We develop and manufacture turnkey energy storage solutions, based on lithium-ion battery technology. Our goal is to engineer technology that both stores and optimizes energy as we shift towards more efficient energy usage and renewable energy sources on a global scale. You’ll have the opportunity to work with exceptional engineers, scientists, developers and more to pave the way for the next big leap in the energy industry through our battery energy storage and optimization systems. About the job We are hiring a Senior Hardware & Electronics 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. Responsibility: - 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 ways 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: - Proven track record in power electronics, switching and power conversion. - Preferably experience in batteries. - Experience from using application specific software. - English-speaking skills, both spoken and in writing. - Speak and understand Swedish. - Relevant higher education. - Swedish work permit. We offer - Bonus system - Maximized wellness contribution - Five extra flexibility days - Pension and health insurance Kindly submit your application through the provided apply button in the advertisement on our careers page, as we are unable to accept any applications via email in compliance with the GDPR regulations. At Polarium, creating change in the energy industry starts with our team. We believe a diverse workplace brings creativity, innovation and better represents our customers, and the many communities they serve, around the world. A positive work-life balance is what supercharges our teamwork and a sustainable personal journey throughout our careers. Since Polarium launched in 2015, we’ve been on a mission to redesign the energy industry. We’re unlocking the massive potential of energy storage systems through our wide range of intelligent and digital services. Our passion for solving challenges is what drives our next generation of premium energy storage products in use on all continents and in all climate zones. Today, we power businesses, optimize energy usage, and reduce carbon dioxide emissions to create a cleaner future in energy. We look forward to receiving your application!

We develop and manufacture turnkey energy storage solutions, based on lithium-ion battery technology. Our goal is to engineer technology that both stores and optimizes energy as we shift towards more efficient energy usage and renewable energy sources on a global scale. You’ll have the opportunity to work with exceptional engineers, scientists, developers and more to pave the way for the next big leap in the energy industry through our battery energy storage and optimization systems. Location: Polarium HQ in Stockholm and Solna Position: Permanent, full-time Responsibilities: - System engineer for Energy Systems - Batteries, 48-1500 VDC - Power conversion, PCS and Inverters - Controllers - Site system solution and products - National requirements such as Grid compliance - As System Engineer your responsibility includes - Risk assessment - Product requirements - Test requirements - System descriptions - Certification strategy and documentation - Interfaces - Sales support Qualifications and experience: - Minimum 5 years of documented experience in the following areas: - Development or management of hardware with a focus on energy storage and energy optimization systems. - In-depth knowledge of functional and test requirements specific to energy optimization technologies. - Familiarity with switchgear and power conversion, including adherence to grid code standards and regulations. - Battery technology, including relevant standards and regulations. - Good communication skills and Convenient to manage external contacts. - Highly driven, pro-active and enjoy fast growing corporate environment. - Ability to comprehend and effectively express complex ideas in English. - Willing to travel from time-to-time. Join our team and enjoy our comprehensive benefits package, which includes private health insurance, a generous wellness allowance, a flexible parental leave policy, and the opportunity for hybrid working. We believe in inclusivity and want to ensure that our employees have access to benefits that support their well-being and work-life balance. Kindly submit your application through the provided link in the advertisement via our careers page, as we are unable to accept any applications via email in compliance with the GDPR regulations. About Polarium At Polarium, creating change in the energy industry starts with our team. We believe a diverse workplace brings creativity, innovation and better represents our customers, and the many communities they serve, around the world. A positive work-life balance is what supercharges our teamwork and a sustainable personal journey throughout our careers. Since Polarium launched in 2015, we’ve been on a mission to redesign the energy industry. We’re unlocking the massive potential of energy storage systems through our wide range of intelligent and digital services. Our passion for solving challenges is what drives our next generation of premium energy storage products in use on all continents and in all climate zones. Today, we power businesses, optimize energy usage, and reduce carbon dioxide emissions to create a cleaner future in energy. We look forward to receiving your application!

We develop and manufacture turnkey energy storage solutions, based on lithium-ion battery technology. Our goal is to engineer technology that both stores and optimizes energy, as we shift towards more efficient energy usage and renewable energy sources on a global scale. You’ll have the opportunity to work with exceptional engineers, scientists, developers and more, to pave the way for the next big leap in the energy industry through our battery energy storage and optimization systems. This is a permenant full-time position with a placement in Stockholm and you will report to the Head of EO Deliveries. Start date after agreement but as soon as possible. Tasks and Responsibilities: - Leading projects deploying Polarium Energy Systems at customer premises. - Project management of multiple parallel customer projects from site engineering through to operations handover. - Ensure deployment projects are delivered according to all relevant safety and quality standards within the agreed schedule. - Planning and coordination of field services, logistics and acceptance activities. - Scope of works, RACI, schedule & MOPs development and maintenance. - Regular project delivery status reporting including plan vs. actual. - Capacity planning and risk management procedures in establishing actions to meet projects delivery schedules. - Ability to travel on a regular basis. The first couple of months, travelling will be ~50% of the time, learning the installation and commissioning of the system. Qualifications and Experience: - B.Sc or M.Sc in, Energy Systems, Electrical Engineering, Electric Power or equivalent. - 5+ years’ experience in Project management & coordinator with experience from Power generation from for ex Wind, Solar, BESS, Data center deployments or similar volume services project environments. - Demonstrated experience in schedule development and management - Demonstrated experience in developing budgets and maintaining forecasts - Excellent communication skills (Swedish and English), both oral and written We offer: - Bonus system - Maximized wellness contribution - Five extra flexibility days per year - Pension and health insurance Kindly submit your application through the provided apply button in the advertisement on our careers page, as we are unable to accept any applications via email in compliance with the GDPR regulations. At Polarium, creating change in the energy industry starts with our team. We believe a diverse workplace brings creativity, innovation and better represents our customers, and the many communities they serve, around the world. A positive work-life balance is what supercharges our teamwork and a sustainable personal journey throughout our careers. Since Polarium launched in 2015, we’ve been on a mission to redesign the energy industry. We’re unlocking the massive potential of energy storage systems through our wide range of intelligent and digital services. Our passion for solving challenges is what drives our next generation of premium energy storage products in use on all continents and in all climate zones. Today, we power businesses, optimize energy usage, and reduce carbon dioxide emissions to create a cleaner future in energy. - Generous bonus system - Maximized wellness contribution - Five extra flexibility days per year - Pension and health insurance We look forward to receiving your application.