<div><b style="font-size:18px;">Company Overview</b></div><div><br></div><div><span style="font-size:16px;">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.</span></div><div><br></div><div><span style="font-size:16px;">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. </span></div><div><br></div><div><span style="font-size:16px;">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.</span></div><div><br></div><div><span style="font-size:16px;">We are looking to build relationships with people who share our values:</span></div><div><br></div><div><b style="font-size:16px;">Pragmatic Optimism.</b><span style="font-size:16px;"> 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.</span></div><div><br></div><div><b style="font-size:16px;">Excellence without Ego.</b><span style="font-size:16px;"> 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.</span></div><div><br></div><div><b style="font-size:16px;">Proactive Collaboration.</b><span style="font-size:16px;"> 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.</span></div><div><br></div><div><span style="font-size:16px;">More information can be found at </span><a style="font-size:16px;" href="http://www.mainspringenergy.com/">www.mainspringenergy.com</a></div><div><br></div><div><span style="font-size:11pt;">As Mainspring scales production of its linear generators, supplier quality is critical to ensuring reliable, high-volume manufacturing. As Supplier Quality Manager, you will lead the strategy and execution of supplier readiness, performance, and continuous improvement across mechanical, electrical, and complex engineered components. You will refine and drive supplier qualification, audits, and incoming quality systems in close partnership with our Contract Manufacturers, Supply Chain, and Engineering.</span></div><div><br></div><div><span style="font-size:11pt;">You will oversee the development and implementation of APQP deliverables—including PPAP, FAI, and process validation—while ensuring suppliers meet evolving technical and operational requirements. You will guide root-cause analysis, corrective actions, and capability improvements that reduce variability and strengthen process control. We are looking for a strong communicator and leader who thrives in a fast-paced, cross-functional environment and can grow and mentor a high-performing Supplier Quality team.    </span></div><br><br><h3>Qualifications</h3><ul><li>Bachelor’s or Master’s degree in Engineering, Quality Management or related </li><li>7+ years in Supplier Quality Management, preferably customer facing and in clean energy, manufacturing or hardware organizations (industrial and/or automotive a plus) </li><li>Proven success bringing suppliers from prototype-support mode into stable, high-volume production.</li><li>Strong background in process control, APQP/PPAP, FMEA, SPC, and root-cause analysis.</li><li>Six Sigma, Lean, or ASQ Certification and trainings are preferred </li><li>The position will require up to 20% travel to supplier sites</li></ul><h3>Must-Have Attributes</h3><ul><li>Strong leadership, communication, and stakeholder management skills</li><li>You are highly organized, detail oriented, communicative, and you know what operational excellence looks like because you have seen it first hand</li><li>You possess a healthy customer obsession because you learned that delivering results to them is key to success</li><li>You can thrive in structured and unstructured environments and are not dissuaded at the prospect of making hard decisions about what is important and urgent against a backdrop of limited resources</li><li>Numbers and details are your best “friends” because you learned that when you pay attention to them you drive improvement and reduce risk</li><li>You relentlessly seek balance between quality and speed of execution no matter how tough a situation is because you know that you can’t compromise either</li></ul><br><div><span style="font-size:16px;">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.</span></div><div><br></div><div><span style="font-size:16px;">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.</span></div><div><br></div><div><span style="font-size:16px;">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.</span></div>

<p class="text-steel f-b1 md-max:mb-d">At Mainspring we believe the fastest path to the net-zero carbon grid is vastly increasing the amount of solar and wind power while building a supporting clean energy system that ensures affordability and multi-day, cross-season resilience. Getting there requires flexible, scalable, local technologies that can adapt to the shifting grid landscape &ndash; including the transition from natural gas to renewable fuels like biogas, green ammonia, and green hydrogen.</p>
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<p class="text-steel f-b1">The Mainspring Linear Generator delivers an unmatched level of flexibility for the transition ahead. It&rsquo;s local so you can site where power is needed, it&rsquo;s dispatchable so you can ramp up and down to complement renewables, and it&rsquo;s fuel-flexible so you can operate on the cleanest fuels available today and in the future. Our products are already at work at Fortune 500 customer sites, accelerating the arrival of the net-zero carbon grid.</p>
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Supplier Quality Manager

<div><b>Company Overview</b></div><div><br></div><div><span>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.</span></div><div><br></div><div><span>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. </span></div><div><br></div><div><span>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.</span></div><div><br></div><div><span>We are looking to build relationships with people who share our values:</span></div><div><br></div><div><b>Pragmatic Optimism.</b><span> 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.</span></div><div><br></div><div><b>Excellence without Ego.</b><span> 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.</span></div><div><br></div><div><b>Proactive Collaboration.</b><span> 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.</span></div><div><br></div><div><span>More information can be found at </span><a href="http://www.mainspringenergy.com/">www.mainspringenergy.com</a></div><div><br></div><div><span>As Mainspring scales production of its linear generators, supplier quality is critical to ensuring reliable, high-volume manufacturing. As Supplier Quality Manager, you will lead the strategy and execution of supplier readiness, performance, and continuous improvement across mechanical, electrical, and complex engineered components. You will refine and drive supplier qualification, audits, and incoming quality systems in close partnership with our Contract Manufacturers, Supply Chain, and Engineering.</span></div><div><br></div><div><span>You will oversee the development and implementation of APQP deliverables—including PPAP, FAI, and process validation—while ensuring suppliers meet evolving technical and operational requirements. You will guide root-cause analysis, corrective actions, and capability improvements that reduce variability and strengthen process control. We are looking for a strong communicator and leader who thrives in a fast-paced, cross-functional environment and can grow and mentor a high-performing Supplier Quality team.&nbsp;&nbsp;&nbsp;&nbsp;</span></div><br><br><h3>Qualifications</h3><ul><li>Bachelor’s or Master’s degree in Engineering, Quality Management or related&nbsp;</li><li>7+ years in Supplier Quality Management, preferably customer facing and in clean energy, manufacturing or hardware organizations (industrial and/or automotive a plus)&nbsp;</li><li>Proven success bringing suppliers from prototype-support mode into stable, high-volume production.</li><li>Strong background in process control, APQP/PPAP, FMEA, SPC, and root-cause analysis.</li><li>Six Sigma, Lean, or ASQ Certification and trainings are preferred&nbsp;</li><li>The position will require up to 20% travel to supplier sites</li></ul><h3>Must-Have Attributes</h3><ul><li>Strong leadership, communication, and stakeholder management skills</li><li>You are highly organized, detail oriented, communicative, and you know what operational excellence looks like because you have seen it first hand</li><li>You possess a healthy customer obsession because you learned that delivering results to them is key to success</li><li>You can thrive in structured and unstructured environments and are not dissuaded at the prospect of making hard decisions about what is important and urgent against a backdrop of limited resources</li><li>Numbers and details are your best “friends” because you learned that when you pay attention to them you drive improvement and reduce risk</li><li>You relentlessly seek balance between quality and speed of execution no matter how tough a situation is because you know that you can’t compromise either</li></ul><br><div><span>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.</span></div><div><br></div><div><span>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.</span></div><div><br></div><div><span>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.</span></div>

Supplier Quality Manager

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About the Company

Mainspring Energy

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