Lead Electrical Engineer - EG4 Electronics

SIGNATURE SOLAR LLC•Sulphur Springs, TX

About The Position

We are seeking a Lead Electrical Engineer to lead the development of advanced Energy Storage Systems (ESS) for residential and Commercial & Industrial (C&I) applications. This role requires deep expertise in power electronics, Li-ion battery systems, and system-level design, along with the ability to guide cross-functional teams from concept through production. The ideal candidate will serve as a technical leader and subject matter expert, driving innovation, reliability, and compliance across all stages of product development.

Requirements

Minimum of8years of experience managing or leading engineering teams
Proven experience with system-level development and multidisciplinary integration
Strong knowledge of communication protocols such asCANbus, RTU/TCP Modbus, and I2C
Hands-on experience with residential and C&I energy storage systems
Familiarity with UL standards and certification processes (UL 9540, UL 1973)
Strong analytical, troubleshooting, and problem-solving skills
Excellent written and verbal communication skills
Experience working with grid-tied and hybrid energy systems
Knowledge of quality management systems (ISO 9001, Six Sigma) and continuous improvement methodologies
Strong project management skills with the ability to prioritize tasks and manage resources effectively

Nice To Haves

Master’s degree in electrical engineering or a related field

Responsibilities

Design and review power electronics systems such as inverters, power converters, PV MPPT charge controllers, and bidirectional DC-DC converters
Define system architectures, power topologies, and keycomponentselections including magnetics, semiconductors, and passive components.
Develop single-line diagrams, wiring diagrams, schematics, and cable schedules
Establish grounding strategies, protection schemes, and isolation methods for high-power systems
Ensure compliance with UL, IEC, and IEEE standards relevant to power electronics and grid interconnection.
Participate in DFMEA,DVTand EVT/PVT activities for new product development.
Serve as Subject Matter Expert (SME) on energy storage systems, including residential and C&I ESS applications
Apply strong knowledge of Li-ion battery technologies and Battery Management Systems (BMS)
Evaluate and analyze energy storage technologies, products, and vendors, support vendorselectionand system implementation.
Develop or direct the creation of equipment specifications, procurement plans, and factory acceptance testing (FAT) for batteries, grid-tied inverters, battery enclosures, and related components
Ensure designs align with applicable safety and certification standards (UL 9540, UL 1973, and related frameworks)
Coordinate electrical design with mechanical layouts and enclosure constraints
Identifyand mitigate electrical risks, including fault current, protection coordination, and thermal performance
Guide technical decisions through data-driven analysis and engineering trade-off evaluations
Diagnose product issues and propose effective, scalable solutions
Collaborate closely with firmware, mechanical, manufacturing, and validation teams to ensure seamless product integration
Coordinate electrical designs with mechanical constraints and enclosure requirements
Support broader business functions including product strategy and customer engagement
Interface with clients, vendors, and external stakeholders as needed.
Support Design for Testability (DFT) and Design Verification Testing (DVT) initiatives early in the design phase.
Maintain and continuously improve the lab’s test infrastructure, including test benches, instrumentation, load banks, battery cyclers, and environmental chambers, ensure calibration, and support validation testing.
Develop production-ready electrical documentation to support manufacturing and system integration
Provide technical leadership, mentorship, and guidance to junior engineers
Lead and contribute to project planning, prioritization, and resource allocation
Support broader business functions including product strategy, roadmap development, and customer engagement
Regularly meetand correspond with clients and external partners
All other dutiesassigned.