Commissioning Engineer

ESS Delivery and Commissioning Engineer

Location: London UK with substantial national travel

Work Schedule: Monday – Friday

About the Role

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

Key Responsibilities

• Participate in the commissioning, project delivery, and acceptance of large-scale battery energy storage system projects.
• Perform commissioning, troubleshooting, and defect resolution for battery containers/cabinets, including:
• DC circuits (up to 1500V DC)
• Auxiliary AC circuits (220V/400V AC)
• Battery management system (BMS) communication systems
• Assist with the commissioning of power conversion systems and energy management systems, 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, 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 (including R&D, quality, after-sales service, and project management) to resolve site issues efficiently.
• Comply with environment, health and safety requirements and ensure safe execution of all commissioning activities.

Requirements

• 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 systems, and power systems
• Basic principles of BMS, power conversion systems, and energy management systems
• 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 grid-connection processes for energy storage, 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, photovoltaic, 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.

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