Bess Delivery & Service Engineer - Utility Scale Projects

Longi Solar; León; Presencial; EUR 60.000 - 76.000; Jornada completa

Descripción de la vacante

Longi Solar seeks a BESS Delivery & Service Engineer to lead delivery and lifecycle support for utility-scale battery storage projects in Spain. You will coordinate with EPCs, grid operators, and stakeholders to finalize design, schedule, and performance guarantees.

The role covers project handover from Sales, commissioning planning and execution, and ongoing O&M management, ensuring safety, grid compliance, and quality across sites.

Formación

• 2–5 years of 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, EMS.
• Knowledge of grid compliance and power system integration.
• Willingness to travel to project sites.

Responsabilidades

• Project handover from Sales/Presales after contract signing; review proposals and confirm system design.
• Plan and execute full lifecycle delivery, commissioning, and grid integration.
• Provide O&M service after COD, preventive and corrective maintenance, remote operations, and site inspections.

Conocimientos

Grid integration

Power systems

BESS

EMS/PCS/BMS knowledge

Site safety

O&M planning

Educación

Electrical Engineering degree

Descripción del empleo

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.

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.

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. 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.

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.

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
• ~ Strong technical knowledge of BESS, LV systems, inverters, EMS
• ~ Knowledge of grid compliance and power system integration
• ~ Willingness to travel to project sites