Position Overview

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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 succ

📌 BESS Delivery (Madrid)
🏢 Longi Solar
📍 Madrid