<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 onsite power generator, 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 technology with near-zero NOx emissions.</span></div><div><br></div><div><span style="font-size:16px;">Backed by top-tier investors such as Khosla Ventures, Bill Gates, American Electric Power, and Lightrock, 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><b style="font-size:18px;">Job Overview</b></div><div><br></div><div><span style="font-size:16px;">Our Linear Generator is a sophisticated, automated, and integrated system spanning a wide range of engineering disciplines including thermodynamics, mechanical, electrical, software, and controls. We are looking for a driven, highly motivated Product Qualification Test Engineer to join our test engineering team. </span></div><br><br><h3>Responsibilities</h3><ul><li>Perform hands-on work and operate our Linear Generator units</li><li>Qualify units to be shipped to customers sites in our pilot manufacturing facility, and support contract manufacturing</li><li>Outline and develop processes to scale up product qualification tests in collaboration with New Product Introduction (NPI) team</li><li>Develop data analysis tools to evaluate pass/fail criteria and to define next steps in qualification</li><li>Root cause, document and drive the resolution of design, quality or process issues discovered during manufacturing or reliability testing working with cross functional engineering teams</li></ul><h3>Qualifications</h3><ul><li>Master’s degree in mechanical engineering, electrical engineering, mechatronics, or equivalent with 3+ years of applicable experience</li><li>Experience of conducting experimental projects plus if in the context of product qualification, manufacturing, or reliability testing on complex system</li><li>Proficiency in programming in at least one language (e.g. Python ,MATLAB) plus if experience with data analysis</li><li>Detail-oriented and comfortable working in a fast-paced environment </li><li>Enjoy working in interdisciplinary teams</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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Test Engineer, Product Qualification

<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 onsite power generator, 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 technology with near-zero NOx emissions.</span></div><div><br></div><div><span>Backed by top-tier investors such as Khosla Ventures, Bill Gates, American Electric Power, and Lightrock, 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><b>Job Overview</b></div><div><br></div><div><span>Our Linear Generator is a sophisticated, automated, and integrated system spanning a wide range of engineering disciplines including thermodynamics, mechanical, electrical, software, and controls. We are looking for a driven, highly motivated Product Qualification Test Engineer to join our test engineering team.&nbsp;</span></div><br><br><h3>Responsibilities</h3><ul><li>Perform hands-on work and operate our Linear Generator units</li><li>Qualify units to be shipped to customers sites in our pilot manufacturing facility, and support contract manufacturing</li><li>Outline and develop processes to scale up product qualification tests in collaboration with New Product Introduction (NPI) team</li><li>Develop data analysis tools to evaluate pass/fail criteria and to define next steps in qualification</li><li>Root cause, document and drive the resolution of design, quality or process issues discovered during manufacturing or reliability testing working with cross functional engineering teams</li></ul><h3>Qualifications</h3><ul><li>Master’s degree in mechanical engineering, electrical engineering, mechatronics, or equivalent with 3+ years of applicable experience</li><li>Experience of conducting experimental projects plus if in the context of product qualification, manufacturing, or reliability testing on complex system</li><li>Proficiency in programming in at least one language (e.g. Python ,MATLAB) plus if experience with data analysis</li><li>Detail-oriented and comfortable working in a fast-paced environment&nbsp;</li><li>Enjoy working in interdisciplinary teams</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>

Test Engineer, Product Qualification

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About the Company

Mainspring Energy

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