Thermal Simulation Engineer

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 Thermal Simulation Engineer for our electro-thermal team within the research & development group. The role will revolve around the thermal design and simulation of a variety of energy storage systems.

As a Thermal Simulation Engineer, your studies will be scaled from a fundamental cell level, up to a cluster of interconnected battery modules comprising a larger energy storage unit for industrial and residential applications. Additionally, the role will focus on developing test methods, designing and executing experiments, and creating electro-mechanical innovations to improve existing or develop new products that meet customer requirements and company high standards. This role will provide the right candidate with excellent growth potential within an environment of experts.

Key activities and responsibilities of this role include:

• Model components of battery systems in 3D CAD tools and assemble them in space, as expected to be encountered in the final product
• Thermally evaluate components and systems in FEM/CFD environment to ensure proper thermal behavior
• Design cooling arrangements (natural air convection, forced air, or liquid cooling)
• Investigate the closed-loop interaction between the electrical and thermal properties of the battery systems in steady-state and time-varying scenarios
• Build optimization algorithms for the design of battery systems to achieve desired performance targets
• Design, supervise and/or implement thermal tests in close collaboration with the Testing team of Sunlight
• Clear and proper documentation of completed tasks
• Collaborate in a team environment across multiple engineering disciplines

• MSc. (Diploma) in Mechanical / Electrical Engineering
• At least 3 years of experience in relevant positions will be an asset
• Thermal analysis of industrial systems
• Air cooling and water cooling
• 3D CAD modelling in SolidWorks or equivalent tools
• Familiar with ANSYS Fluent / ANSYS Icepak / ABAQUS or COMSOL
• MATLAB / Simulink / Python
• Fluency both in Greek and 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