<h3>About Mainspring</h3><p>Mainspring Energy manufactures and delivers fuel-flexible, low-emissions local power solutions that rapidly add new capacity and deliver reliable, affordable, and sustainable electric power. The company began commercial shipments of its Mainspring Linear Generators in 2020 and today has hundreds of megawatts in advanced development and field operations for leading Fortune 500 companies, data centers, and utilities. Mainspring also partners with global energy leaders including AEP, NextEra Energy Resources, Schneider Electric, and more.</p><p>The <a href="https://www.mainspringenergy.com/company"><span style="color:#3598db;"><span style="text-decoration:underline;">core values</span></span></a> that ground our work, guide our decisions, and connect us together:</p><ul><li>Pragmatic Optimism</li><li>Excellence without Ego</li><li>Proactive Collaboration</li></ul><div><br></div><h2>Job Overview </h2><p>Mainspring Energy is accelerating the transition to a clean energy future through the manufacturing and deployment of our innovative Linear Generator technology. The Mainspring Linear Generator delivers highly efficient, dispatchable, and clean power with the unique ability to switch seamlessly between multiple fuels (including natural gas, biogas, and green hydrogen). As we scale our deployments from Behind-The-Meter (BTM) commercial microgrids to utility-scale Front-of-the-Meter (FTM) data centers and power plants, we are expanding our system boundaries to provide fully integrated, turn-key power solutions </p><p>This role sits at the intersection of power systems engineering, cross-functional hardware integration, and external vendor management. You will act as the technical anchor, translating high-level single-line diagrams and architectural concepts into robust, mass-manufacturable modular products. The ideal candidate will bridge the gap between initial concept and factory-ready design by driving requirements across internal multidisciplinary teams (Electrical, Mechanical, Project Delivery, Software Controls, and Supply Chain) while managing critical 3rd-party design and manufacturing partners to scale the product line.</p><br><br><h3>Responsibilities</h3><ul><h2> </h2><li style="list-style-type:none;"></li><li><p>Take full engineering ownership of Mainspring's next-generation modular power integration skids, actively translating high-level system architectures into fully commercialized, production-ready assets by driving the design from initial concept through validation and final manufacturing release</p></li><li><p>Drill down into the detailed engineering design of the skid systems, making critical technical decisions regarding hardware selection, spatial layout, thermal management, environmental protection, manufacturability, and field serviceability</p></li><li><p>Partner actively with internal electrical engineering, mechanical engineering, project delivery, operations, software controls, and supply chain teams to extract, synthesize, and freeze comprehensive system requirements</p></li><li><p>Direct and manage third-party design firms and external manufacturers, serving as the primary technical point of contact to ensure engineering and manufacturing outputs align with technical specifications and quality standards</p></li><li><p>Drive the scalability and production readiness of larger skid configurations alongside manufacturing suppliers, ensuring the architectural design leverages standardized hardware, reduces site-level installation labor, and is optimized for high-volume replication</p></li><li><p>Drive the complete integration of standard Balance of System components and author comprehensive product documentation, including detailed installation manuals, factory acceptance testing procedures, and technical specifications</p></li></ul><h3>Qualifications</h3><ul><h2>                  </h2><p>You should have...</p><li style="list-style-type:none;"></li><li><p>Bachelor's or Master's degree in Electrical Engineering or a related field</p></li><li><p>5+ [Senior] or 8+ [Staff] years of direct experience productizing complex, multi-disciplinary industrial systems</p></li><li><p>Deep familiarity with industrial skid components and their integration, including but not limited to central inverters, medium/low-voltage transformers, switchgear, Balance of System (BoS) components, control panels, high-power cabling, and structural frames.</p></li><li><p>Demonstrated experience driving the engineering lifecycle of modular hardware systems, including a strong grasp of design-to-cost principles, supplier capacity scaling, field reliability, and configuration control</p></li><li><p>Strong cross-functional leadership skills with a track record of translating diverse technical requirements from electrical, mechanical, and operations teams into a cohesive, manufacturing-ready system design</p></li><li><p>Demonstrated success directing 3rd-party design, engineering, or Contract Manufacturing (CM) partners from initial NPI (New Product Introduction) phases through to sustained volume production</p></li></ul><h3>Bonus</h3><ul><h2> </h2><li style="list-style-type:none;"></li><li style="list-style-type:none;"></li><li><p>Familiarity with industrial networking protocols, SCADA integration, and field instrumentation telemetry hub design</p></li><li><p>Direct experience designing or certifying industrial control systems to UL 508 or UL 508A compliance standards</p></li></ul><br><p>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.</p><p>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.</p><p>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.</p>

<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>

Senior Electrical Engineer  - Electrical Integration Engineer - Power Conversion System (PCS) Skid

<h3>About Mainspring</h3><p>Mainspring Energy manufactures and delivers fuel-flexible, low-emissions local power solutions that rapidly add new capacity and deliver reliable, affordable, and sustainable electric power. The company began commercial shipments of its Mainspring Linear Generators in 2020 and today has hundreds of megawatts in advanced development and field operations for leading Fortune 500 companies, data centers, and utilities. Mainspring also partners with global energy leaders including AEP, NextEra Energy Resources, Schneider Electric, and more.</p><p>The <a href="https://www.mainspringenergy.com/company"><span><span>core values</span></span></a> that ground our work, guide our decisions, and connect us together:</p><ul><li>Pragmatic Optimism</li><li>Excellence without Ego</li><li>Proactive Collaboration</li></ul><div><br /></div><h2>Job Overview </h2><p>Mainspring Energy is accelerating the transition to a clean energy future through the manufacturing and deployment of our innovative Linear Generator technology. The Mainspring Linear Generator delivers highly efficient, dispatchable, and clean power with the unique ability to switch seamlessly between multiple fuels (including natural gas, biogas, and green hydrogen). As we scale our deployments from Behind-The-Meter (BTM) commercial microgrids to utility-scale Front-of-the-Meter (FTM) data centers and power plants, we are expanding our system boundaries to provide fully integrated, turn-key power solutions </p><p>This role sits at the intersection of power systems engineering, cross-functional hardware integration, and external vendor management. You will act as the technical anchor, translating high-level single-line diagrams and architectural concepts into robust, mass-manufacturable modular products. The ideal candidate will bridge the gap between initial concept and factory-ready design by driving requirements across internal multidisciplinary teams (Electrical, Mechanical, Project Delivery, Software Controls, and Supply Chain) while managing critical 3rd-party design and manufacturing partners to scale the product line.</p><br /><br /><h3>Responsibilities</h3><ul><h2> </h2><li></li><li><p>Take full engineering ownership of Mainspring's next-generation modular power integration skids, actively translating high-level system architectures into fully commercialized, production-ready assets by driving the design from initial concept through validation and final manufacturing release</p></li><li><p>Drill down into the detailed engineering design of the skid systems, making critical technical decisions regarding hardware selection, spatial layout, thermal management, environmental protection, manufacturability, and field serviceability</p></li><li><p>Partner actively with internal electrical engineering, mechanical engineering, project delivery, operations, software controls, and supply chain teams to extract, synthesize, and freeze comprehensive system requirements</p></li><li><p>Direct and manage third-party design firms and external manufacturers, serving as the primary technical point of contact to ensure engineering and manufacturing outputs align with technical specifications and quality standards</p></li><li><p>Drive the scalability and production readiness of larger skid configurations alongside manufacturing suppliers, ensuring the architectural design leverages standardized hardware, reduces site-level installation labor, and is optimized for high-volume replication</p></li><li><p>Drive the complete integration of standard Balance of System components and author comprehensive product documentation, including detailed installation manuals, factory acceptance testing procedures, and technical specifications</p></li></ul><h3>Qualifications</h3><ul><h2>                  </h2><p>You should have...</p><li></li><li><p>Bachelor's or Master's degree in Electrical Engineering or a related field</p></li><li><p>5+ [Senior] or 8+ [Staff] years of direct experience productizing complex, multi-disciplinary industrial systems</p></li><li><p>Deep familiarity with industrial skid components and their integration, including but not limited to central inverters, medium/low-voltage transformers, switchgear, Balance of System (BoS) components, control panels, high-power cabling, and structural frames.</p></li><li><p>Demonstrated experience driving the engineering lifecycle of modular hardware systems, including a strong grasp of design-to-cost principles, supplier capacity scaling, field reliability, and configuration control</p></li><li><p>Strong cross-functional leadership skills with a track record of translating diverse technical requirements from electrical, mechanical, and operations teams into a cohesive, manufacturing-ready system design</p></li><li><p>Demonstrated success directing 3rd-party design, engineering, or Contract Manufacturing (CM) partners from initial NPI (New Product Introduction) phases through to sustained volume production</p></li></ul><h3>Bonus</h3><ul><h2> </h2><li></li><li></li><li><p>Familiarity with industrial networking protocols, SCADA integration, and field instrumentation telemetry hub design</p></li><li><p>Direct experience designing or certifying industrial control systems to UL 508 or UL 508A compliance standards</p></li></ul><br /><p>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.</p><p>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.</p><p>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.</p>

Senior Electrical Engineer - Electrical Integration Engineer - Power Conversion System (PCS) Skid

About the Job

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Mainspring Energy

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