C++ as the tools the team works in.

As of 2 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.

Menlo Park, United States201-500 employees50M-250M revenue, est.B2B, B2Gmainspringenergy.com ↗LinkedIn ↗
Headquarters
Menlo Park, California, United States
Employees
201-500 employees (linkedin)
Sells to
utilities, data centers, enterprise
Certifications on site
Site languages
EN
Career system
Lever
102open roles · 19 new in 30 days
14tools named in postings
Mexico, United Stateshiring locations
0change signals read in postings
02What they do, whom they sell to, who else does it

Mainspring Energy in one screen

Read from mainspringenergy.com: what the company does, the customers it names, the buyers we can actually see, and the companies that sell the same thing.

What Mainspring Energy does

Mainspring Energy is a power infrastructure company that manufactures and deploys linear generators for onsite, dispatchable power. Its offerings include modular power units, solar firming, diesel reduction, and grid services, serving utilities, data centers, enterprise, and industrial customers. The technology operates grid-independently or in parallel, with low emissions and multi-fuel capability.

linear generatormodular power unitssolar firmingdiesel reduction
Whom it sells to

Named on the site: utilities, data centers, enterprise, industrial, industrial facilities.

Who else sells this

Nearest companies by what they do, sell and whom they serve, 51+ employees. 594 scored.

GenpowerTürkiye · 201-500 employeesPower SmartBulgaria · 51-200 employeesPowerLink Energy SolutionsUnited States · 51-200 employeesLegacy PowerUnited States · 51-200 employeesMilantractorItaly · 51-200 employeesSHRAISEUnited States · 51-200 employees
03Tech stack, with the evidence

What Mainspring Energy says it runs

Tools named in the company's own postings as the team's systems, with the sentence that says so. What the website and DNS show is listed separately.

PythonEngineering (non-software) · high confidence · 23 postings
• Use Python for data analysis, scripting, and system diagnostics
Sustaining Controls Engineer · first seen 2026-05-13
SolidWorksEngineering (non-software) · high confidence · 14 postings
• Establish the strategy for SolidWorks and CATIA usage, including scalable methods for full-product and other very large assemblies
Manager, CAD & Design Systems · first seen 2025-03-05
C++Engineering (non-software) · high confidence · 11 postings
• Analyze and understand C++ code to interpret behavior
Sustaining Controls Engineer · first seen 2026-07-30
ModbusEngineering (non-software) · high confidence · 8 postings
• Protocol Implementation: Develop and maintain communication interfaces using OPC-UA, Modbus, and other industrial protocols to ensure system interoperability
Staff Software Controls Engineer - Site Control · first seen 2026-02-07
OPC UAEngineering (non-software) · high confidence · 4 postings
• Protocol Implementation: Develop and maintain communication interfaces using OPC-UA, Modbus, and other industrial protocols to ensure system interoperability
Staff Software Controls Engineer - Site Control · first seen 2026-08-05
CATIAEngineering (non-software) · high confidence · 3 postings
• Establish the strategy for SolidWorks and CATIA usage, including scalable methods for full-product and other very large assemblies
Manager, CAD & Design Systems · first seen 2026-08-05
Embedded LinuxSoftware engineering · high confidence · 3 postings
Inside the generator is a network of computers combining embedded Linux and real-time bare metal applications.
Senior Embedded Software Manager · first seen 2026-08-11
Ignitionhigh confidence · 1 posting
dual contributor and technical lead, you will define the architecture for modernizing our operator interfaces using Ignition, building scalable, site-agnostic UI frameworks, and implementing robust industrial communication pipelines using O
Senior Staff Controls Software Engineer · first seen 2026-10-26
Amazon Web ServicesEngineering (non-software) · high confidence · 1 posting
• Manage computational resources on local hardware and on the cloud (AWS / GCP)
Staff CFD Modeling Engineer · first seen 2026-08-05
Google CloudEngineering (non-software) · high confidence · 1 posting
• Manage computational resources on local hardware and on the cloud (AWS / GCP)
Staff CFD Modeling Engineer · first seen 2026-08-05
Microsoft Excelmedium confidence · 8 postings
• Demonstrated experience with statistical data analysis and reporting (Matlab/Python, Google Sheets/Excel, Weibull++, etc.)
Senior/Staff Materials Process Engineer · first seen 2024-10-31
Microsoft Officemedium confidence · 3 postings
• Demonstrated technical computer system knowledge such as using Google or MS office software and using Terminal/Command lines to run tests
Electrical Upgrades Technician · first seen 2026-09-30
Google Workspacemedium confidence · 10 postings
• Strong working knowledge of Microsoft Office software (Word, Excel, Project, PowerPoint), and Google workplace applications.
Senior Project Coordinator · first seen 2026-01-14
DNP3medium confidence · 4 postings
Expert-level proficiency in OPC-UA, MQTT, Modbus, and DNP3 within secure industrial environments
Staff Software Controls Engineer - Site Control · first seen 2026-08-05
On the website or in DNS

Vendors whose code loads on mainspringenergy.com or whose records sit in its DNS. Page plumbing (libraries, fonts, consent banners) is left out.

1Passwordseen on mainspringenergy.comAdobeseen on mainspringenergy.comAnthropicseen on mainspringenergy.comappleseen on mainspringenergy.comAtlassianseen on mainspringenergy.comAutodeskseen on mainspringenergy.comCloudflareseen on mainspringenergy.com
fireflies_aiseen on mainspringenergy.com
gitkrakenseen on mainspringenergy.com
gitlab_pagesseen on mainspringenergy.com
Google Workspaceseen on mainspringenergy.com
have_i_been_pwnedseen on mainspringenergy.com
Microsoft 365seen on mainspringenergy.com
Microsoft Entra IDseen on mainspringenergy.com
microsoft_intuneseen on mainspringenergy.com
OpenAIseen on mainspringenergy.comSalesforceseen on mainspringenergy.com
salesforce_account_engagementseen on mainspringenergy.com
salesforce_marketing_cloudseen on mainspringenergy.com
Slackseen on mainspringenergy.comWizseen on mainspringenergy.comZapierseen on mainspringenergy.com
04Hiring

102 open roles, 68 opened in 90 days

Read hourly from the company's career system. Open roles and new roles in the last 30 days, by team. Companies hiring engineering (non-software) in United States →

Open roles by team
open · new 30 d
Engineering (non-software)
50 · 7
Software engineering
8 · 1
Skilled trades and field service
7 · 1
Product, program & project management
4 · 2
Procurement and purchasing
3 · 0
Finance & accounting
2 · 1
Quality, safety & environment
2 · 0
Administration & office
1 · 1
Arts media and entertainment
1 · 0
Construction and civil
1 · 0
Customer service & success
1 · 0
General management & consulting
1 · 0
Healthcare clinical
1 · 0
Legal, compliance & risk
1 · 1
Logistics warehouse and transport
1 · 0
Manufacturing and production
1 · 0
Retail & store operations
1 · 0
Sales
1 · 0
Newest postings
05Signals

What is changing, read from the postings

Intents are events the employer states about itself, each with the sentence and the posting it came from.

No change signals read in the current postings.

Decision makers at Mainspring Energy, with verified e-mails, and every change the moment it is posted.

Sales, marketing and IT leaders by function. Add Mainspring Energy to a monitor and get a webhook when a role opens, a tool appears or a signal is read.

Start free, no card. The first 20 are above; e-mails are verified at the mail server when you open them.

06Lookalikes

Companies like Mainspring Energy

Nearest by what they do, what they sell and whom they sell to, 51+ employees. 6 of 594 scored.

GenpowerConventional & nuclear power generators · Türkiye201-500 employees
Power SmartGrid & substation contractors · Bulgaria51-200 employees
PowerLink Energy SolutionsConventional & nuclear power generators · United States51-200 employees
Legacy PowerGenerator installation & service · United States51-200 employees
MilantractorGenerator installation & service · Italy51-200 employees
SHRAISEElectrical equipment manufacturers · United States51-200 employees
07Profile

From the company's own website

Legal nameMainspring Energy
IndustryUtilities & infrastructure · Conventional & nuclear power generators
Offeringslinear generator · modular power units · solar firming · diesel reduction
Target customersutilities · data centers · enterprise · industrial · industrial facilities
Geographic scopeinternational · also Canada
Reviews found
Public contact points0 role addresses · 0 phone numbers
Pages readprivacy, terms, home, contact, careers, about, services
Datescrawled 2026-08-08 · profiled 2026-08-16 · hiring built 2026-10-28
Cite this

Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.

Mainspring Energy (Menlo Park, United States, 201-500 employees) has 102 open roles, 19 new in 30 days, and names 14 tools in its postings. (Breaknorm, 2 November 2026, https://breaknorm.co/company/mainspringenergy.com)
How we know

Read from the source, not self-reported

Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →

  • ProfileBuilt from mainspringenergy.com: summary, offerings, customers, certifications and contact points are extracted from its pages, with a confidence score per field.
  • HiringRead hourly from the company's Lever career site; reposts collapse into one record.
  • Tech stackTools the employer's own text names as the team's systems, with the quote; website scripts counted separately.
  • HeadcountLinkedIn where known, otherwise estimated from the site.
FAQ

Mainspring Energy: questions

Does Mainspring Energy use Python?

Yes, by the company's own words: 23 postings name it, first seen 2026-05-13, in the engineering (non-software) team.

Is Mainspring Energy hiring?

102 open roles as of 2 November 2026, 19 opened in the last 30 days and 5 closed. The largest team hiring is engineering (non-software).

Where does this profile come from?

From mainspringenergy.com itself: we crawled it on 2026-08-08, built the profile on 2026-08-16, and read its career site (Lever) hourly since. Headcount is from LinkedIn.

Who should I write to at Mainspring Energy?

The people are behind the login: decision makers by function, verified at the mail server when you open them. 0 public role addresses from the site are there too.

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