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Wattsfuture Sweden AB

Technical Support Engineer- EV charging & Battery Storage

Jönköping · Location-based · Added today

SalarySalary not disclosed
EmploymentFull-time · 100%
Apply by18 December 2026

The role combines pre-sales technical support, solution design, customer training, commissioning, and after-sales support. You will work closely with customers, sales teams, R&D,…

About the role

The role combines pre-sales technical support, solution design, customer training, commissioning, and after-sales support. You will work closely with customers, sales teams, R&D, production, installers, and other partners throughout the project lifecycle. Key Responsibilities · Provide pre-sales technical consultation and solution design for EV charging, BESS, and PV projects. · Prepare technical solutions based on customer requirements and site conditions, including: o System sizing and architecture o Product selection and configuration o EV charger, BESS, and PV integration o Economic analysis to identify cost-effective system configurations · Support the sales team with technical clarification, project discussions, and the preparation of technical proposals. · Conduct customer training, product demonstrations, and technical presentations independently. · Perform or support on-site commissioning, testing, troubleshooting, and configuration of EV chargers and BESS systems. · Provide after-sales technical support, including fault analysis, troubleshooting, and coordination with customers, installers, and internal engineering teams. · Work closely with R&D and product teams to communicate field feedback and support technical issue resolution and product improvement. · Travel mainly within Sweden, with occasional travel to other Nordic and European markets as required for commissioning, troubleshooting, training, customer visits, and other technical support activities. Qualifications · Bachelor’s or Master’s degree in Electrical Engineering, Energy Engineering, Power Engineering, Automation, or another relevant technical field. · Good understanding of industrial low-voltage (LV) electrical systems, particularly 400 V three-phase systems commonly used in commercial and industrial applications. · Familiarity with electrical components and equipment such as power cables, circuit breakers, protection devices, energy meters, current transformers (CTs), controllers, switches, relays, and electrical distribution equipment. · Ability to understand basic cable sizing, electrical connections, power distribution, protection concepts, and equipment interfaces. · Ability to read and interpret single-line diagrams, wiring diagrams, electrical schematics, technical documentation, and system diagrams. · Comfortable working hands-on with electrical and control equipment during testing, commissioning, and troubleshooting activities. · Able to independently perform basic system checks, equipment configuration, commissioning preparation, and fault diagnosis within the scope of the role. · Strong interest in renewable energy, energy storage, EV charging, smart energy management, and electrification technologies. · Good communication, analytical, and problem-solving skills. · Ability to work independently while collaborating effectively with sales teams, engineers, customers, installers, and other partners. · Proficiency in English is required. Preferred Qualifications The following qualifications are considered strong advantages: · Previous experience in EV charging infrastructure, BESS, power systems, renewable energy, PV, EMS, or related technologies. · Experience working with 400 V LV distribution systems, switchboards, electrical cabinets, meters, controllers, and related field equipment. · Experience with commissioning, troubleshooting, testing, or technical support of electrical or power electronic equipment. · Practical understanding of power cables, cable selection, CTs, energy meters, protection devices, and electrical measurement equipment. · Experience using common electrical measurement and diagnostic tools during commissioning and troubleshooting. · Knowledge of communication protocols and interfaces such as Modbus TCP/RTU, OCPP, Ethernet, RS485, or similar industrial communication systems. · Basic understanding of industrial networking, IP configuration, and communication between chargers, BESS, meters, controllers, and EMS systems is an advantage. · Swedish or European electrical qualification/certificate, or relevant practical experience in electrical installation and commissioning. Personal Profile We are looking for someone who is: · Technically curious and willing to continuously learn new products and technologies. · Genuinely interested in the rapidly developing EV charging, energy storage, and renewable energy industries. · Customer-oriented and comfortable communicating technical topics with different stakeholders. · Hands-on and willing to participate in field testing, troubleshooting, and commissioning. · Structured, responsible, and capable of managing multiple technical tasks or projects in parallel. · Flexible and comfortable working in a dynamic and fast-growing technical environment.

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