Senior ESS Electrical/Systems Engineer Kifissia, Attikí, Greece R&D Lithium

Sunlight Group Energy Storage Systems is a world-leading technology company and provider of innovative industrial and off-road energy storage solutions, with 30+ years of experience. We specialize in the development and production of lead-acid and lithium-ion batteries for industrial mobility, leisure mobility, and ESS applications. These products are manufactured and assembled in Sunlight’s state-of-the-art facilities in Greece, Italy, Germany, Israel, and USA, and distributed to more than 115 countries.

Driven by our commitment to inspire our people and unlock their potential, and steadfast in our commitment to Diversity, Equality & Inclusion, we have created an agile and innovative environment that promotes open communication and collaboration, while offering continuous learning and development opportunities to the 3,100+ people we employ across the organization.

We are currently looking for an ingenious ESS Systems Engineer with Electrical engineering background for our ESS development team. You will have the exciting opportunity of working in a group that develops innovative products for Utility Scale ESS and C&I ESS. The role revolves around the electrical design, architecture of the system, definition and sizing of peripherals of battery system, design and requirement specification of power protection units and module to provide a reliable and safe system. Moreover, the role also requires developing test methods, designing and executing experiments in collaboration with the testing team, and prototyping new innovations to improve existing or delivering new lithium battery products that meet customer requirements and company high standards. This role will provide the right candidate with excellent growth potential.

Key activities and responsibilities of this role include:

• Conceptual design of battery systems used in ESS applications.
• 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.

• Job seniority levels of experience up to 4 years & up to 10 years 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.
• 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.

What we offer you

To start with, we give you the opportunity to thrive in a restless team and grow your potential in an innovative environment. As per your compensation and rewards package, this is a preview:

• Competitive salary package and bonus scheme
• ️ Health and life insurance for you and your family
• Employee wellness program & initiatives
• Continuous training opportunities
• Clear career paths & a developmental 360° feedback framework
• ️ International mobility opportunities