BESS Delivery & Service Engineer – Utility Scale Projects
Pubblicato il 16-10-2026 - LONGi Solar in Italia
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.
- 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
- 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
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