Senior System Integration Engineer

3 weeks ago


Solna Municipality, Sweden Polarium Full time

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 System Integration Engineer to join our System Integration and Verification team.
Your scope of responsibilities covers:

Activities to design, develop, and integrate BESS solutions, based on existing and new system building blocks.
Generate technical documentation.
Conduct system-level testing and collaborate with our software developers to optimize the BESS performance.
Analyze system data, propose improvements, and troubleshoot integration issues.
Provide technical guidance to field technicians, mentor junior engineers, and support sales teams in the pre-sales activities.

The position is based in Stockholm, Sweden.

Qualification and experience:

  • Bachelor's degree in Electrical Engineering, or a related field. Master's degree is a plus.
  • In-depth knowledge of battery technologies, energy storage systems, power electronics, and control systems.
  • Proven experience in system integration and commissioning of Battery Energy Storage Systems, preferably up to 10 megawatts.
  • Strong communication and interpersonal skills, with the ability to collaborate effectively with cross-functional teams and stakeholders.
  • Proficiency in system integration principles, including hardware interfaces, communication protocols (e.g., Modbus, DNP3), and SCADA systems.
  • Experience in programming and configuring control systems for energy storage applications (e.g., DCS, PLC or EMS)
  • Driver licence class B

We see that you are:

  • Strong passion for renewable energy, energy storage, and sustainable technologies.
  • Ability to lead and inspire a team, fostering a collaborative and innovative work environment.
  • Excellent organizational skills and attention to detail.
  • Ability to thrive in a fast-paced and dynamic work environment.
  • Excellent teamwork and interpersonal skills.
  • Continuous learning mindset and eagerness to stay updated with industry advancements.
  • English-speaking skills, both spoken and in writing

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



  • Solna, Sweden Polarium Full time

    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,...


  • Solna, Sweden Polarium Full time

    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,...


  • Solna Municipality, Sweden Vattenfall Full time

    Job DescriptionLooking to expand our Network Operations team, we are seeking a skilled Network Technical Integration Engineer. Join our international group based in Stockholm, Solna.Your Role as a Network Technical Integration EngineerPassion for the field is a must, thrive in a dynamic global setting where customer satisfaction and network efficiency are of...


  • Solna Municipality, Sweden Vattenfall Full time

    Job DescriptionLooking to expand our Network Operations team, we are seeking a skilled Network Technical Integration Engineer. Join our international group based in Stockholm, Solna.Your Role as a Network Technical Integration EngineerPassion for the field is a must, thrive in a dynamic global setting where customer satisfaction and network efficiency are of...


  • Solna Municipality, Sweden Vattenfall Full time

    Job DescriptionLooking to expand our Network Operations team, we are seeking a skilled Network Technical Integration Engineer. Join our international group based in Stockholm, Solna.Your Role as a Network Technical Integration EngineerPassion for the field is a must, thrive in a dynamic global setting where customer satisfaction and network efficiency are of...


  • Solna, Sweden Vattenfall Full time

    About the job For the Network Operations team we are nowlooking for an experienced and ambitious  Network Technical Integration Engineer  who’s aiming to become member of an international team active in five countries supporting the Vattenfall business units while being located in the Vattenfall headquarter in Stockholm, Solna. Your job as a...


  • Sundbyberg Municipality, Sweden Infor Inc. Full time

    We are looking for a senior software engineer / architect who has extensive experience in designing and developing cloud distributed systems, kubernetes , large scale microservice deployment and java. You will be part of a technology team that builds the multi-tenant core framework for our platform, which enables the delivery of various business...


  • Solna Municipality, Sweden Qlik Full time

    DescriptionWhat makes us Qlik? A Gartner Magic Quadrant Leader for 13 years in a row, Qlik transforms complex data landscapes into actionable insights, driving strategic business outcomes. Serving over 40,000 global customers, our portfolio leverages pervasive data quality and advanced AI/ML capabilities that lead to better decisions, faster. We excel in...


  • Solna Municipality, Sweden Orange Business Services Full time

    The team, position & mission:Cybersecurity manages the operation of security services in the portfolio. They handle the implementation and operations for all customers, including internal use, and are the company's security incident response team.We are seeking a detail-oriented problem-solver with a strong interest in security to join our 11-person team. If...


  • Solna Municipality, Sweden DXC Technology Full time

    Job Description:You will work from one of the 4 business locations: Linköping, Stockholm, Gothenburg, or Malmö.DXC Technology is the global leader in independent, end-to-end IT services, helping clients leverage innovation to thrive amidst change. Formed from the merger of CSC and the Enterprise Services division of Hewlett Packard Enterprise, DXC...


  • Solna Municipality, Sweden DXC Technology Full time

    Job Description:You will work from one of the 4 business locations: Linköping, Stockholm, Gothenburg, or Malmö.DXC Technology is the global leader in independent, end-to-end IT services, helping clients leverage innovation to thrive amidst change. Formed from the merger of CSC and the Enterprise Services division of Hewlett Packard Enterprise, DXC...


  • Solna Municipality, Sweden Qlik Full time

    Description What makes us Qlik? A Gartner Magic Quadrant Leader for 13 years in a row, Qlik transforms complex data landscapes into actionable insights, driving strategic business outcomes. Serving over 40,000 global customers, our portfolio leverages pervasive data quality and advanced AI/ML capabilities that lead to better decisions, faster. We...


  • Solna, Sweden Vattenfall Full time

    About the job Current challenges you can expect from us Your main responsibilities will be to assist and support the Engineering organization with operational control of the WTG’s both Electrical and Mechanical. Additionally, build up knowledge on these topics, create and deploy best practices for the industry. In this context, continuous...


  • Ljungby Municipality, Sweden Kalmar Full time

    About Kalmar Kalmar keeps global trade moving. Our innovative solutions contribute to every fourth container movement in the world and help transform the future of cargo handling. We believe in collaboration, delivering on our promises, and that people make the difference. Position: Systems Engineering Lead Are you ready to take the lead in driving Systems...


  • Ljungby Municipality, Sweden Kalmar Full time

    Kalmar keeps global trade moving. Our innovative solutions contribute to every fourth container movement in the world and help transform the future of cargo handling. We believe in collaboration, delivering on our promises and that people make the difference. Making your next move count Are you ready to take the lead in driving Systems Engineering...


  • Solna Municipality, Sweden DXC Technology Full time

    Job Description:You will work from one of the 4 business locations: Linköping, Stockholm, Gothenburg, or Malmö.DXC Technology is a leading independent IT services company, helping clients embrace innovation and thrive on change. Resulting from the merger of CSC and the Enterprise Services division of Hewlett Packard Enterprise, DXC Technology serves a...


  • Solna Municipality, Sweden DXC Technology Full time

    Job Description:You will work from one of the 4 business locations: Linköping, Stockholm, Gothenburg, or Malmö.DXC Technology is a leading independent IT services company, helping clients embrace innovation and thrive on change. Resulting from the merger of CSC and the Enterprise Services division of Hewlett Packard Enterprise, DXC Technology serves a...


  • Solna Municipality, Sweden DXC Technology Full time

    Job Description:You will work from one of the 4 business locations: Linköping, Stockholm, Gothenburg, or Malmö.DXC Technology is a leading independent IT services company, helping clients embrace innovation and thrive on change. Resulting from the merger of CSC and the Enterprise Services division of Hewlett Packard Enterprise, DXC Technology serves a...


  • Solna, Sweden Orange Business Services Full time

    The team, position & mission: Cybersecurity has full responsibility for the operation of security services in the security services portfolio. The department manages the implementation and operates the security services for all customers including internal use of the security services. Cybersecurity is also the company’s security incident response...


  • Solna, Sweden Orange Business Services Full time

    The team, position & mission: Cybersecurity has full responsibility for the operation of security services in the security services portfolio. The department manages the implementation and operates the security services for all customers including internal use of the security services. Cybersecurity is also the company’s security incident response...