Electrical Engineer

We are seeking a motivated and detail-oriented Electrical Engineer to join our New Product Development team. This entry-level role will support the design, testing, validation, and integration of energy storage system (ESS) products, including hybrid inverters, bidirectional inverters, DC/DC converters, MPPT charge controllers, and lithium-ion battery systems for residential and commercial & industrial (C&I) applications.

• Build, configure, and maintain test setups for evaluating hybrid inverters, bidirectional inverters, DC/DC converters, MPPT charge controllers, Li-ion battery systems.
• Support testing and validation activities for low-voltage residential and high-voltage C&I ESS applications.
• Work with industry-standard communication protocols, including Modbus RTU, Modbus TCP, and CANbus.
• Operate and troubleshoot laboratory equipment such as multimeter, oscilloscope, data logger, power analyzer, DC power simulator, AC grid simulator.
• Assist with compliance and certification efforts related to UL 9540, UL 1741 SA/SB, UL 1973, UL 9540A.
• Maintain power lab Single Line Diagram (SLD) and support development of SLDs for new and existing ESS products.
• Collaborate with PLM, PM, compliance, and manufacturing teams to support product development activities.
• Perform electrical load analysis and power budget calculations.
• Support power electronics design activities, including schematic review, BOM maintenance for BMS, EMS, and Wi-Fi dongle designs, board-level and system-level debugging, root cause analysis.
• Define and execute verification and validation (V&V) testing, including bench testing, integration testing, and system-level testing.
• Develop, document, and execute system test procedures to identify design issues and recommend improvements or modifications.
• Document test results, engineering findings, and troubleshooting activities clearly and accurately.
• All other duties as assigned.

• Effective written and verbal communication skills.
• Ability to work collaboratively in a cross‑function team environment.

• Bachelor’s degree in electrical engineering or related field required.
• Basic understanding of power electronics, energy storage systems, or renewable energy systems.
• Familiarity with electrical schematics, test equipment, and laboratory safety practices.
• Exposure to communication protocols such as CANbus and Modbus is preferred.
• Knowledge of UL standards and ESS compliance requirements is a plus.
• Strong analytical, troubleshooting, and problem‑solving skills.
• Internship, academic project, or laboratory experience related to power electronics, battery systems, inverters, embedded systems, renewable energy systems.
• Familiarity with BMS (Battery Management Systems) and EMS (Energy Management Systems) concepts.

• This position may require the ability to perform tasks that involve sitting, standing, walking, lifting 25+ lbs, computer work, and other physical activities. Candidates should be able to meet these physical demands with or without reasonable accommodation.

EG4 Electronics is an equal‑opportunity employer and administers all personnel practices without regard to race, color, religious creed, sex, gender, age, ancestry, national origin, mental or physical disability or medical condition, sexual orientation, gender identity or expression, marital status, military or veteran status, genetic information, or any other category protected under federal, state, or local law.