BESS/ESS Power System Design Engineer

Polarium is a Swedish company 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 and Vietnam. 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.

About the job

We are hiring a BESS/ESS Power System Design Engineer to join our System Design team. In this position you will be responsible for all activities from definition to verified solutions for BESS systems. Your focus will be on solution architecture for Battery Energy Storage Systems (BESS) including batteries, power converters and inverters and other power generation (ex. PV, Gen sets etc.) and the grid connection.

You will be a part of designing scalable modularized generic BESS system solutions, possible to fit multiple regions, customers, sites and applications. You will also define specific BESS solutions based on customer demand and business case, where there are needs for tailored solutions. The BESS Power System Design Engineer is expected to be overall responsible for both the requirements specification for BESS and Power elements to be used in the system solutions as well as the technical documentation. Within the role you will also coordinate and drive Certification for the BESS systems, together with the certification engineer. The position is based in Kista, Sweden.

Responsibilities:

- Pre-studies and concepts
- System level design specifications including architecture and interface descriptions
- Create requirements in our requirement data base based on the application, applicable standards, grid codes etc.
- Technical documentation; ex. SLD's, schematics, site layouts, technical descriptions, and manuals
- System test specifications for design validation, factory acceptance test and site acceptance test
- Hands-on building, testing and validation
- Certification plans and conformity files


Qualification and experience:

- Minimum of 4 years of experience from similar position
- Deep knowledge of grid connected equipment for power generation
- Experience of switch board designs and switchboard components
- Good knowledge of Li-batteries
- Experience using application specific software systems
- Relevant higher education, probably BSc


We see that you are:

- Highly driven and pro-active
- Good communication skills
- English-speaking skills, both spoken and in writing
- Willing to travel from time-to-time
- Enjoy working in a fast-phased company environment


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.