About Moon FiveMoon Five helps multi-family homes unlock the full potential of their existing electrical infrastructure — starting with plug-and-play direct-to-tenant EV charging at $50/month and zero upfront costs.Moon Five's hardware, software, and deployment optimizations allows us to skip the costly infrastructure upgrade and long installation cycles, enabling rapid EV charging adoption today while setting the stage for future energy services like load balancing, DERs, and affordable backup energy.Contract PositionWe are seeking a Senior Power Electronics Engineer for a part-time contract role for up to 15 hours per week on a 4-6mo contract. The role will be to support the development of infrastructure hardware for EV charging and intelligent power management systems in multi-family residential buildings. This role combines advanced electrical engineering expertise with project-based contributions to drive product development from concept through production deployment.Key Responsibilities<ul><li>Support electrical engineering projects for mixed signal PCB design and electronics housing design for building electrical installations, focusing on high voltage (up to 480V) and high power (up to 40kW+) electronics systems for EV charging infrastructure</li><li>Design and develop industrial-grade power electronics including bidirectional power delivery and monitoring, smart load management systems, and calibration and testing of hardware</li><li>Contribute to product development lifecycle including schematic design, PCB layout, prototype bring-up, testing, and design for manufacturing (DFM)</li><li>Assist with supplier relationships and component sourcing, vendor qualification, and manufacturing partner coordination</li><li>Support National Recognized Test Lab (UL, ETL, YUV, CSA) safety listing processes, including technical documentation preparation</li><li>Provide technical guidance for field deployments</li><li>Collaborate on mechanical enclosures and thermal management design for outdoor and indoor installations</li><li>Participate in design reviews and contribute to engineering best practices</li></ul>Qualifications<ul><li>Bachelor's or Master's degree in Electrical Engineering, Power Electronics, or related technical field</li><li>6+ years of experience in power electronics design with focus on high-power applications (&gt;10kW)</li><li>Proven track record designing and bringing to market power conversion and delivery systems, preferably in automotive, industrial, or renewable energy applications</li><li>Extensive experience with mixed-signal PCB design using professional EDA tools (Altium Designer, KiCad, or similar)</li><li>Deep understanding of power semiconductor devices (IGBTs, Mechanical Relays, MOSFETs, energy monitoring devices, EMI)</li><li>Experience with safety standards and regulatory compliance (e.g. UL 1741, UL 2231-1/-2, or UL 9741, IEC 61851, NEC Article 625)</li><li>Hands-on experience with test equipment including oscilloscopes, power analyzers, and electronic loads</li><li>Strong project management skills with experience working on cross-functional engineering teams</li><li>Strong communication skills with ability to interface directly with customers, regulatory bodies, and manufacturing partners</li></ul>Preferred Experience<ul><li>Experience with EV charging standards (SAE J1772, IEC 62196-2, NACS) and communication protocols (ISO 15118, OCPP)</li><li>Experience with energy management systems, distributed energy technologies, and demand response technologies</li><li>Experience with industrial high, voltage panel layout</li><li>Previous experience at EV charging companies, automotive OEMs, or renewable energy infrastructure companies</li><li>Track record of successfully launching products that achieved NRTL listing and FCC certification</li><li>Experience scaling manufacturing from prototype to production</li><li>Knowledge of building electrical systems and electrical contractor workflows</li></ul>

Moon Five is working to bring equitable decarbonization and resiliency to those who need it the most: multi-family renters. We offer renters zero dollar-down, dedicated electric vehicle charging, paving the way for apartment electrification and resiliency. We better utilize untapped potential in the existing electrical wiring, removing the need for breaker upgrades and utility involvement. Our hardware gets apartments future-ready with vehicle-sourced electrical backup power and apartment energy management capacities.

Power Electronics Engineer - Contract (4-6mo)

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Moon Five Technologies

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