Company Overview

Mainspring Energy is revolutionizing power generation with the world’s most flexible and adaptable local power generation technology, the Mainspring Linear Generator. Commercial, industrial, and utility leaders are choosing Mainspring over traditional options like engines, turbines, and fuel cells to quickly and reliably deliver local power for EV charging, commercial facilities, data centers, and grid-scale operations.

The Mainspring Linear Generator is fuel flexible, ramps up and down to meet demand, and utilizes a flameless reaction with near-zero NOx emissions. Backed by top-tier investors including Khosla Ventures, Bill Gates, American Electric Power, Lightrock, and General Catalyst Mainspring designs, manufactures and delivers its products to customers across the U.S. today, and we’re quickly scaling for international expansion.

Inspired by our vision of the affordable, reliable, net-zero carbon grid, Mainspring is rapidly expanding within the $816B global electricity equipment market, and we’re hiring the best talent to meet growing customer demand around the globe. We welcome a broad range of backgrounds, experiences, and talents to bring fresh perspectives and ongoing innovation to our customers.

We are looking to build relationships with people who share our values:

Pragmatic Optimism. Building a new category of world-class power generation requires the optimism of ambition and creativity, balanced with practicality to solve problems efficiently. The challenges that arise are opportunities for growth.

Excellence without Ego. We bring expertise and commitment to creating the best customer experience, from sales to deployment and service, just as we apply deep technical rigor to building and delivering world-class products. We strive for excellence and behave as leaders with the humility to acknowledge our challenges, both collectively and as individual contributors.

Proactive Collaboration. The integration and cross-disciplinary nature of Mainspring’s business requires intentionally seeking out others who bring different skills, perspectives, and priorities. Our culture of inclusion and respect extends beyond our team to interactions with our partners and customers.

More information can be found at www.mainspringenergy.com

Company Overview

Mainspring Energy is revolutionizing power generation with the world’s most flexible and adaptable local power generation technology, the Mainspring Linear Generator. Commercial, industrial, and utility leaders are choosing Mainspring over traditional options like engines, turbines, and fuel cells to quickly and reliably deliver local power for EV charging, commercial facilities, data centers, and grid-scale operations.

The Mainspring Linear Generator is fuel flexible, ramps up and down to meet demand, and utilizes a flameless reaction with near-zero NOx emissions. Backed by top-tier investors including Khosla Ventures, Bill Gates, American Electric Power, Lightrock, and General Catalyst Mainspring designs, manufactures and delivers its products to customers across the U.S. today, and we’re quickly scaling for international expansion.

Inspired by our vision of the affordable, reliable, net-zero carbon grid, Mainspring is rapidly expanding within the $816B global electricity equipment market, and we’re hiring the best talent to meet growing customer demand around the globe. We welcome a broad range of backgrounds, experiences, and talents to bring fresh perspectives and ongoing innovation to our customers.

We are looking to build relationships with people who share our values:

Pragmatic Optimism. Building a new category of world-class power generation requires the optimism of ambition and creativity, balanced with practicality to solve problems efficiently. The challenges that arise are opportunities for growth.

Excellence without Ego. We bring expertise and commitment to creating the best customer experience, from sales to deployment and service, just as we apply deep technical rigor to building and delivering world-class products. We strive for excellence and behave as leaders with the humility to acknowledge our challenges, both collectively and as individual contributors.

Proactive Collaboration. The integration and cross-disciplinary nature of Mainspring’s business requires intentionally seeking out others who bring different skills, perspectives, and priorities. Our culture of inclusion and respect extends beyond our team to interactions with our partners and customers.

More information can be found at www.mainspringenergy.com

Job Overview

This is a high-impact, execution-focused sourcing role designed to accelerate our technical team hiring over the next six months. You will own the top of the recruiting funnel for critical technical roles and partner closely with recruiters and hiring managers to identify, engage, and qualify exceptional engineering talent.

This role requires speed, precision, strong technical intuition, and comfort leveraging modern sourcing technologies — including AI-powered tools — to increase efficiency, personalization, and pipeline quality.

Job Overview

This is a high-impact, execution-focused sourcing role designed to accelerate our technical team hiring over the next six months. You will own the top of the recruiting funnel for critical technical roles and partner closely with recruiters and hiring managers to identify, engage, and qualify exceptional engineering talent.

This role requires speed, precision, strong technical intuition, and comfort leveraging modern sourcing technologies — including AI-powered tools — to increase efficiency, personalization, and pipeline quality.

What You’ll Do

Drive outbound sourcing campaigns for high-priority engineering roles

Build targeted pipelines across hardware, mechanical, electrical, firmware, controls, manufacturing, and software engineering disciplines

Conduct detailed talent mapping and market research for niche or hard-to-fill skill sets

Partner closely with recruiters and hiring managers to align on candidate profiles and outreach strategies

Develop personalized, high-conversion outreach that clearly communicates Mainspring’s mission, culture, technology, and growth trajectory

Leverage sourcing platforms and alternative channels to identify high-signal candidates

Utilize AI-enabled sourcing tools and automation thoughtfully to improve search precision, messaging personalization, workflow efficiency, and candidate engagement

Qualify and conduct initial outreach conversations as needed

Track sourcing metrics (response rates, conversion rates, from posting to interviews) and continuously optimize strategy

Maintain clean, accurate data within the ATS

What We’re Looking For

3–7+ years of technical sourcing experience in a high-growth or technical environment

Demonstrated success sourcing engineers across hardware and software domains

Strong proficiency with modern sourcing tools and talent intelligence platforms

Experience leveraging AI tools to enhance sourcing research, outreach personalization, candidate screening, and workflow efficiency

Ability to quickly understand complex technical requirements

Strong written communication skills — you write outreach that converts

Comfort managing multiple searches simultaneously under tight timelines

High level of organization, ownership, and bias toward action

Strong curiosity to understand technology

Does your experience not meet all of our posted requirements? Studies have shown that some people are less likely to apply to positions unless they meet every listed requirement. At Mainspring, we are committed to building a diverse, inclusive, flexible, and collaborative environment, so if you want to help us transition the world to clean and affordable electricity, and don’t meet all posted requirements for a particular role, we’d still love to hear from you. Mainspring can sometimes be flexible enough to shift responsibilities for the right person, or otherwise identify open or upcoming roles that may better fit your professional background.

In more traditional words, Mainspring Energy, Inc is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

This compensation and benefits information is based on Mainspring Energy's estimate as of the date of publication and may be modified in the future. We generally do not negotiate on salary once we have made an offer. The level of pay within the range will depend on a variety of job-related factors that may include location, relevant prior experience and/or education, or particular skills and expertise. New hires joining the company tend to be paid within the starting base pay range noted above, with opportunities to increase pay over time based on development of additional skills, competencies, and company-specific knowledge.

Technical Talent Sourcer (6-Month Contract)