<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><b style="font-size:18px;">Job Overview</b></div><div><br></div><div><span style="font-size:16px;">Mainspring Energy is looking for an energetic individual contributor, passionate hands-on manufacturing engineer who enjoys implementing test equipment and testing processes in an industrial environment.</span></div><div><span style="font-size:16px;">You will join the product qualification team and your work will have a significant influence on our start-up company’s growth. You will directly contribute to transitioning our Linear Generator breakthrough technology to volume manufacturing and reaching a global scale.</span></div><div><br></div><div><br></div><div><span style="font-size:16px;">As a manufacturing engineer on the product qualification team you will support existing manufacturing test processes at the local pilot manufacturing line as well as at a larger scale contract manufacturer.  These sustaining engineering efforts will play a crucial role in preparing the company to scale production.</span></div><div><br></div><div><span style="font-size:16px;">You will also develop new manufacturing test processes and tooling to accommodate our evolving product.  From establishing functional requirements all the way to commissioning, you will work with talented engineers from various teams including: software and controls, mechanical/electrical/test engineering, quality, manufacturing and operations.  You will also frequently collaborate with technicians, manufacturing partners, external equipment suppliers and contractors.</span></div><div><br></div><div><span style="font-size:16px;">This is an exciting opportunity for a manufacturing or process engineer with experience and interest in deploying manufacturing test systems. The role is based at Mainspring Headquarters in Menlo Park, California and is primarily on-site with limited travel within North America (less than 10%).</span></div><br><br><h3>Responsibilities</h3><ul><li>Develop and capture process &amp; equipment requirements, Process Failure Mode and Effect Analysis (PFMEA)</li><li>Analyze production data to assess process capability of various in-process and end of line (EOL) test operations</li><li>Component selection, bill of material (BOM) generation and procurement process management</li><li>Creation of mechanical Integration 3D CAD models, 2D drawings for fabrication for part and assembly</li><li>Generate equipment documentation: test plans, operation, troubleshooting and maintenance manuals</li><li>Training and hand-off to Operations production staff</li><li>Participate in Failure Root Cause and Corrective Action Analysis using 8D type methodologies</li></ul><h3>Qualifications</h3><ul><li>Bachelor of Science or Masters in Engineering (Mechanical or Electrical or Mechatronics or Industrial)</li><li>3+ years experience launching and ramping production, including functional and system integration testing</li><li>Proficiency in programming in at least one language (e.g. Python, MATLAB)</li><li>Detail-oriented and comfortable working in a fast-paced environment</li><li>Enjoy working in interdisciplinary teams</li><li>Interest, ability or experience working on mechatronics, electro mechanical assemblies and power electronics</li><li>Hands-on mechanical or electrical engineering skills (ideally both!)</li><li>Proficient using product data management and CAD design/drafting software (ideally Solidworks)</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>
<div>
<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>
</div>

Manufacturing 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 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><b>Job Overview</b></div><div><br /></div><div><span>Mainspring Energy is looking for an energetic individual contributor, passionate hands-on manufacturing engineer who enjoys implementing test equipment and testing processes in an industrial environment.</span></div><div><span>You will join the product qualification team and your work will have a significant influence on our start-up company’s growth. You will directly contribute to transitioning our Linear Generator breakthrough technology to volume manufacturing and reaching a global scale.</span></div><div><br /></div><div><br /></div><div><span>As a manufacturing engineer on the product qualification team you will support existing manufacturing test processes at the local pilot manufacturing line as well as at a larger scale contract manufacturer.  These sustaining engineering efforts will play a crucial role in preparing the company to scale production.</span></div><div><br /></div><div><span>You will also develop new manufacturing test processes and tooling to accommodate our evolving product.  From establishing functional requirements all the way to commissioning, you will work with talented engineers from various teams including: software and controls, mechanical/electrical/test engineering, quality, manufacturing and operations.  You will also frequently collaborate with technicians, manufacturing partners, external equipment suppliers and contractors.</span></div><div><br /></div><div><span>This is an exciting opportunity for a manufacturing or process engineer with experience and interest in deploying manufacturing test systems. The role is based at Mainspring Headquarters in Menlo Park, California and is primarily on-site with limited travel within North America (less than 10%).</span></div><br /><br /><h3>Responsibilities</h3><ul><li>Develop and capture process &amp; equipment requirements, Process Failure Mode and Effect Analysis (PFMEA)</li><li>Analyze production data to assess process capability of various in-process and end of line (EOL) test operations</li><li>Component selection, bill of material (BOM) generation and procurement process management</li><li>Creation of mechanical Integration 3D CAD models, 2D drawings for fabrication for part and assembly</li><li>Generate equipment documentation: test plans, operation, troubleshooting and maintenance manuals</li><li>Training and hand-off to Operations production staff</li><li>Participate in Failure Root Cause and Corrective Action Analysis using 8D type methodologies</li></ul><h3>Qualifications</h3><ul><li>Bachelor of Science or Masters in Engineering (Mechanical or Electrical or Mechatronics or Industrial)</li><li>3+ years experience launching and ramping production, including functional and system integration testing</li><li>Proficiency in programming in at least one language (e.g. Python, MATLAB)</li><li>Detail-oriented and comfortable working in a fast-paced environment</li><li>Enjoy working in interdisciplinary teams</li><li>Interest, ability or experience working on mechatronics, electro mechanical assemblies and power electronics</li><li>Hands-on mechanical or electrical engineering skills (ideally both!)</li><li>Proficient using product data management and CAD design/drafting software (ideally Solidworks)</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>

Manufacturing Engineer, Product Qualification

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Mainspring Energy

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