<div class="content-intro"><p><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><strong>About Harbinger</strong></span></p> <p><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Harbinger is an American commercial electric vehicle (EV) company on a mission to transform an industry starving for innovation. Harbinger’s best-in-class team of EV, battery, and drivetrain experts have pooled their deep experience to bring a first-of-its-kind EV platform to support the growing demand for medium-duty EVs and Hybrids. Harbinger: Familiar Form, Revolutionary Foundation.</span></p></div><p><span style="font-size: 12pt;"><strong>Job Overview</strong> </span></p> <p><span style="font-size: 12pt;">As a key technical leader on the Electrical Engineering team, the Power Electronics Engineer will drive the architecture, design, validation, integration, and testing of High Voltage (HV) components and systems for Harbinger’s vehicles. You will own the end-to-end lifecycle of critical power systems, bridging the gap between high-level architectural strategy and hands-on laboratory testing.</span></p> <p><span style="font-size: 12pt;">We are industry-agnostic for this role; whether your background is in automotive, aerospace, grid storage, renewables, or heavy industry, the core requirement is a proven track record of delivering <strong>high-power (100kW+ to Megawatt scale)</strong> power electronics projects from concept through validation.</span></p> <p><span style="font-size: 12pt;">We are open to hiring at the Sr. or Principal level.</span></p> <p><span style="font-size: 12pt;"><strong>What You’ll Do:</strong></span></p> <ul> <li style="font-size: 12pt;"><span style="font-size: 12pt;"><strong>Architect and Lead:</strong> Drive the architecture, component selection, analysis, and design of high-power (100kW to MW class) power electronics aimed at high performance and cost optimization, including on-board chargers, DC-DC converters, and traction inverters.</span></li> <li style="font-size: 12pt;"><span style="font-size: 12pt;"><strong>End-to-End Testing:</strong> Lead the testing and bring-up of power electronics components, seamlessly integrating them with powertrain components and the broader charging ecosystem.</span></li> <li style="font-size: 12pt;"><span style="font-size: 12pt;"><strong>Advanced PCB Design:</strong> Oversee and execute the design of complex circuit boards (PCBs), optimizing for low-cost, high-reliability, and high-performance based on IPC standards.</span></li> <li style="font-size: 12pt;"><span style="font-size: 12pt;"><strong>Reliability & Analysis:</strong> Lead DFMEA, worst-case circuit analysis (WCCA), thermal analysis, and other critical system-level evaluations.</span></li> <li style="font-size: 12pt;"><span style="font-size: 12pt;"><strong>Validation Leadership:</strong> Direct testing and validation efforts on high voltage components and systems, setting the standard for test protocols within the team.</span></li> <li style="font-size: 12pt;"><span style="font-size: 12pt;"><strong>Hands-on Bring-Up:</strong> Architect test bench setups and provide hands-on support for board-level, component-level, and vehicle-level bring-up at in-house facilities and external test sites.</span></li> <li style="font-size: 12pt;"><span style="font-size: 12pt;"><strong>Cross-Functional Troubleshooting:</strong> Collaborate with and mentor cross-functional teams to troubleshoot, diagnose, and resolve complex electrical and EMI issues as they arise.</span></li> <li style="font-size: 12pt;"><span style="font-size: 12pt;"><strong>Strategic Sourcing:</strong> Engage strategically with suppliers and the sourcing team to identify, evaluate, and procure cutting-edge components. Support design releases and modifications based on vendor capabilities.</span></li> <li style="font-size: 12pt;"><span style="font-size: 12pt;"><strong>Technical Communication:</strong> Generate comprehensive technical reports and present critical design reviews to executive leadership and key stakeholders.</span></li> </ul> <p><span style="font-size: 12pt;"><strong>Who You Are:</strong></span></p> <ul> <li style="font-size: 12pt;"><span style="font-size: 12pt;"><strong>High-Power Experience:</strong> You have a proven track record of designing, building, and testing high-power electronics projects. Experience in the <strong>100s of kW range is required</strong>, with Megawatt (MW) scale experience being highly desirable.</span></li> <li style="font-size: 12pt;"><span style="font-size: 12pt;"><strong>Industry Flexible:</strong> You have 10+ years of hands-on electrical engineering experience. We are open to backgrounds in automotive, robotics, aerospace, grid-scale energy storage, marine, rail, or renewables—as long as you have worked at these demanding power levels (100kW+).</span></li> <li style="font-size: 12pt;"><span style="font-size: 12pt;"><strong>Deep Technical Expertise:</strong> Strong, authoritative background in analog/digital electronics, power conversion, and energy storage technology (including power electronics, control theory, motor drives, and battery systems).</span></li> <li style="font-size: 12pt;"><span style="font-size: 12pt;">