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Polarium Solna Full time

Senior Hardware & Electronical Engineer

About the job

Energize your career.

We believe an inclusive work environment is what will boost our employees’ success. An open mindset is what charges our innovation and creativity. We believe that there’s always one more thing to learn, one new thing to invent, and one more product to develop to make energy systems around the world greener and more efficient. Come join our team and get the opportunity to engineer the future!


About the job

We are hiring a Senior Hardware & Electronical Engineer to our skilled R&D department. To build our renewable power solutions we need an expert within hardware design with focus on power converters, switches, BMS power electronics and power distributions. The role also includes participating in pre-studies of new applications and new technologies as well as supporting both internal and external stakeholders with technical expertise. The position is to be based at the Polarium headquarter in Stockholm


  • HW design in AC/DC, DC/DC, and DC/AC converters
  • Design power converters in ranges 30V-1kV, 100W-500kW
  • Design high-power solid-state switches
  • Develop team tools and methods together with the team
  • Participate in process improvements and way of working
  • Design modularized design blocks with re-use capabilities
  • Act as mentor and technical lead for power designs

We see that you are:

We are looking for a highly driven and pro-active person with a passion for hardware engineering, who constantly seeks new knowledge within the area.

You have relevant experience from similar positions, and you have a good understanding of agile development as well as enjoy working in a fast-growing company environment.

Qualifications and experience:

  • Track record in power electronics, switching, conversion and other related areas
  • Preferably experience in batteries
  • Experience using application specific software
  • English-speaking skills, both spoken and in writing
  • Speak and understand Swedish
  • Relevant higher education
  • Swedish work permit

What’s in it for you?

We offer a challenging position in an open, friendly international environment where we help each other to develop and create value. Your work will have a true impact on Polarium’s future success. We also offer a competitive bonus system and a high wellness contribution.

About Polarium

Polarium is dedicated to providing the best performing, safe and sustainable energy storage solutions built on lithium-ion technology. Polarium’s headquarters and R&D center are situated in Sweden and the manufacturing in Mexico, Vietnam and South Africa. Through its global sales channels and representation in the US, South Africa, Sweden, UK, New Zealand and Indonesia, Polarium serves customers worldwide. Today, our market-leading solutions are in use on all continents and in all climate zones – from the Equator to the Arctic.

Om företaget
Building a Sustainable Future Together

We are a Swedish company dedicated to providing the best-performing, safe, and sustainable energy storage solutions built on lithium-ion technology. Today, our market-leading solutions are in use on all continents and in all climate zones. We ensure that the flow of energy never stops, while enabling our customers to reduce their energy costs and carbon footprint. 

Do you share our vision for a smart and sustainable future? Join our team!

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