Position Overview

The BESS Delivery & Service Engineer (Utility Scale) is responsible for the execution and lifecycle support of large-scale battery energy storage projects after the project is secured by the sales and presales teams.

The role manages the technical delivery, commissioning, and operational & maintenance support of utility-scale BESS projects, working closely with EPC contractors, grid operators, and project stakeholders.

Key Responsibilities

1. Project Handover from Sales / Presales

- Take over BESS projects from the sales and presales teams after contract signing. - Review technical proposals, system configurations, and service scope. - Confirm system design and project requirements with internal teams and customers including: System design, Grid requirements, Performance guarantees, Project schedules，etc - Ensure project milestones are achieved according to schedule and budget.

2. Project Commissioning Planning and Execution

- Manage the full lifecycle delivery of utility-scale BESS projects. - Coordinate with EPC contractors, integrators, and equipment suppliers. Guide EPC for the equipment unloading, installation etc. - Ensure compliance with technical specifications, grid requirements, and safety standards.

3. Commissioning & Grid Integration

- Develop and execute commissioning plans, procedures, and checklists for BESS projects. - Conduct commissioning for battery racks, BMS (Battery Management System), PCS (Power Conversion System), EMS (Energy Management System) and MV transformer. - Validate integration of electrical, control, and communication systems.



- Conduct grid compliance and performance verification tests - Work with grid operators and technical partners to complete system integration and SAT. - Work with technical support teams to resolve technical issues during commissioning. - Ensure successful handover to operations.

4. Operations & Maintenance Service Management

- Provide O&M; service after Commercial Operation Date (COD). - Carry out preventive and corrective maintenance on BESS/PCS/EMS - Perform remote operations to support maintenance and fault resolution - Conduct site inspections, diagnostics, and testing using specialist equipment - Ensure strict compliance with Health & Safety standards and HSE regulations in related countries - Supervise subcontractors and ensure quality and compliance of third-party works - Support commissioning, upgrades, and major repairs - Review technical documentation and contribute to maintenance procedures, RAMS, and method statements - Liaise with OEMs and suppliers on maintenance processes and technical clarifications - Support annual maintenance planning for BESS assets - Provide O&M; Training to customer O&M; team and subcontractor

Qualifications

- Degree in Electrical Engineering, Power Systems, Energy Engineering, or related field. - 2–5 years’ experience in utility-scale renewable energy or power infrastructure projects. - Necessary Certifications to work on site - Experience with large-scale BESS, solar + storage, or grid infrastructure preferred. - Strong understanding of Grid integration, Power systems, Energy management systems, High-voltage systems, HSE

Skills

- Strong technical knowledge of BESS, LV systems, inverters, EMS - Knowledge of grid compliance and power system integration - Ability to manage multiple technical stakeholders - Strong problem-solving ability - Willingness to travel to project sites

📌 BESS Delivery & Service Engineer – Utility Scale Projects (Roma)
🏢 LONGi Solar
📍 Roma