Principle Electrical Hardware Engineer

A leader in cutting-edge commercial solar and energy storage solutions, delivering innovative, cost-effective, and scalable technology to power the future of clean energy. We are building a world-class team of professionals passionate about renewable energy and sustainable solutions. If you're looking for an opportunity to make a meaningful impact in a fast-growing, mission-driven company, this is the place for you.

About the Role

This role is ideal for a hands-on electrical engineering leader who thrives at the intersection of power electronics, embedded systems, and product development. As a Principal Electrical Hardware Engineer, you will own the architecture and execution of critical power conversion and control hardware that drives our energy platform. You’ll play a key role in shaping next-generation products from early concept through production, balancing deep technical expertise with practical engineering execution. This position requires someone who is equally comfortable designing complex mixed-signal hardware, troubleshooting systems at the bench, collaborating across disciplines, and mentoring other engineers to elevate overall team performance.

Key Responsibilities

• Lead the electrical hardware architecture and development of BMS, DC-DC, and inverter subsystems across the product portfolio, from concept through production release
• Design, develop, and validate mixed-signal hardware including power stages, gate drivers, sensing circuits, isolation circuitry, analog front ends, and microcontroller-based control systems
• Create schematics and perform hands-on PCB layout in Altium, including high current routing, controlled impedance design, thermal management, and EMI-conscious placement and routing practices
• Design and specify magnetic components such as transformers, inductors, and common-mode chokes, while collaborating with vendors on custom solutions
• Collaborate with firmware engineers to develop, implement, and tune closed-loop digital control systems for power conversion applications
• Develop and debug communication interfaces including I2C, SPI, UART, CAN, RS-485, and USB across embedded and system-level architectures
• Lead hardware bring-up, validation, and troubleshooting using lab equipment such as oscilloscopes, spectrum analyzers, electronic loads, thermal cameras, and solar array simulators
• Drive design for manufacturability (DFM) and design for testability (DFT), supporting pilot production builds, factory test development, and manufacturing ramp activities
• Ensure compliance with EMI/EMC, safety, and reliability requirements, including in-house pre-compliance testing and coordination with external certification labs
• Mentor and guide junior and mid-level engineers, establishing high standards for engineering quality, documentation, and design review processes
• Partner cross-functionally with mechanical, firmware, systems, manufacturing, and product teams to deliver fully integrated hardware solutions

Qualifications

• Bachelor’s degree or higher in Electrical Engineering from an accredited institution
• 10 years of industry experience in power electronics and mixed-signal hardware design, with a proven track record of successfully bringing products from concept to production
• Extensive hands-on experience designing Battery Management System (BMS) hardware for lithium-ion battery systems, including cell monitoring, balancing, protection, isolated communication, and contactor control
• Strong experience designing inverters and/or bidirectional DC-DC power conversion systems for solar, energy storage, or related renewable energy applications
• Expert proficiency with Altium Designer, including schematic capture, multi-layer PCB layout for power electronics, library management, and ECO workflows
• Deep understanding of analog and mixed-signal circuit design, including op amps, comparators, ADC/DAC interfaces, isolation circuits, gate drivers, and current voltage sensing.
• Experience with microcontroller-based system design and the ability to collaborate effectively with firmware teams on embedded C development and debugging
• Strong hands-on laboratory and debugging experience using oscilloscopes, spectrum analyzers, electronic loads, solar array simulators, network analyzers, and thermal imaging tools
• Comfortable soldering, reworking, and modifying prototype hardware as needed during development and testing
• Working knowledge of EMI/EMC, safety, and regulatory compliance practices for grid-connected power electronics, with the ability to design for compliance throughout the development lifecycle
• Excellent written and verbal communication skills, including the ability to clearly document technical designs and communicate complex technical issues to both technical and non-technical audiences.

What We Offer

• Up to $200,00 a year DOE
• Comprehensive benefits package
• High-impact leadership role in a fast-growing clean energy company
• Collaborative, mission-driven work environment

Work Authorization Requirement

Candidates must be authorized to work in the United States on a full-time basis without the need for current or future employer sponsorship.