Senior Electrical Engineer (ESS)

Sunlight Group

Athens, Greece

We are seeking a Systems Engineer with an Electrical Engineering background to join our innovative ESS development team. This role focuses on the electrical design and architecture of Utility Scale and C&I ESS, including battery system peripherals, power protection units, and safety features. You will also collaborate on testing, prototyping, and developing new lithium battery products that meet stringent customer and company standards, offering significant growth potential.

Key activities and responsibilities of this role include

Conceptual design of ESS systems;
Requirements specifications (hardware, software, cell, electrothermal) for battery peripherals and battery management systems;
System verification and validation according to safety and ESS standards;
Test procedure creation and test report evaluation.

Requirements

4+ years, minimum, of industrial experience in a Research & Development environment, ideally on Li-ion battery systems development;
MSc Degree in Electrical or Electronics Engineering or relevant science will be considered a plus;
Knowledge of energy storage technologies and systems engineering approach;
Experience with standards interpretation and technical specifications preparation;
Knowledge of Li-ion cells, module design and BMS architectures;
Experience with integration of sub-systems and inverter with battery systems;
Experience with communication protocols (embedded systems, CANbus, Ethernet, Modbus);
Knowledge and familiarity of certification standards, IEC 62619, UL1973, UL9540A, UN38.3;
Fluency in English.

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