Energy Storage Systems Engineer

2 days ago


Stockholm, Stockholm, Sweden Compass Human Resources Group AS Full time

BOS Power is a leading company in the energy transition, driving innovation in battery energy storage solutions (BESS). We are expanding our Energy Storage Systems (ESS) team to further strengthen our market position in the Nordics. As a Technical Application Engineer, you will be instrumental in developing, maintaining, and optimizing turnkey ESS solutions, ensuring they meet the highest industry standards for efficiency, compliance, and performance.

Key Responsibilities
  • Technical Leadership: Maintain and update BOS Power's technical portfolio, ensuring seamless integration, design, and participation in commissioning of ESS solutions with the project team.
  • Engineering Expertise: Develop one-line diagrams, communication drawings, and IT infrastructure flowcharts to ensure compliance with industry standards.
  • Supplier & Partner Relations: Act as the technical link between BOS Power and mtu Rolls Royce Power Solutions, as well as selected 3rd-party suppliers.
  • Regulatory Compliance: Oversee grid application approvals, fire safety documentation, CE certifications, and compliance with NIS2 cybersecurity standards.
  • Project Execution: Participate in Factory Acceptance Tests (FAT) in China & Spain, as well as Site Acceptance Tests (SAT) in the Nordics, ensuring quality control from design to commissioning.
  • Strategic Pre-Sales Support: Provide deep technical expertise to the sales and pre-sales teams, helping customers transition to sustainable energy solutions.
What You'll Achieve
  • Elite Industry Position – Be part of a company partnered with Rolls-Royce and backed by one of the strongest financial groups in the Nordics.
  • Strategic & Hands-On Impact – Shape the future of energy storage with both technical design and on-site execution.
  • A Future-Proof Career – Work in an industry set for exponential growth, ensuring long-term professional security.
  • Cutting-Edge Innovation – Engage in next-generation energy storage technologies at the forefront of sustainability.
  • Exciting Workplace: Join a growing team in the Nordics, with a workplace either in Stockholm's new Gamla Stan office or the Danish Office in Glostrup, with hybrid flexibility.
  • International Exposure – Travel across Europe and Asia, collaborating with industry-leading partners, engineers, and clients.


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