Electrical Engineer - Power Electronics

Power Electronics EngineerMainspring 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.The core values that ground our work, guide our decisions, and connect us together:Pragmatic OptimismExcellence without EgoProactive CollaborationJob OverviewThe technology that powers Mainspring's Linear Generator is unlike any other generator technology on the market. The Linear Generator relies on innovative electrical power and control hardware systems to achieve its best-in-class efficiency while meeting the world's strictest emissions requirements. These electrical hardware systems are designed by a talented team of electrical engineers that own hardware design from initial concept through test and manufacturing. We have a high impact opportunity for a power electronics engineer to shape the future of the Linear Generator's power electronics systems.ResponsibilitiesDesign custom power electronics hardware that enables key functions of our Linear GeneratorBring-up, validate, and qualify your power electronics designsTroubleshoot complex hardware issues that arise in the test lab, production floor, and fielded unitsCollaborate with the new production introduction team and external suppliers to improve designs for manufacturability and testabilityPartner with reliability engineers to further drive up electrical hardware reliabilityServe as an expert on the hardware systems that you ownQualificationsBachelor's degree, or higher, in Electrical Engineering2-5 years of experience developing power electronics technologiesExcellent electronics design fundamentals; ability to take concept level design details, select components, and produce a schematicExamples of taking ownership of a power electronics design projectCircuit board design experienceFamiliar with schematic capture and power converter circuit modeling/simulation toolsKnowledge of power electronics control theoryProficiency with EE tools (Oscilloscopes, Power Analyzers, Network Analyzers, Signal Generators etc.)Experience with power semiconductor selection, gate drive, and protection circuit designProven ability to work independently on an electronics design projectClear verbal and written communication skillsA passion for hands-on hardware developmentA "collaborate-first" mindset and have successfully communicated across a range of teams and personalitiesNice-to-havesExperience designing high voltage (480VAC or 800VDC range) systemsExperience designing kW-level power electronicsExperience in the full hardware development life cycle, from requirements development to manufacturing supportExperience working at a startup or rapid development environmentExperience with Altium$114,400 - $130,000 a year This role is an amazing growth opportunity, where you will work closely with and learn from a small team of top-caliber power electronics engineers. Working together, you will jointly own all the custom power electronics within our system. This is a hybrid position (onsite + remote) at our Menlo Park HQ. It will require you to be onsite as required to perform testing, troubleshooting, manufacturing support, etc. 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.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.