CATL
( Junior) Site Commissioning Engineer-UK
London
Posted about 21 hours ago
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Location:
UK, Italy, France, Romania, Bulgaria, Poland
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.
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Qualifications
- Bachelor's degree or above.
- Preferred majors include Electrical Engineering, Communication Engineering, Energy Engineering, Renewable Energy Technology, or related disciplines.
- 1-3 years (Engineer), 5 yrs+ (Manager) 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, including Europe and other international locations.
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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.
- Additional language skills such as German, Spanish, or French are an advantage.
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Skills
BESS Commissioning
Electrical Troubleshooting
Fire Suppression Systems
HVAC/TMS
DC Circuits
BMS Communication
PCS
EMS
Site Acceptance Testing
Grid Connection Testing
Electrical Schematics
CAN Protocol
Modbus RTU/TCP
English Proficiency
Mandarin Chinese Proficiency
EHS Compliance
Location