ESS Delivery and Commissioning Engineer

CATL; München; Vor Ort; EUR 70.000 - 110.000; Vollzeit

Zusammenfassung

CATL is seeking ESS Delivery and Commissioning Engineers to transform energy storage system designs into safe, reliable operations. You will lead commissioning activities, troubleshoot complex hardware, and support PCS/EMS integration across large-scale BESS projects.

The role requires a Bachelor’s degree in Electrical/Energy fields, 1–3 years of related experience, CAN/Modbus knowledge, and fluent English with Mandarin proficiency. Travel to project sites worldwide is expected.

Qualifikationen

• Bachelor's degree or above in electrical/energy-related field.
• 1–3 years in electrical equipment commissioning or energy projects.
• Knowledge of BMS, PCS, EMS; CAN and Modbus RTU/TCP.
• Able to read electrical schematics and wiring diagrams.
• Fluent English; Mandarin proficiency required.

Aufgaben

• Participate in commissioning, delivery, and acceptance of large-scale BESS projects.
• Perform commissioning, troubleshooting, and defect resolution for battery containers/cabinets (FSS, HVAC/TMS, DC up to 1500V, AC 220/400V, BMS).
• Assist with PCS and EMS commissioning; understand operating principles.
• Support on-site issue analysis, fault diagnosis, and corrective actions with the project team.
• Participate in SAT, grid connection testing, and project acceptance activities.
• Support customer training on system operation and maintenance.
• Track commissioning issues to closure and ensure on-schedule delivery.
• Collaborate with R&D, Quality, After-Sales, and PM teams to resolve site issues.
• Comply with EHS requirements for safe commissioning activities.

Kenntnisse

Electrical engineering

Project coordination

English communication

Mandarin language

Willing to travel

Ausbildung

Bachelor's degree or higher in Electrical/Comm/Energy Engineering

Tools

CAN

Modbus RTU/TCP

MS Office

Jobbeschreibung

About the Company

CATL invites you to continue our legend of green energy! CATL is a World Fortune 300 Company, a global leader who provides premier EV battery and energy storage battery for the world. CATL's EV battery consumption volume has ranked No.1 in the world for eight consecutive years and global energy storage battery shipment has also ranked No.1 for four consecutive years .

About the Role

ESS Delivery and Comissioning Engineers play a pivotal role in transforming energy storage systems from blueprints into operational realities that function safely and reliably. Their responsibilities span the mid-to-late stages of project execution, centering on ensuring that systems are installed in accordance with design specifications and undergo systematic testing to achieve optimal performance and safety standards .

Responsibilities

• Participate in the commissioning, project delivery, and acceptance of large-scale Battery Energy Storage System (BESS) projects.
• Perform commissioning, troubleshooting, and defect resolution for battery containers/cabinets, including:Fire Suppression System (FSS),Liquid Cooling System (HVAC/TMS),DC Circuits (up to 1500V DC),Auxiliary AC Circuits (220V/400V AC),BMS Communication Systems
• Assist with the commissioning of PCS (Power Conversion System) and EMS (Energy Management System), with a basic understanding of their operating principles.
• Support on-site issue analysis, fault diagnosis, corrective actions, and issue closure together with the project team.
• Participate in Site Acceptance Testing (SAT), grid connection testing, and project acceptance activities.
• Support customer training on system operation, maintenance, and product usage.
• Track commissioning issues through to closure and ensure projects are delivered according to schedule.
• Collaborate with cross-functional teams (R&D, Quality, After-Sales Service, Project Management, etc.) to resolve site issues efficiently.
• Comply with EHS (Environment, Health & Safety) requirements and ensure safe execution of all commissioning activities.

Qualifications

• Bachelor's degree or above.
• Preferred majors include Electrical Engineering, Communication Engineering, Energy Engineering, Renewable Energy Technology, or related disciplines.
• 1-3 years of experience in electrical equipment commissioning, energy projects, or related industries.
• Familiarity with one or more of the following areas:Basic knowledge of primary and secondary electrical systems;
• Energy storage systems, photovoltaic (PV) systems, and power systems;
• Basic principles of BMS, PCS, and EMS;
• Industrial communication protocols such as CAN and Modbus RTU/TCP;Communication networks and fieldbus technologies.
• Ability to read and understand electrical schematics, wiring diagrams, and communication topology drawings.
• Knowledge of BESS grid-connection processes, substation equipment, and power plant delivery procedures is preferred.
• Proficient in Microsoft Office and other standard office software.
• Strong analytical, communication, coordination, and teamwork skills.
• Fluent in English for daily work and on-site communication; Mandarin Chinese proficiency is required.
• Willingness to travel extensively and undertake long-term assignments at project sites overseas.

Preferred Qualifications

• Experience in Battery Energy Storage Systems (BESS), photovoltaic (PV), or wind power projects.
• Low-voltage and/or high-voltage electrical certification, or equivalent electrical qualifications.
• Experience working on international projects or in a multicultural environment.