Electrical Engineer 1

SIGNATURE SOLAR LLC • Sulphur Springs, TX

8h

About The Position

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. The ideal candidate will have a strong foundation in electrical engineering principles, hands-on laboratory experience, and an interest in power electronics, renewable energy systems, and product development.

Requirements

• 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.
• 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.

Nice To Haves

• Exposure to communication protocols such as CANbus and Modbus is preferred.
• Knowledge of UL standards and ESS compliance requirements is a plus.

Responsibilities

• 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 Product Lifecycle Management (PLM), Product Management (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 are assigned.

What This Job Offers

• Job Type: Full-time
• Career Level: Entry Level