Senior Electrical Engineer - Hardware Systems

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

Responsibilities

• Design critical electrical systems that enable key functions and ever-expanding features of Mainspring's linear generator
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• Work on a wide variety of subsystems and components, including (in no particular order) high voltage batteries, grid-tie inverters, capacitor banks, motor drives, low and high voltage power distribution, safety controllers, and more
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• Become an expert on the linear generator electrical system. This involves the hardware designs and the system-level controls that bring the hardware to life
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• Be called upon to troubleshoot our most complex system-level problems, and be able to breakdown abstract system-level symptoms to be able to identify which subsystem is the cause of the problem
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• Regularly blur the line between operating as an electrical design engineer and a systems engineer. This will involve activities such as defining electrical system requirements, allocating requirements to subsystems, analyzing trade-offs between subsystems, and leading the team to develop robust verification plans
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Qualifications

• 5+ years of hands-on experience designing, developing, and realizing complex electrical systems
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• An eagerness to work on a wide variety of assignments
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• While you will spend more of your time working at the system-level, you have the technical expertise to dig into low-level aspects of electrical designs
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• Technical leadership experience and experience leading a project team
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• Experience defining system level requirements and creating verification plans
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• A bachelor's degree, or higher, in Electrical Engineering or related field
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Nice-to-haves

• Experience in the full hardware development life cycle, from requirements development to manufacturing support; having taken at least one product through volume manufacturing
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• Experience working at a startup or rapid development environment
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$130,000 - $153,000 a year

This position is a hybrid position (onsite + remote) at our Menlo Park HQ . The salary will be adjusted to reflect local market conditions based on employee location as well as the experience of the employee. Along with the base salary, Mainspring offers pre-IPO stock options + benefits.

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.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.