Full-time | Italy, Spain | Technical Europe
Position Summary
The Technical Service Engineer BESS is responsible for the on-site installation support, commissioning, grid connection, and after-sales technical service of Battery Energy Storage System (BESS) projects across South Europe.
The role acts as the primary on-site technical representative, ensuring safe, timely, and high-quality project delivery from installation through commissioning, acceptance, and post-installation support. The Technical Service Engineer collaborates closely with customers, EPCs, subcontractors, and internal technical teams to resolve technical issues, ensure compliance with local grid and safety requirements, and deliver an excellent customer experience throughout the project lifecycle.
Reporting Line
Reports to: Team Lead Technical Services BESS
Major Responsibilities
Site Delivery & Commissioning
- Provide on-site technical support during installation, commissioning, testing, and handover of Battery Energy Storage System (BESS) projects.
- Supervise installation activities and verify compliance with technical specifications, quality standards, and safety requirements.
- Perform system commissioning, functional testing, and grid connection activities to ensure successful project energization.
- Resolve on-site technical issues related to electrical installation, system integration, and grid compliance.
- Support project acceptance, punch-list resolution, and final technical handover to customers.
- Respond promptly to customer technical enquiries via remote or on-site support and ensure timely issue resolution.
- Troubleshoot hardware, software, communication, and system performance issues, escalating complex cases where appropriate.
- Manage after-sales service activities through the service management system, ensuring accurate documentation and timely closure of work orders.
- Coordinate with engineering, product, and technical support teams to resolve technical issues efficiently.
- Coordinate with Sales teams to ensure effective customer communication and high customer satisfaction.
- Deliver customer training on system operation, routine maintenance, and safety procedures.
- Build positive customer relationships through professional technical support and effective communication.
- Handle customer complaints professionally and coordinate appropriate corrective actions to maintain customer satisfaction.
- Collect and communicate customer feedback, technical issues, and field observations to support product improvements.
- Maintain technical knowledge of BESS products, system architecture, and commissioning procedures.
- Support spare parts inventory management and ensure service tools are properly maintained.
- Response time to customer service requests
- Mean Time to Repair (MTTR)
- First-time fix / first-visit resolution rate
- On-time commissioning and project handover
- Technical quality of commissioning and documentation
- Customer satisfaction with field service support
- Compliance with EHS and site safety requirements
- Accuracy and timeliness of service documentation