Athens, Greece

SUNLIGHT Group Energy Storage Systems (SUNLIGHT Group) is a world-leading technology company and provider of integrated and innovative energy storage solutions. Its expertise lies in the development, production and distribution of lead-acid and lithium-ion batteries and energy storage systems for industrial, off-road, commercial, and advanced applications. A rapidly growing global business with European roots, SUNLIGHT exports to more than 100 countries and operates state-of-the-art facilities and production plants in Greece, Italy, and the USA. SUNLIGHT Group’s global growth and reach is supported by an extensive partner export network around the world.

An industry leader, SUNLIGHT has over 30 years of knowledge and experience in the energy sector. Its clear vision and forward-facing strategy are driven and underpinned by a commitment to technological innovation and passion for excellence that supports sustainability and transition to a carbon-free future. SUNLIGHT Group is applying its extensive understanding of battery technologies to develop sustainable and cutting-edge solutions for lead-acid and lithium-ion power energy storage. The company aims to develop specialized innovations in the battery value chain and environment-friendly storage solutions that render sustainable energy more accessible and reliable.
Building on 12 years of industry-leading research, SUNLIGHT is greatly investing in the Research and Development (R&D) of lithium-based applications for Automated Guided Vehicles (AGVs), logistics, public transport, shipping, and smart storage systems for renewable energy sources, as well as smart Battery Management and Monitoring Systems (BMS). The company’s dedicated lithium R&D centre has developed and launched revolutionary series of smart lithium-ion batteries for various applications. These include the SUNLIGHT Li.ON FORCE motive power range, designed specifically to meet increasing industrial demands for high-performance batteries – especially from the Material Handling and Logistics sectors; SUNLIGHT ElectroLiFe for semi-traction applications; as well as SUNLIGHT LiON.ESS, energy storage system for reserve applications. And SUNLIGHT Group’s R&D team is in the process of developing even more lithium-ion products, to address market needs.
The company is dedicated to the principles of business continuity and is one of few industrial battery manufacturers applying the circular economy model through its innovative approach to battery recycling. Recognizing the significant economic opportunities and environmental targets that the circular economy offers to businesses, SUNLIGHT Group owns and operates one of Europe’s most advanced lead-acid battery recycling plants, which supplies over 50% of the company’s production needs in raw lead material.

SUNLIGHT Group is a technology-agnostic company, combining Big Data and data-driven insights, and cutting-edge technological tools, such as Machine Learning, Artificial Intelligence and Customer Personalization, to create innovative and sustainable products. In addition, SUNLIGHT is further enhancing its operational efficiency by adopting Industry 4.0 principles and applications, implementing extensive digitalization processes, and combining high quality product delivery with exemplary business practices and standards.

SUNLIGHT is a member of the Olympia Group, an international diversified investment group with presence in 10 countries.

Internship possibilities

Current number of active applications
  • November 2022
  • December 2022
  • 2 months
  • 3 months
Internship location
Sunlight HQ in Athens orSunlight Plant in Xanthi
  • Accommodation
  • Meals
  • Transport
Field work
Laboratory work
Required equipment
Required education
  • chemistry
  • environmental engineering
  • metallurgy
  • mechanical engineering
  • waste management
Education (other)
Chemical Engineering
Required skills and competences
Knowledge of relevant manufacturing processes and a variety of engineering materials
Experience with environmental, reliability, and safety requirements is a plus
Knowledge of lithium-ion battery technology and electrochemistry a plus
Excellent communication skills, both verbal and written
Aptitude to learn and incorporate new technologies
Position will offer unique and complex engineering challenges that require persistence, innovative thinking and a positive attitude
Hands-on experience, previous internship and/or project experience is preferred
Must be able to work in a fast paced and international environment,
Proven ability to operate under pressure while managing multiple priorities simultaneously
The intern will work under the guidance of Engineers to execute project tasks relating to manufacturing cells and recycling needs. Additionally, you will work collaboratively with cross-functional partners and external vendors and suppliers. This could include (but is not limited to) the following:
Lead process development and improvement plans
Participate in equipment validation
Perform identification, root cause analysis, and resolution of product manufacturing issues
Resolve issues and concerns with cross functional teams including engineering, supply chain, manufacturing, and/or service.
Manage small projects from start to finish.
Currently working towards a BS or MS in chemical engineering, mechanical engineering, manufacturing engineering, materials science, metallurgy or equivalent as stated in the preferred background section
Ioanna Kalaitzidou, Senior Cell Engineer
About supervisors
Chemical Engineer with a PhD in Electrochemistry. 10 years of experience in laboratory, semi-pilot and pilot operations.
Joined Sunlight in 2021 working on Li-ion cell development and recycling.

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