Technical Service Engineer – Salerno

Location: Montalto di Castro - Salary: EUR 30,000 - 50,000 - Reports to: Technical Support Manager

Overview of the Position

LONGi Storage is a fast‑growing company specializing in advanced energy storage solutions. We are seeking a skilled and motivated field service engineer to join our after‑sales team, focusing on the operation, maintenance, and troubleshooting of utility‑scale Battery Energy Storage Systems (BESS). This role is ideal for a hands‑on technical professional who enjoys working onsite, solving complex problems and ensuring the highest levels of system reliability and customer satisfaction.

Key Responsibilities

- Provide on‑site commissioning and O&M; services for utility‑scale BESS installations.
- Perform functional and acceptance testing with customers.
- Diagnose and resolve technical issues within battery packs, power conversion systems and related components.




- Conduct preventive and corrective maintenance to ensure optimal system performance.
- Act as the primary technical contact for customers after project handover.
- Provide training and guidance to customers’ operations teams.
- Ensure timely, professional communication and customer satisfaction during service interactions.
- Prepare detailed service reports including fault analysis, troubleshooting, repair description and technical recommendations.
- Provide feedback to the engineering and R&D; teams regarding recurring issues and potential product improvements.
- Support warranty management and escalation processes.
- Work closely with project delivery, engineering and sales teams to ensure smooth handover from project completion to service phase.
- Coordinate with suppliers and partners for replacement parts and technical solutions.

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📌 Technical Service Engineer - €30.000 - €50.000 A Year (Caserta)
🏢 LONGi Storage
📍 Caserta